Alcohols, C9-11 Ethoxylated (C9-11 Pareth, Fatty Alcohol Ethoxylate)
CAS 68439-46-3
A biodegradable nonionic workhorse surfactant for cleaning, wetting, and emulsification. Alcohol ethoxylates of this type are general-purpose wetting, emulsifying, and detergent surfactants used in household and industrial cleaners and as emulsifiers and dispersants in processing formulations.
Cleaning / Degreasing
Surfactancy
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Behentrimonium Chloride (BTAC)
CAS 17301-53-0
A long-chain cationic quaternary for conditioning and antistatic personal-care systems. PubChem/CIR classify it as a cosmetic hair-conditioning agent and preservative. Supplied in bulk for personal-care formulation.
Conditioning
Preservation
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Benzalkonium Chloride (BKC, ADBAC)
CAS 8001-54-5
A cationic quaternary-ammonium surfactant used as a wetting and emulsifying agent in industrial processing. It is a cationic wetting and emulsifying agent used in textile, pulp-and-paper, and metal-processing operations.
Biocidal Action
Surfactancy
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Benzethonium Chloride
CAS 121-54-0
A broad-utility cationic quaternary for cleaning, preservation, and water-treatment chemistry. Established uses include service as a cationic detergent, a germicide for cleansing food and dairy utensils, a swimming-pool algaecide, and a preservative in cosmetics.
Biocidal Action
Preservation
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Cetrimonium Bromide (CTAB)
CAS 57-09-0
A cationic quaternary surfactant valued for strong substantivity to surfaces, fibers, and biological membranes. The bromide and chloride salts are established for use as antiseptics and as cationic surface-active agents.
Biocidal Action
Surfactancy
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Cetrimonium Chloride (CTAC)
CAS 1120-20-3
A cationic conditioning surfactant that deposits a smoothing, antistatic film on hair and fiber surfaces. It is used as a hair-conditioning and antistatic agent, a cationic detergent, and a disinfectant/germicide, as well as a softening agent, dispersant, and corrosion inhibitor in industrial systems.
Biocidal Action
Surfactancy
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Cetrimonium Chloride (CTAC)
CAS 112-02-7
A cationic conditioning surfactant that lays down a smoothing, antistatic film on hair and synthetic fibers. It is used as a hair-conditioning and antistatic agent, a cationic detergent, and a disinfectant/germicide, as well as a softening agent, dispersant, and corrosion inhibitor in industrial systems.
Biocidal Action
Surfactancy
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Cetylpyridinium Chloride (CPC)
CAS 123-03-5
A pyridinium quaternary surfactant combining cationic, surface-active, and preservative functionality. It is used as an antimicrobial agent and preservative in oral-care and personal-care products and as a cationic surfactant; quaternary ammonium chemistry of this type is also applied in algaecide and slimicide systems.
Biocidal Action
Surfactancy
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Di(C14-18 alkyl) Dimethyl Ammonium Chloride (Dialkyldimethylammonium Chloride)
CAS 68002-59-5
Saturated twin-chain cationic surfactant for softening, conditioning, and emulsification. Like other dialkyldimethylammonium chlorides it is substantive to negatively charged fibers and surfaces, and is used as a fabric-softening and conditioning active, an antistatic agent, and a cationic emulsifier.
Biocidal Action
Surfactancy
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Dicoco Dimethyl Ammonium Chloride (Quaternium-34)
CAS 61789-77-3
Coconut-derived twin-chain quat for softening, conditioning, and cationic emulsification. Its double hydrophobic tail and quaternary nitrogen give strong affinity for anionic substrates, supporting use as a fabric-softening and conditioning active, an antistatic agent, and a cationic emulsifier.
Conditioning
Surfactancy
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Didecyldimethylammonium Chloride (DDAC)
CAS 7173-51-5
A dialkyl quaternary ammonium compound combining cationic-surfactant and material-preservative functions for wood, water-treatment, and cleaning systems. It is used as a biocide and material preservative in wood preservation, in industrial water treatment for cooling towers and oilfield flood waters, in laundry and cleaning formulations, and…
Biocidal Action
Surfactancy
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Dihydrogenated Tallow Dimethyl Ammonium Chloride (Quaternium-18)
CAS 61789-80-8
Cationic, substrate-substantive chemistry for softening, antistatic, and emulsification duty in personal-care and household formulations. The double hydrophobic tail and permanent positive charge make it substantive to negatively charged fibers and surfaces, the basis for its use as a fabric-softening and conditioning active, an antistatic agent,…
Conditioning
Surfactancy
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Distearyldimonium Chloride (Dimethyldioctadecylammonium Chloride)
CAS 107-64-2
A dialkyl quaternary-ammonium cationic used as a fabric softener and hair-conditioning agent. It is used as a fabric softener, a hair-rinse and conditioning surfactant, and a flocculating agent.
Conditioning
Biocidal Action
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Methyl Bis(hydrogenated Tallow Amidoethyl)-2-hydroxyethyl Ammonium Methyl Sulfate
CAS 81646-13-1
A hydrogenated-tallow diamidoamine quat built for rich softening and antistatic conditioning. Quaternaries of this type serve as fabric-softening actives and as antistatic and fiber-conditioning agents.
Conditioning
Surfactancy
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Methyltrioctylammonium Chloride (TOMAC, Trioctylmethylammonium Chloride)
CAS 5137-55-3
A quaternary ammonium phase-transfer catalyst that shuttles ionic reagents between aqueous and organic phases. It functions as a phase-transfer catalyst and is used in liquid chromatography for separations.
Surfactancy
Biocidal Action
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Organoclay (Organobentonite, Quaternary Ammonium Bentonite)
CAS 68953-58-2
A quaternary-ammonium-modified bentonite engineered to thicken and stabilize non-aqueous, oil- and solvent-based systems. It functions as a rheological additive and thickener that imparts viscosity, sag resistance, and anti-settling behavior to solvent-based coatings, inks, greases, sealants, and oil-based drilling fluids.
Viscosity Modification
Thickening / Rheology
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Palmitamidopropyltrimonium Chloride
CAS 51277-96-4
A palmitic-based amido-quat that deposits cationic conditioning and antistatic character onto hair and fibers. It is used as a cationic conditioning and antistatic agent in personal-care formulations.
Conditioning
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Polyquaternium-10
CAS 68610-92-4
A quaternized cellulose-ether polymer used as the cationic conditioning backbone in rinse-off and leave-on hair care. In personal-care formulations it functions as a hair-conditioning agent, antistatic agent, and film former, and it contributes to viscosity control.
Conditioning
Film Formation
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Polyquaternium-11
CAS 53633-54-8
A vinylpyrrolidone-based cationic copolymer chosen for film strength and conditioning in hair-styling and rinse-off products. It serves as a film former, hair fixative, antistatic, and conditioning agent in personal-care formulations.
Conditioning
Film Formation
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Polyquaternium-2
CAS 68555-36-2
A cationic polyurea ionene supplied as a substantive conditioning and antistatic agent for hair and skin care. It is used in personal-care formulations as an antistatic and hair-conditioning agent.
Conditioning
Film Formation
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Polyquaternium-28
CAS 131954-48-8
A vinylpyrrolidone and quaternary-acrylamide copolymer used where styling hold and conditioning feel are needed together. It functions as a film former, hair fixative, antistatic, and conditioning agent in personal-care formulations.
Conditioning
Film Formation
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Polyquaternium-7 (Acrylamide/DADMAC Copolymer)
CAS 26590-05-6
The high-volume acrylamide-diallyldimethylammonium copolymer relied on for conditioning that stays compatible with surfactant cleansers. It is used in personal-care formulations as a hair-conditioning, antistatic, and film-forming agent, and it is compatible with anionic surfactant systems.
Conditioning
Film Formation
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Quaternium-18 Hectorite (Organoclay)
CAS 12001-31-9
An organophilic clay for viscosity control and suspension in non-aqueous formulations. Industry references record it under the CIR cosmetic ingredient Quaternium-18 Hectorite; as an organoclay it functions as a rheological additive that controls viscosity and suspends solids in non-aqueous systems.
Thickening / Rheology
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Quaternium-73
CAS 15763-48-1
An antimicrobial and anti-inflammatory ingredient that helps control acne, reduces redness, and protects skin from bacteria. Commonly used in acne-care and
Biocidal Action
Surfactancy
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Quaternium-80 (Silicone-Based Quaternary Ammonium Compound)
CAS 134737-05-6
Silicone-quat conditioning chemistry for slip, detangling, and static control in hair care. It pairs a dimethicone-type silicone segment with cationic quaternary groups and is used in personal-care formulations as a hair-conditioning and antistatic agent.
Conditioning
Surfactancy
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Quaternium-87 (Imidazolium Ester Quaternary Ammonium Compound)
CAS 92201-88-2
A vegetable-derived ester-quat for substantive, low-build conditioning in hair care. It is used in hair-care formulations as a conditioning and antistatic agent.
Conditioning
Surfactancy
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Stearalkonium Chloride
CAS 122-19-0
A cationic quaternary-ammonium surfactant used for hair conditioning and antistatic performance. It is used as a cationic surfactant, emulsifier, and conditioning/antistatic agent, including in personal-care products and industrial cleaners.
Cleaning / Degreasing
Preservation
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Steartrimonium Chloride (Stearyltrimethylammonium Chloride)
CAS 112-03-8
A mono-alkyl trimethyl quaternary-ammonium cationic used for hair conditioning and antistatic effect. It is used as a hair-conditioning agent in cosmetic formulations.
Conditioning
Preservation
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