Amines & Amides
Cyclohexylamine (CHA, Aminocyclohexane)
CAS 108-91-8
A cyclic primary amine used as a corrosion inhibitor in boiler water, rubber vulcanization accelerator, and intermediate for insecticides and plasticizers.
pH Adjustment
Corrosion Inhibition
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Silicone Fluids & Oils
Cyclopentasiloxane (Decamethylcyclopentasiloxane, D5)
CAS 541-02-6
A volatile cyclic siloxane fluid used as a carrier, emollient, and solvent in personal care, dry cleaning, and siloxane polymer synthesis.
Solvency
Emolliency
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Silicone Fluids & Oils
Cyclopentasiloxane and Dimethiconol Blend
A clear silicone fluid blend providing conditioning, smoothing, and slip enhancement for hair and skin-care formulations.
Solvency
Emolliency
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Esters
D-Alpha Tocopheryl Acetate (Vitamin E Acetate)
CAS 52225-20-4
A free-flowing powder form of natural vitamin E acetate used as an antioxidant and nutrient source in dietary supplements, food, animal feed, and cosmetics.
Preservation
Conditioning
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Esters
D-Alpha Tocopheryl Acid Succinate (Vitamin E Succinate)
CAS 4345-03-3
A crystalline solid ester of natural-source vitamin E used as an antioxidant and vitamin E source in dietary supplements, food, and cosmetic formulations.
Preservation
Conditioning
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Specialty Additives
D-Alpha-Tocopherol (Vitamin E)
CAS 59-02-9
A natural antioxidant powder used to prevent rancidity in oils and fats, and as a vitamin supplement in food, dietary, and cosmetic formulations.
Preservation
Conditioning
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Esters
D-Alpha-Tocopheryl Acetate (Vitamin E Acetate)
CAS 58-95-7
An oil-based vitamin E ester that functions as an antioxidant and UV stabilizer in dietary supplements, cosmetics, and personal-care formulations.
Conditioning
Emolliency
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Solvents - Aliphatic
D-Limonene (Limonene)
CAS 5989-27-5
A citrus-derived cyclic monoterpene solvent used as a bio-based degreaser, cleaning agent, and chemical feedstock in industrial applications.
Solvency
Cleaning / Degreasing
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Glycols & Polyols
D-Mannitol (Mannitol)
CAS 69-65-8
A white crystalline sugar alcohol used as a pharmaceutical excipient, bulk sweetener, and moisture-resistant ingredient in food and medicinal formulations.
Moisture Control
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Specialty Additives
D-Panthenol (Provitamin B5, Dexpanthenol)
CAS 81-13-0
A viscous provitamin B5 liquid used as a skin and hair conditioner and antistatic agent in cosmetic and personal-care formulations.
Conditioning
Moisture Control
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Amines & Amides
D-Serine
CAS 312-84-5
A dextrorotatory amino acid supplied as a high-purity biochemical reagent for chiral synthesis, laboratory research, and specialty intermediate production.
Crosslinking / Curing
pH Adjustment
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Mineral Fillers & Pigments
D&C Green No. 8
CAS 6358-69-6
A synthetic organic acid dye used to impart green color in cosmetics, pharmaceuticals, and industrial formulations, supplied as powder or solution.
Color / Pigmentation
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Mineral Fillers & Pigments
D&C Orange No. 4 (Acid Orange 7, Orange II)
CAS 633-96-5
An orange powder monoazo acid dye used as a colorant in cosmetics, hair dyes, and biological staining applications.
Color / Pigmentation
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Mineral Fillers & Pigments
D&C Red 7 (Lithol Rubine BCA, Pigment Red 57:1)
CAS 5281-04-9
A synthetic monoazo pigment used as a red colorant in cosmetics, plastics including PVC and polyolefins, and engineered resins.
Color / Pigmentation
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Mineral Fillers & Pigments
D&C Red No. 33
CAS 3567-69-9
A synthetic red azo acid dye powder used to impart red coloration in cosmetic and industrial formulations.
Color / Pigmentation
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Silicone Fluids & Oils
Decamethyltetrasiloxane (MD2M)
CAS 141-62-8
A linear siloxane fluid with 2 cSt viscosity used as an intermediate in silicone polymer production and as a carrier fluid in industrial formulations.
Solvency
Slip / Release
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Specialty Additives
Decyl Alcohol (1-Decanol, Decanol)
CAS 112-30-1
A saturated C10 fatty alcohol used in plasticizers, synthetic lubricants, surfactants, petroleum additives, and as a solvent and antifoam agent.
Cleaning / Degreasing
Emolliency
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Specialty Additives
Decyl Glucoside (Alkyl Glucoside, Sugar-Based Surfactant)
CAS 110615-47-9
A nonionic sugar-based surfactant used as a foaming agent and emulsion stabilizer in personal care and household cleaning formulations.
Cleaning / Degreasing
Surfactancy
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Esters
Decyl Oleate
CAS 3687-46-5
An ester emollient and skin-conditioning agent used in cosmetics, personal care, and color cosmetics formulations.
Emolliency
Solvency
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Surfactants - Nonionic
Decyl/Undecyl Glucoside (Alkyl Polyglucoside, APG)
CAS 58846-77-8
A non-ionic alkyl polyglucoside surfactant derived from fatty alcohols and glucose, used as a mild cleanser and emulsion stabilizer in shampoos.
Cleaning / Degreasing
Surfactancy
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Amines & Amides
DEET (N,N-Diethyl-meta-toluamide)
CAS 134-62-3
A broad-spectrum insect repellent active ingredient used in formulations to repel mosquitoes, ticks, biting flies, and other biting insects.
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Specialty Additives
Dehydroxanthan Gum
A modified polysaccharide thickener and film former for cosmetic, personal-care, and household cleaning formulations.
Thickening / Rheology
Film Formation
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Acids & Salts
Denatonium Benzoate
CAS 3734-33-6
A quaternary ammonium salt and the world's bitterest compound, used as a denaturant and aversive agent in antifreeze, cleaners, and denatured alcohol.
pH Adjustment
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Polymers & Resins
DGEBA Liquid Epoxy Resin (Bisphenol-A Diglycidyl Ether)
CAS 25068-38-6
A liquid epoxy resin used to formulate adhesives, coatings, composites, and potting compounds, valued for adhesion and chemical resistance.
Film Formation
Crosslinking / Curing
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Esters
Di-n-Butyl Phthalate (DBP)
CAS 84-74-2
An ester plasticizer used in flexible polymers, chemical synthesis, and synthetic fragrance formulations.
Plasticizing
Solvency
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Acids & Salts
Di(2-ethylhexyl) Phosphoric Acid (D2EHPA)
CAS 298-07-7
An organophosphorus acid ester used as a metal extractant in hydrometallurgical solvent extraction, and as a lubricant additive and corrosion inhibitor.
pH Adjustment
Chelation / Sequestration
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Surfactants - Cationic
Di(C14-18 alkyl) Dimethyl Ammonium Chloride (Dialkyldimethylammonium Chloride)
CAS 68002-59-5
A cationic surfactant used as a fabric softener, antistatic agent, and emulsifier in textile finishing and personal care formulations.
Biocidal Action
Surfactancy
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Specialty Additives
Di(tert-Butylperoxyisopropyl)benzene
CAS 25155-25-3
A solid dialkyl peroxide crosslinker for rubber and polyolefins, offering low volatility and good scorch safety for wire-and-cable.
Crosslinking / Curing
Synthesis Intermediate
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Solvents - Oxygenated
Diacetone Alcohol
CAS 123-42-2
A ketone-alcohol solvent for nitrocellulose, cellulose acetate, resins, and pigments used in coatings, inks, and as a chemical intermediate.
Solvency
Synthesis Intermediate
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Amines & Amides
Diaminodiphenylmethane (MDA, 4,4′-Methylenedianiline)
CAS 101-77-9
An aromatic diamine intermediate used as a precursor to MDI and polymeric MDI, and as a curing agent for epoxy and polyurethane-elastomer formulations.
Crosslinking / Curing
pH Adjustment
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Amines & Amides
Diaminopyrimidine Oxide
CAS 74638-76-9
A synthetic pyrimidine derivative used as a hair and skin conditioning agent in cosmetic and personal-care formulations.
Conditioning
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Acids & Salts
Diammonium Phosphate (DAP)
CAS 7783-28-0
An inorganic ammonium phosphate salt used as a nitrogen-phosphorus fertilizer, yeast nutrient in fermentation, and flame retardant for cellulosic materials.
pH Adjustment
Flame Retardancy
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Mineral Fillers & Pigments
Diatomaceous Earth (Diatomite, DE)
CAS 68855-54-9
A porous siliceous powder composed of fossilized diatoms, used as a filter aid, functional filler, and mild abrasive in beverages, oils.
Thickening / Rheology
Biocidal Action
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Esters
Dibutyl Adipate (DBA)
CAS 105-99-7
A dibutyl diester plasticizer and emollient used in PVC and polyurethane formulations, cosmetics, and personal care products.
Emolliency
Plasticizing
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Esters
Dibutyl Maleate (DBM)
CAS 105-76-0
An unsaturated diester plasticizer and reactive comonomer for vinyl and acrylic emulsion polymers, offering internal plasticization and flexibility.
Crosslinking / Curing
Plasticizing
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Acids & Salts
Dicalcium Phosphate (DCP)
CAS 7757-93-9
A calcium phosphate mineral supplement and functional additive used in animal feed, food processing as a leavening agent, and pharmaceutical tableting.
Thickening / Rheology
Color / Pigmentation
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Esters
Dicaprylyl Carbonate (DCC)
CAS 1680-31-5
A light, fast-spreading emollient and solvent that delivers silky feel and excellent spreadability in skin care, sun care, and cosmetic formulations.
Emolliency
Solvency
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Solvents - Aliphatic
Dicaprylyl Ether
CAS 629-82-3
A symmetric dialkyl ether used as an emollient and solvent in cosmetic, personal-care, and industrial formulations.
Emolliency
Solvency
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Solvents - Oxygenated
Dichloroethyl Ether (Bis(2-chloroethyl) Ether)
CAS 111-44-4
A chlorinated acyclic ether used as a solvent and chemical intermediate in polysulfide rubber and polymer manufacturing.
Biocidal Action
Preservation
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Surfactants - Cationic
Dicoco Dimethyl Ammonium Chloride (Quaternium-34)
CAS 61789-77-3
A cationic surfactant derived from coconut alkyl chains, used as a fabric softener, antistatic agent.
Conditioning
Surfactancy
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Specialty Additives
Dicumyl Peroxide (DCP)
CAS 80-43-3
An organic peroxide used as a free-radical crosslinking agent for polyethylene, rubber, and silicone elastomers, and as a polymerization initiator.
Crosslinking / Curing
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Amines & Amides
Dicyandiamide
CAS 461-58-5
A white crystalline latent epoxy hardener that remains inert at room temperature and cures on heating to form high-performance networks for adhesives.
Crosslinking / Curing
Synthesis Intermediate
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Polymers & Resins
Dicyclohexylmethane Diisocyanate (H12MDI, Hydrogenated MDI)
CAS 5124-30-1
A cycloaliphatic diisocyanate used to produce light-stable polyurethanes for flexible coatings, elastomers, and non-yellowing urethane applications.
Crosslinking / Curing
Synthesis Intermediate
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Surfactants - Cationic
Didecyldimethylammonium Chloride (DDAC)
CAS 7173-51-5
A quaternary ammonium biocide and surfactant used in wood preservation, industrial water treatment, and cleaning formulations.
Biocidal Action
Surfactancy
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Amines & Amides
Diethanolamine (DEA)
CAS 111-42-2
An amino-alcohol used for acid gas scrubbing, surfactant synthesis, and as an emulsifier in cutting fluids and cleaners.
pH Adjustment
Corrosion Inhibition
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Solvents - Oxygenated
Diethyl Ether (Ethyl Ether)
CAS 60-29-7
A highly volatile ether solvent used for extraction, organic synthesis, and cold-weather engine starting fluid formulations.
Solvency
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Esters
Diethyl Fumarate (Fumaric Acid Diethyl Ester)
CAS 623-91-6
An unsaturated diester used as a reactive comonomer and intermediate in polymer synthesis and organic transformations.
Crosslinking / Curing
Synthesis Intermediate
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Esters
Diethyl Maleate (DEM)
CAS 141-05-9
An unsaturated diethyl ester used as a Michael acceptor and reactive intermediate in polymer synthesis, copolymerization, and specialty chemical manufacture.
Crosslinking / Curing
Synthesis Intermediate
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