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Hydraulic Fracturing

Benzyl Chloride compound

CAS#: 100-44-7
Chemical Name: Benzyl Chloride

Chemical Synonyms: a-chlorotoluene; chloromethylbenzene; tolyl chloride (ChemIDplus 2014)

Primary Applications: Hydraulic Fracturing, Plasticizers, Processing Aids and Additives
Hydraulic fracturing fluid additive; Benzyl chloride is a clear, colorless liquid that is used primarily as a chemical intermediate in the manufacture of dyes, plasticizers, lubricants, gasoline additives, pharmaceuticals, tanning agents, and quaternary ammonium compounds. Also used as an irritant gas in chemical warfare (HSDB 2005) and in the manufacture of photographic developer (HSDB 2005)

Methenamine compound

CAS#: 100-97-0
Chemical Name: Methenamine

Chemical Synonyms: Hexamethylene tetramine; Hexamethyleneamine; 1,3,5,7-Tetraazatricyclo(3.3.1.13,7)decane; Hexamethylenetetramine

Primary Applications: Biocides or Fungicides, Hydraulic Fracturing
Methenamine is a chemical that is used in production of rubber and resins, as fuel in camping stoves, preservative in cosmetics and food, corrosion inhibitor in the steel industry, stabilizer and developer in the photo industry, fungicide for citrus trees, and antiseptic.

3-Phenylprop-2-enal compound

CAS#: 104-55-2
Chemical Name: 3-Phenylprop-2-enal

Chemical Synonyms: Cinnamaldehyde; 2-Propenal, 3-phenyl-; Cinnamal; 3-Phenyl-2-propenal; Cinnamic aldehyde; 3-Phenyl-2-propen-1-al; 3-Phenyl-2-propenaldehyde; 3-Phenylacrolein; 3-Phenyl acrylaldehyde; 3-Phenylpropenal; Benzylideneacetaldehyde; beta-Phenylcrolein (ChemIDplus 2014)

Primary Applications: Biocides or Fungicides, Hydraulic Fracturing
3-Phenylprop-2-enal is a chemical that is used as a flavor and fragrance agent, fungicide, animal repellant, brightener in electroplating processes, corrosion inhibitor, and polymerization inhibitor.

2-Ethyl-1-Hexanol compound

CAS#: 104-76-7
Chemical Name: 2-Ethyl-1-Hexanol

Primary Applications: Hydraulic Fracturing, Plasticizers, Solvents
2-Ethyl-1-hexanol is an alcohol that is a colorless liquid at room temperature with a slighty floral odor. 2-Ethyl-1-hexanol is used as a solvent for dyes, oils and resins as well as a plasticizer for PVC resins and a wetting agent. It can be manufactured by the hydrogenation of 2-ethyl-1-hexenal (HSDB 2003).

Propargyl Alcohol compound

CAS#: 107-19-7
Chemical Name: Propargyl Alcohol

Chemical Synonyms: 2-Propyn-1-ol

Primary Applications: Hydraulic Fracturing, Processing Aids and Additives, Solvents
Hydraulic fracturing fluid additive;
1. Propargyl alcohol is used as a reactant/chemical intermediate for pharmaceutical and agricultural chemicals, soil fumigant, corrosion inhibitor, solvent stabilizer, and polymer modifier. It has also been used to prevent the hydrogen embrittlement of steel (NTP, 2008).
2. Fracking fluids

Ethylene glycol compound

CAS#: 107-21-1
Chemical Name: Ethylene glycol

Chemical Synonyms: 1,2-Ethanediol; Glycol; 1,2-Dihydroxyethane; 2-Hydroxyethanol; EINECS 203-473-3; Ethylene alcohol; Ethylene dehydrate; Glycol alcohol; Glycol, ethylene-; Monoethylene glycol

Primary Applications: Hydraulic Fracturing, Monomers
Ethylene glycol is a chemical that functions as a monomer in the production of polyethylene terephthalate (PET) plastic, is used as an antifreeze and deicing/anti-icing solution, is used as an ingredient in resins, inks, paints, waxes, heat transfer fluids, hydraulic fluids, and surfactants, and is a component of electrical boards and electrical condensers.

Diethanolamine compound

CAS#: 111-42-2
Chemical Name: Diethanolamine

Chemical Synonyms: 2,2'-Iminobisethanol; Diethanolamine [NF]; 2,2'-Dihydroxydiethylamine; 2,2'-Iminobisethanol; 2,2'-Iminodi-1-ethanol; 2,2'-Iminodiethanol; 2-(2-Hydroxyethylamino)ethanol; Bis(2-hydroxyethyl)amine; DEA; Di(2-hydroxyethyl)amine; Di(beta-hydroxyethyl)amine; Diaethanolamin [German]; Diethanolamin [Czech]; Diethylamine, 2,2'-dihydroxy-; Diethylolamine; Diolamine; Diolamine (VAN); EINECS 203-868-0; Iminodiethanol; N,N'-Iminodiethanol; N,N-Bis(2-hydroxyethyl)amine; N,N-Di(hydroxyethyl)amine; N,N-Diethanolamine; 2,2'-Iminobisethanol; 2,2'-Iminodiethanol; Ethanol, 2,2'-iminobis-; Ethanol, 2,2'-iminodi- (ChemIDplus 2014)

Primary Applications: Hydraulic Fracturing, Lubricants, Processing Aids and Additives
Hydraulic fracturing fluid additive; Diethanolamine is a chemical that functions as a component in the production of lubricants for the textile industry, as a rubber chemicals intermediate, as a humectant and softening agent, as an emulsifier and dispersing agent in agricultural chemicals, cosmetics, and pharmaceuticals, as an ingredient in cutting oils, cleaners, polishers, and shampoos, as a gas conditioning agent, and as a chemical intermediate for morpholine, fatty acid salt emulsifiers, and alkyl sulfate salt emulsifiers.

Ethylene glycol monobutyl ether compound

CAS#: 111-76-2
Chemical Name: Ethylene glycol monobutyl ether

Chemical Synonyms: EGBE; 2-butoxyethanol; ethylene glycol mono-n-butyl ether; 2-butoxyethanol; n-butoxyethanol; butyl cellosolve

Primary Applications: Hydraulic Fracturing, Processing Aids and Additives, Solvents
Hydraulic fracturing fluid additive; Solvent in various applications, such as in surface coatings, lacquers, enamels, varnishes, varnish removers, latex paint, metal cleaners, and other commercially available cleaning products (EPA, 2010).

CAS#: 127087-87-0
Chemical Name: Poly(oxy-1,2-ethanediyl)-nonylphenyl-hydroxy branched

Chemical Synonyms: Polyethylene glycol nonylphenyl ether; alpha-(Nonylphenyl)-omega-hydroxypoly(oxy-1,2-ethanediyl)

Primary Applications: Hydraulic Fracturing
Hydraulic fracturing fluid chemical; surfactant

Diiron Trioxide compound

CAS#: 1309-37-1
Chemical Name: Diiron Trioxide

Chemical Synonyms: Ferric Oxide, Hematite, C. I. Pigment 101, Red Iron Oxide, Iron(III)oxide, C.I. 77491, Red Iron Oxide 190, Iron Oxide (Fe2O3), Bayferrox 130, Blood stone

Primary Applications: Adhesives, Colorants, Hydraulic Fracturing
INORGANIC 1. Diiron trixode is as a colorant/ pigment in the following applications: Adhesives and sealants, coatings and paint, inks and toners, leather tanning, dyeing, lubricants, greases, paper and board dyeing, plastics, textile dyes; Feedstock for the production of steel, iron and other alloys

Xylenes compound

CAS#: 1330-20-7
Chemical Name: Xylenes

Chemical Synonyms: Dimethylbenzene (1,2-; 1,3-; or 1,4-); Xylenes; Xylol (mixture); m-, o-, or p-xylene (isomers); Methyltoluene

Primary Applications: Adhesives, Hydraulic Fracturing, Oil & Gas Production, Solvents
Xylenes are commonly used as an industrial solvent for paints, coatings, adhesives, and rubber.

Quartz compound

CAS#: 14808-60-7
Chemical Name: Quartz

Chemical Synonyms: Agate; Amethyst; CCRIS 2475; Chalcedony; Cherts; Crystallized silicon dioxide; D & D; DQ12; EINECS 238-878-4; Flint; Flintshot; Gold bond R; Imsil; MIN-U-sil alpha quartz; Min-U-Sil; Novaculite; Onyx; Quartz; Quartz dust; Quartz silica; Quazo puro; Quazo puro [Italian]; Rock crystal; Rose quartz; SF 35; Sand; Sicron F 300; Siderite (SiO2); Sikron F 100; Sil-Co-Sil; Silica dust; Silica flour (powdered crystalline silica; Silicon oxide; di- (sand); Silver bond B; Snowit; TGL 16319; Tiger-eye; W 12; W 12 (Filler); alpha-Quartz

Primary Applications: Hydraulic Fracturing, Processing Aids and Additives
Quartz is a chemical that has many uses, including in glass manufacturing, ceramics, foundry, abrasives, hydraulic fracturing, furnaces, fillers, paints, and filtration.

Polyoxyethylene(10)nonylphenyl ether compound

CAS#: 26027-38-3
Chemical Name: Polyoxyethylene(10)nonylphenyl ether

Primary Applications: Hydraulic Fracturing
Nonionic surfactant mixtures varying in the number of repeating ethoxy (oxy-1,2-ethanediyl) groups. They are used as detergents, emulsifiers, wetting agents, defoaming agents, etc. Nonoxynol-9, the compound with 9 repeating ethoxy groups, is a spermatocide, formulated primarily as a component of vaginal foams and creams.

Formaldehyde compound

CAS#: 50-00-0
Chemical Name: Formaldehyde

Chemical Synonyms: EINECS 200-001-8; Formalin; Formalith; Formic aldehyde; Formol; Methaldehyde; Methanal; Methyl aldehyde; Methylene oxide; Oxomethane; Oxymethylene; Paraform, UN1198, UN2209 (ChemIDplus 2014)

Primary Applications: Biocides or Fungicides, Hydraulic Fracturing, Processing Aids and Additives
Formaldehyde is a chemical that functions as a fixative of biological specimens and as an embalming fluid; as a germicide and chemical intermediate; in the production of amino, polyacetal, urea-formaldehyde resins, and phenolic resins, plastics, wood products, fertilizers, and foam insulation; as a textile finish, stabilizer, preservative, disinfectant, and antibacterial food additive; as a reducing agent for the recovery of gold and silver, corrosion inhibitor in oil wells, durable-press treatment of textile fabrics, industrial sterilant, and treatment of grain smut; as a cross-linking agent for paper waterproofing, nickel-plating brightening agent, latex coagulant, crease-proof textile finishing agent, and photographic gelatin hardening agent; and in the manufacturing of particle board, plywood, and medium-density fiber board.

Glycine, N,N-bis (carboxymethyl) -, trisodium salt compound

CAS#: 5064-31-3
Chemical Name: Glycine, N,N-bis (carboxymethyl) -, trisodium salt

Chemical Synonyms: N,N-Bis(carboxymethyl)glycine, trisodium salt; Nitrilotriacetic acid sodium salt; Trisodium NTA;Trisodium nitrilotriacetate; Acetic acid, nitrilotri-, trisodium salt; Sodium nitrilotriacetate; Trisodium nitrilotriacetate; Trisodium nitrilotriacetic acid

Primary Applications: Chelating Agents, Hydraulic Fracturing
Glycine, N,N-bis(carboxymethyl)-, trisodium salt (CAS #5064-31-3) is a chemical that functions as a chelating agent in bleaching, synthetic rubber, tanning, textiles, and pharmaceuticals, as a sequestrant, and as a builder in low phosphate detergents. It has also been reported as an impurity in hydraulic fracturing fluid products.

Tetrahydro-3,5-dimethyl-1,3,5-thiadiazine-2-thione compound

CAS#: 533-74-4
Chemical Name: Tetrahydro-3,5-dimethyl-1,3,5-thiadiazine-2-thione

Chemical Synonyms: Dazomet; Dithiocarbamate; Mylone

Primary Applications: Adhesives, Biocides or Fungicides, Hydraulic Fracturing, Processing Aids and Additives
Hydraulic fracturing fluid additive; Wood preservative; Dazomet functions as an algaecide, bacteriostat, fungicide, microbiocide, and mildewcide. Specific applications include “1) treatment during the production of pulp and paper; 2) as a material preservative treatment for coatings, adhesives, epoxy flooring compounds, slurries, and high viscous suspensions; 3) as a biocide treatment used during petroleum operations; 4) as a biocide treatment to recirculating cooling water systems; and 5) as a remedial wood treatment to utility poles (EPA, 2008).”

Tetrakis (hydroxymethyl) phosphonium sulfate compound

CAS#: 55566-30-8
Chemical Name: Tetrakis (hydroxymethyl) phosphonium sulfate

Chemical Synonyms: Tetrakis(hydroxymethyl)phosphonium sulphate(2:1); THPS; Phosphonium, tetrakis(hydroxymethyl)-, sulfate (2:1) (salt); Retardol S; Pyroset TKO; Bis(tetrakis(hydroxymethyl)phosphonium)sulfate (salt) (ChemIDplus 2014)

Primary Applications: Biocides or Fungicides, Hydraulic Fracturing
Tetrakis(hydroxymethyl)phosphonium sulfate (THPS) is a crystalline solid that is available commercially as a 75% concentrated aqueous solution. It is mainly used as biocide, in water treatment systems, oil field operations, and paper-making industry. In hydraulic fracturing fluids, it functions as a biocide that eliminates bacteria in the water that produces corrosive by-products.

Ethanol compound

CAS#: 64-17-5
Chemical Name: Ethanol

Chemical Synonyms: Ethyl alcohol; Alcohol; EtOH

Primary Applications: Hydraulic Fracturing, Processing Aids and Additives, Solvents
Hydraulic fracturing fluid additive

Formic acid compound

CAS#: 64-18-6
Chemical Name: Formic acid

Chemical Synonyms: Aminic acid; Formylic acid; Methanoic acid; Methanoic acid monomer (OECD 2009)

Primary Applications: Hydraulic Fracturing
Formic acid is a chemical that is used in textile dyeing and finishing, rubber manufacture, and as a chemical intermediate, catalyst in resins, plasticizer in resins, antiseptic and preservative, component of cleaning solutions, and oil well acidifying agent. It is also used as a direct food additive and in food packaging. In hydraulic fracturing, it is used as a corrosion inhibitor to protect pipes and related fracking components.

Distillates, Petroleum, Hydrotreated Light compound

CAS#: 64742-47-8
Chemical Name: Distillates, Petroleum, Hydrotreated Light

Chemical Synonyms: Hydrotreated kerosene; Hydrotreated light distillates (petroleum); Turbo fuel A; Distillates (petroleum), hydrotreated light; Distillate fuel oils, light; Hydrotreated light distillate

Primary Applications: Hydraulic Fracturing, Lubricants, Processing Aids and Additives
Chemical intermediate Fuel Lubricant Coating Cleaning agent Metal working fluid Release agent Friction reducer in hydraulic fracturing fluids (ECHA 2014, Inglewood Oil Field 2012)

CAS#: 64742-48-9
Chemical Name: Naphtha, Petroleum, Hydrotreated Heavy

Chemical Synonyms: Hydrotreated heavy naphtha (petroleum); Hydrotreated light steam cracked naphtha residuum (petroleum) (ChemIDplus 2014)

Primary Applications: Hydraulic Fracturing, Solvents
Naphtha, petroleum, hydrotreated heavy is a chemical that is primarily used as a solvent in a variety of applications including: extraction, cleaning, degreasing, aerosols, paints, wood preservatives, asphalt products, lacquers, and varnishes.

CAS#: 64742-94-5
Chemical Name: C10-C13 Aromatic Hydrocarbons

Chemical Synonyms: Heavy aromatic solvent naphtha (petroleum)

Primary Applications: Hydraulic Fracturing
Hydraulic fracturing fluid additive; Coatings, cleaning agents, agricultural chemicals, fuel additives, functional fluids, and laboratory agents (OECD, 2012).

Choline chloride compound

CAS#: 67-48-1
Chemical Name: Choline chloride

Chemical Synonyms: (2-Hydroxyethyl)trimethylammonium chloride; (beta- Hydroxyethyl)trimethylammonium chloride; 2-Hydroxy-N,N,N-trimethylethanaminium chloride; Ammonium, (2-hydroxyethyl)trimethyl-, chloride; Bilineurin chloride; Cholinium chloride; Ethanaminium, 2-hydroxy-N,N,N-trimethyl-, chloride; Hepacholine; Lipotril; Luridin chloride; Trimethyl(2-hydroxyethyl)ammonium chloride (ChemIDplus 2014).

Primary Applications: Hydraulic Fracturing
Choline chloride is a chemical that functions as a dietary supplement for choline and a clay stabilizer to prevent swelling of shifting in hydraulic fracturing fluids.

Isopropanol compound

CAS#: 67-63-0
Chemical Name: Isopropanol

Chemical Synonyms: 2-Propanol; Isopropyl alcohol, 1-Methylethanol; 1-Methyl alcohol; 2-Hydroxypropane; n-Propan-2-ol; 2-Propyl alcohol (ChemIDplus 2014)

Primary Applications: Hydraulic Fracturing, Solvents
1. Routinely used in hydraulic fracturing as a stabilizer and/or winterizing agent in corrosion
inhibitors, non-emulsifiers and surfactants. A typical water-based hydraulic fracturing fluid contains
isopropanol at 0.085%.
2. Solvent in food, pharmaceuticals and personal care products
3. Denaturing agent in specimen preparation
4. Chemical intermediate for organic synthesis
5. Disinfectant for home, hospital and industry (HSDB 2012)

Thioglycolic acid compound

CAS#: 68-11-1
Chemical Name: Thioglycolic acid

Chemical Synonyms: 2-Mercaptoacetate; Acetic acid, mercapto-; Mercaptoacetic acid; 2-Mercaptoacetic acid; 2-Thioglycolic acid; EINECS 200-677-4; Glycolic acid, 2-thio-; Glycolic acid, thio-; Mercaptoessigsaeure; Thioglycolate; Thioglycolic acid; Thioglycollic acid; Thiovanic acid; Acetic acid, 2-mercapto-, UN1940 (ChemIDplus 2014a)

Primary Applications: Hydraulic Fracturing
Thioglycolic acid is a chemical that functions as a chemical intermediate for thioglycolates; ingredient in depilatories, biological media for microorganism growth, and permanent hair wave solutions; chelating agent; reagent for detection of iron and other metal ions; used in the production of permanent creases in textiles; as a raw material for manufacture of fine and specialty chemicals in the pharmaceutical and agricultural sectors; and used as an electroplating and plasticizing material and catalyst for carbonyl condensation.

CAS#: 68412-54-4
Chemical Name: Poly(oxy-1,2-ethanediyl),alpha-(4-nonylphenyl)-omega-hydroxy-, branched

Chemical Synonyms: Polyethylene glycol nonylphenyl ether; alpha-(Nonylphenyl)-omega-hydroxypoly(oxy-1,2-ethanediyl)

Primary Applications: Hydraulic Fracturing
Fracking fluid additive; surfactant

CAS#: 68424-85-1
Chemical Name: Alkyl (C12-16) Dimethylbenzylammonium Chloride

Chemical Synonyms: Quaternary ammonium compounds, benzyl-C12-16-alkyldimethyl, chlorides

Primary Applications: Biocides or Fungicides, Hydraulic Fracturing, Processing Aids and Additives
Hydraulic fracturing fluid additive; ADBAC a registered pesticide with the U.S. EPA. Uses include algaecide, bactericide, bacteriostat, wood preservative, fungicide, fungistat, virucide, tuberculoside, insecticide, microbiocide, microbiostat, molluscicide, deodorant, disinfectant, and sanitizer in agricultural, food handling, commercial / institutional / industrial, residential and public access, and medical settings (EPA, 2006a).

Coconut Oil Acid/Diethanolamine Condensate (2:1) compound

CAS#: 68603-42-9
Chemical Name: Coconut Oil Acid/Diethanolamine Condensate (2:1)

Chemical Synonyms: Coconut diethanolamide; Amides, coco, N,N-bis(hydroxyethyl); Coconut oil acid diethanolamine; (Coco alkyl)diethanolamides; Cocoyl diethanolamide; Amides, coco, N,N-bis(2-hydroxyethyl); Coconut oil acid diethanolamine condensate; N,N-Bis(2-hydroxyethyl) coconut oil amide; N,N-Bis(2-hydroxyethyl)cocoamide; N,N-Bis(2-hydroxyethyl)coconut fatty acid amide; N,N-Bis(hydroxyethyl coco amides; Coconut oil diethanolamide; Diethanolamine, coconut fatty acids condensate; Coconut oil acids, diethanolamine condensate; Coconut oil acids, diethanolamide

Primary Applications: Hydraulic Fracturing, Processing Aids and Additives
Coconut oil acid/diethanolamine condensate (2:1) is a chemical that functions as a corrosion inhibitor, surfactant foam booster and viscosity increasing agent, antimigration agent, antistatic agent, and foam stabilizer.

CAS#: 68953-58-2
Chemical Name: Quaternary Ammonium Compounds, bis(Hydrogenated Tallow Alkyl)Dimethyl, Salts with Bentonite

Chemical Synonyms: Quaternium-18 bentonite; Quaternary ammonium compounds, bis(hydrogenated tallow alkyl)dimethyl, chlorides, reaction products with bentonite; Bis(hydrogenated tallow alkyl)dimethyl ammonium bentonite salts; Bis(hydrogenated tallow alkyl)dimethylammonium bentonite; Dimethyl dihydrogenated tallow ammonium chloride reaction product with bentonite; Quaternary ammonium compounds, bis(hydrogenated tallow alkyl)dimethyl-, chlorides; Di(tallow alkyl) dimethyl ammonium bentonite; Quaternary ammonium compounds, bis(hydrogenated tallow alkyl)dimethyl, salts with bentonite

Primary Applications: Hydraulic Fracturing, Processing Aids and Additives
Quaternary ammonium compounds, bis(hydrogenated tallow alkyl)dimethyl, salts with bentonite is a chemical that is used in coatings and paints, drilling muds, printing inks, cosmetics, and nanocomposites. It is also used in surfactants in hydraulic fracturing fluids.

n-Butanol compound

CAS#: 71-36-3
Chemical Name: n-Butanol

Chemical Synonyms: 1-Butanol; Butyl alcohol; n-Butyl alcohol; Butyl alcohol; Propyl carbinol; Butanol, 1-; n- Butan-1-ol; 1-Hydroxybutane; Butyl hydroxide; Propylmethanol; Butanolen; Butyric alcohol; Methylolpropane (ChemIDplus 2014)

Primary Applications: Hydraulic Fracturing, Processing Aids and Additives, Solvents
n-Butanol is a clear, colorless liquid that is flammable. It is classified as a primary alcohol and is used primarily as a chemical intermediate, as an ingredient in formulated products such as cosmetics, and as a solvent.
1. Solvent for paints, lacquers, varnishes, resins, gums, vegetable oils, dyes and alkaloids (HSDB 2010).
2. An intermediate in the manufacture of pharmaceuticals and chemicals (HSDB 2010).
3. Employed in industries producing artificial leather, textiles, safety glass, rubber cement, shellac, raincoats, photographic films and perfumes (HSDB 2010).
4. Additives in beverages and foods (HSDB 2010).

Benzene compound

CAS#: 71-43-2
Chemical Name: Benzene

Chemical Synonyms: Benzol, Cyclohexatriene, Phene, Phenyl hydride; Benzole; Carbon oil; Mineral naphtha; Coal naphtha; Motor benzol (ChemIDPlus 2014)

Primary Applications: Hydraulic Fracturing, Oil & Gas Production, Processing Aids and Additives, Solvents
Benzene is a chemical that functions as a raw material and intermediate for chemical synthesis, a solvent, a gasoline additive, and a natural component of diesel fuel that is used as a solvent in hydraulic fracturing fluids. Identified from air monitoring of unconventional natural gas extraction

CAS#: 72480-70-7
Chemical Name: Tar Bases, Quinoline Derivatives, Benzyl Chloride-Quaternized

Primary Applications: Hydraulic Fracturing
Hydraulic fracturing fluid additive; Tar bases, quinoline derivatives, benzyl chloride-quaternized is a chemical with no functional uses identified. No data were identified for tar bases, quinoline derivatives, benzyl chloride-quaternized.

Acetaldehyde compound

CAS#: 75-07-0
Chemical Name: Acetaldehyde

Chemical Synonyms: Acetic aldehyde, Ethyl aldehyde, Acetic ethanol, Ethanal

Primary Applications: Hydraulic Fracturing, Processing Aids and Additives, Solvents
Identified from air monitoring of unconventional natural gas extraction; Acetaldehyde is a chemical that functions mainly as a chemical intermediate:
1. Intermediate in the synthesis of pentaerythritol (25% in the U.S.)
2. Intermediate in the synthesis of pyridine and substituted pyridines (25% in the US)
3. Intermediate in the production of perfumes, polyester resins, basic dyes and metaldehyde
4. Fruit and fish preservative
5. Denaturant in alcohol
6. In fuel compositions
7. Solvent in rubber, tanning and paper industries

Ethylene oxide compound

CAS#: 75-21-8
Chemical Name: Ethylene oxide

Chemical Synonyms: Oxirane; Oxirane; Epoxyethane; Oxacyclopropane; Dimethylene oxide; Dihydrooxirene

Tetramethylammonium chloride compound

CAS#: 75-57-0
Chemical Name: Tetramethylammonium chloride

Chemical Synonyms: Methanaminium, N,N,N-trimethyl-, chloride; N,N,N-Trimethylmethanaminium chloride; Tetramine chloride; Ammonium, tetramethyl-, chloride (ChemIDplus 2014)

Primary Applications: Hydraulic Fracturing
Tetramethylammonium chloride is a chemical that functions as a clay stabilizer (prevents swelling or shifting) in hydraulic fracturing fluids, a chemical intermediate, a catalyst, and an inhibitor (unspecified).

tert-Butyl hydroperoxide compound

CAS#: 75-91-2
Chemical Name: tert-Butyl hydroperoxide

Chemical Synonyms: TBHP, tert-Butylhydroperoxide, tert-Butyl hydrogen peroxide, t-Butyl hydroperoxide, 1,1-Dimethyl hydroperoxide, 2-Hydroxyperoxy-2-methylpropane

Primary Applications: Hydraulic Fracturing
It is used in the chemical industry as starting material, catalyst, initiator, and curing agent.

Poly(oxy-1,2-ethanediyl), .alpha.-(nonylphenyl)-.omega.-hydroxy- compound

CAS#: 9016-45-9
Chemical Name: Poly(oxy-1,2-ethanediyl), .alpha.-(nonylphenyl)-.omega.-hydroxy-

Chemical Synonyms: Polyethylene glycol nonylphenyl ether; alpha-(Nonylphenyl)-omega-hydroxypoly(oxy-1,2-ethanediyl)

Primary Applications: Hydraulic Fracturing
Fracking fluid; surfactant

Naphthalene compound

CAS#: 91-20-3
Chemical Name: Naphthalene

Chemical Synonyms: Antimite; naphthalin; naphthene, tar camphor (ECB, 2003)

Primary Applications: Hydraulic Fracturing, Oil & Gas Production, Processing Aids and Additives, Solvents
Hydraulic fracturing fluid additive; Numerous uses cited by ECB (2003) include chemical intermediate or reagent in the manufacturing of phthalic anhydride, azo dyes, naphthalene sulfonic acids (for the manufacture of plasticizers for concrete, ingredient in plasterboard, dispersants in synthetic and natural rubbers, and in tanning agents for leather industries), alkylated naphthalene solvents, and feed stock in numerous miscellaneous chemicals and pharmaceuticals. Also used in mothballs (as a moth repellant and insecticide), for pyrotechnics in the film industry (to make ignitable pellets for the generation of black smoke, or in a container with a charge to simulate an explosion), and in the manufacture of grinding wheels.

1,2,4-Trimethylbenzene compound

CAS#: 95-63-6
Chemical Name: 1,2,4-Trimethylbenzene

Chemical Synonyms: 1,2,4-TMB; pseudocumene

Primary Applications: Hydraulic Fracturing, Processing Aids and Additives, Solvents
Hydraulic fracturing fluid additive