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Cetyl Trimethyl Ammonium Chloride
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Cetyl Trimethyl Ammonium Chloride (CTAC) is a cationic surfactant and quaternary ammonium compound characterized by a long hydrophobic cetyl (C16) alkyl chain and a positively charged ammonium head group. It appears as a white to pale yellow powder or flakes, soluble in water, and exhibits strong surface-active properties. CTAC is widely used in cosmetics, personal care, and industrial applications for its excellent conditioning, antistatic, emulsifying, and disinfectant capabilities. It functions primarily as a fabric softener, hair conditioner, and antimicrobial agent.
Description
Cetyl Trimethyl Ammonium Chloride
Primary Uses
- Cosmetics & Personal Care
- Acts as a conditioning agent in shampoos, conditioners, and hair treatments to reduce static and improve hair softness and manageability.
- Used as an emulsifier and stabilizer in creams, lotions, and other topical formulations.
- Provides antistatic properties in hair styling products and leave-on conditioners.
- Functions as an antimicrobial preservative and disinfectant in personal hygiene products.
- Industrial Applications
- Employed as a fabric softener and antistatic agent in textile processing and laundry detergents.
- Used in emulsion polymerization as a surfactant and dispersing agent.
- Serves as a biocide and disinfectant in water treatment and cleaning products.
Secondary Uses
- Pharmaceuticals
- Occasionally used as an antiseptic or preservative in topical pharmaceutical formulations.
- Agriculture
- Used in certain pesticide formulations as a surfactant to improve spreading and adhesion.
- Oil & Gas
- Utilized as an emulsifier and corrosion inhibitor in enhanced oil recovery processes and drilling fluids.
KEY PRODUCT FEATURES
1. Basic Identification Attributes
- Chemical Name (IUPAC): Hexadecyl(trimethyl)azanium chloride
- Common/Trade Name: Cetyl Trimethyl Ammonium Chloride, CTAC
- CAS Number: 112-02-7
- HS Code: 2923.29.00
- Molecular Formula: C19H42ClN
- Molecular Weight: 320.0 g/mol
- Synonyms:
- Hexadecyltrimethylammonium chloride
- CTAC
2. Physical & Chemical Properties
- Physical State: White to pale yellow granular powder or flakes
- Color & Odor: White to pale yellow; mild ammonium-like odor
- Melting Point: ~237°C (decomposes)
- Boiling Point: Decomposes before boiling
- Density: ~0.9 g/cm³ (solid form)
- Solubility:
- Soluble in water (highly soluble)
- Insoluble in oils and non-polar solvents
- pH (1% aqueous): ~5–7
- Stability: Stable under normal storage conditions; sensitive to strong oxidizers
3. Safety & Hazard Attributes
- Hazard Class (GHS): Skin irritant and eye irritant (Category 2)
- NFPA Ratings:
- Health: 2
- Flammability: 1
- Reactivity: 0
- Exposure Limits: Not specifically established; use appropriate PPE
- Toxicity: Moderate toxicity; avoid prolonged skin or eye contact
- Reactivity: Stable; incompatible with strong oxidizing agents
4. Storage & Handling Attributes
- Storage Conditions: Store in a cool, dry, well-ventilated area away from incompatible substances
- Container Type: Sealed polyethylene or polypropylene containers
- Shelf Life: Typically 2–3 years under proper storage
- Special Handling: Avoid dust formation and contact with eyes and skin; use PPE during handling
5. Regulatory & Compliance Attributes
- FDA Status: Approved for limited use in cosmetics (as per cosmetic regulations)
- REACH Status: Registered
- Transportation: Not classified as hazardous for transport
- Waste Disposal: Dispose in accordance with local environmental regulations
6. Environmental & Health Impact
- Ecotoxicity: Toxic to aquatic organisms; avoid release into waterways
- Persistence: Moderately biodegradable
- Bioaccumulation: Low potential for bioaccumulation
- Carcinogenicity/Mutagenicity: Not classified as carcinogenic or mutagenic
- Biodegradability: Partial biodegradability
SAFETY HANDLING PRECAUTIONS
Safety Handling Precautions
- PPE: Wear gloves, protective goggles, and dust mask when handling powders
- Handling: Avoid inhalation of dust and contact with skin and eyes
- Storage: Keep container tightly closed, store away from heat and incompatible materials
- Hygiene: Wash hands after handling; do not eat, drink, or smoke during use
First Aid Measures
- Inhalation: Move to fresh air immediately; seek medical attention if breathing difficulty occurs
- Skin Contact: Wash affected area thoroughly with soap and water; seek medical attention if irritation persists
- Eye Contact: Rinse cautiously with water for several minutes; remove contact lenses if present; seek medical help
- Ingestion: Rinse mouth; do not induce vomiting; seek medical advice immediately
Firefighting Measures
- Fire Hazards: Combustible; may produce toxic fumes including nitrogen oxides and hydrogen chloride
- Extinguishing Media: Use water spray, foam, dry chemical, or CO₂
- Special Precautions: Firefighters should wear full protective gear and self-contained breathing apparatus
- Decomposition Products: Hydrogen chloride, nitrogen oxides, carbon monoxide, carbon dioxide
Related products
Centrimonium Chloride Solution
Centrimonium Chloride Solution (also known as Cetyltrimethylammonium Chloride), with the chemical formula C₁₉H₄₂ClN, is a quaternary ammonium compound presented here as a 30% aqueous solution. It is a cationic surfactant widely used as an antistatic agent, conditioner, and emulsifier in personal care and industrial applications. This 25kg packaged solution is highly soluble and stable, providing excellent conditioning and antimicrobial properties in hair care formulations, fabric softeners, and disinfectants.
Ceteareth 25 Ginonic
Ceteareth 25 Ginonic CSA 25 is a nonionic surfactant and emulsifier derived from the ethoxylation of cetearyl alcohol, incorporating approximately 20 ethylene oxide units per molecule. It appears as a white to off-white waxy solid or viscous liquid, depending on temperature and formulation. This emulsifier is widely used in cosmetic, pharmaceutical, and industrial formulations for its excellent ability to stabilize oil-in-water emulsions, improve texture, and enhance the sensory properties of finished products. Its high hydrophilic-lipophilic balance (HLB) makes it especially effective in forming stable emulsions and solubilizing lipophilic ingredients in aqueous phases. Ceteareth 20 is valued for its mildness, broad compatibility, and multifunctional performance.
Cetrimide Powder
Cetrimide Powder is a high-purity quaternary ammonium compound widely used for its antiseptic, disinfectant, and surfactant properties. It is a cationic surfactant derived from cetyltrimethylammonium bromide and appears as a white to off-white crystalline powder with a slight characteristic odor. Known for its excellent antimicrobial efficacy against bacteria and fungi, cetrimide is frequently incorporated in pharmaceutical, personal care, and industrial formulations. It acts as a bactericidal agent, detergent, and emulsifier, providing effective cleaning and disinfecting action.
Emulsifier ( Emulgator) NP-9
Emulsifier ( Emulgator) NP-9 is a nonionic surfactant belonging to the family of Nonylphenol Ethoxylates (NPEs), specifically with an average of 9 ethylene oxide (EO) units. It is widely used as an effective emulsifying, wetting, dispersing, and solubilizing agent. NP-9 is typically a pale yellow to amber viscous liquid, soluble in water and various organic solvents. It is valued for its strong emulsifying ability to stabilize oil-in-water (O/W) and water-in-oil (W/O) emulsions, excellent detergency, and good compatibility with other surfactants and formulation ingredients. NP-9 is commonly employed in industrial, agricultural, cosmetic, pharmaceutical, and cleaning applications.
Galsilk 700( polyquartenum 7)
Galsilk 700( polyquartenum 7) is a water-soluble cationic polymer known chemically as Polyquaternium-7. It is widely used as a conditioning agent in personal care and cosmetic formulations, prized for its excellent substantivity to hair and skin, providing softness, smoothness, and antistatic effects. This polymer is typically supplied as a clear to slightly hazy viscous liquid or gel. It is compatible with a broad range of surfactants and ingredients, enhancing the sensory profile of shampoos, conditioners, styling products, and skincare formulations. Galsilk 700 is also valued for its film-forming properties and ability to improve product stability.
Myristic Acid
Myristic Acid is a saturated fatty acid with a 14-carbon chain, naturally found in nutmeg, coconut oil, palm kernel oil, and butter fat. It appears as a white crystalline solid with a faint odor. It is widely used in the manufacture of soaps, cosmetics, surfactants, and food additives due to its emollient and cleansing properties. Myristic Acid acts as a key intermediate in the production of esters, detergents, and lubricants.
Oleic Acid
Oleic Acid is a naturally occurring monounsaturated fatty acid commonly derived from vegetable oils such as olive, sunflower, and canola oils. This oily liquid is widely used in the chemical, pharmaceutical, cosmetic, and food industries due to its excellent emollient, surfactant, and stabilizing properties. Oleic Acid 75% is a key raw material in manufacturing soaps, detergents, lubricants, and personal care products. Its amphiphilic nature makes it an effective emulsifier and penetration enhancer.
Polyglyceryl
Polyglyceryl refers to a family of non-ionic surfactants and emulsifiers made by the polymerization of glycerol units. Depending on the number of glycerol units (e.g., Polyglyceryl-2, -3, -6, -10) and fatty acid esterification (e.g., laurate, oleate, stearate), they offer different emulsifying and solubilizing properties. These compounds are biodegradable, mild, and skin-friendly, making them ideal for use in cosmetics, food, pharmaceuticals, and personal care products. Polyglyceryl esters are often chosen in natural and organic product formulations due to their origin and non-toxic profile.
