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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.
Cetrimide Powder
Primary Uses
- Pharmaceuticals & Medical
- Used as an antiseptic and disinfectant in wound cleaning solutions, surgical scrubs, and topical antiseptic creams and ointments.
- Incorporated in medicated shampoos and washes for treatment of dandruff and seborrheic dermatitis due to antimicrobial action.
- Acts as a surfactant and emulsifier in pharmaceutical formulations to enhance consistency and stability.
- Personal Care & Cosmetics
- Utilized in antiseptic creams, lotions, and skin cleansers.
- Functions as a foaming agent and cleansing surfactant in shampoos and body washes.
- Used in oral care products like mouthwashes for its antimicrobial properties.
- Industrial & Household
- Employed in disinfectant solutions and surface cleaners for hospitals and households.
- Used in water treatment processes as a biocide to control microbial growth.
Secondary Uses
- Laboratory & Research
- Used as a surfactant in biochemical and microbiological applications.
- Employed in DNA extraction protocols and as a detergent in molecular biology.
- Textile & Leather Processing
- Applied as a wetting and antiseptic agent in textile dyeing and leather treatment processes.
1. Basic Identification Attributes
- Chemical Name (IUPAC): N,N,N-trimethyl-1-hexadecylammonium bromide (major component)
- Common/Trade Name: Cetrimide Powder 98%
- CAS Number: 61789-75-3
- HS Code: 2923.29.00
- Molecular Formula: C19H42BrN
- Synonyms:
- Cetyltrimethylammonium bromide
- Hexadecyltrimethylammonium bromide
- Antiseptic quaternary ammonium compound
2. Physical & Chemical Properties
- Physical State: White to off-white crystalline powder
- Color & Odor: White; slight characteristic ammonium odor
- Melting Point: 55–60°C (decomposes)
- Boiling Point: Decomposes before boiling
- Density: ~1.01 g/cm³
- Solubility:
- Soluble in water (forms clear solutions)
- Soluble in alcohols and acetone
- Insoluble in hydrocarbons
- pH (1% aqueous solution): ~5.5–7.0
- Stability: Stable under recommended storage conditions; hygroscopic
3. Safety & Hazard Attributes
- Hazard Class (GHS): Harmful if swallowed; causes skin and eye irritation
- NFPA Ratings:
- Health: 2
- Flammability: 0
- Reactivity: 0
- Exposure Limits: No specific exposure limit established; avoid inhalation and skin contact
- Toxicity: Moderately toxic; potential irritant to mucous membranes and skin
- Reactivity: Stable; avoid mixing with anionic surfactants or oxidizers
4. Storage & Handling Attributes
- Storage Conditions: Store in a cool, dry, well-ventilated place away from incompatible materials
- Container Type: Sealed polyethylene or glass containers recommended
- Shelf Life: 2-3 years if stored properly
- Special Handling: Use personal protective equipment (PPE); avoid dust formation and inhalation
5. Regulatory & Compliance Attributes
- Pharmacopoeial Status: Listed in BP and USP as antiseptic grade
- Cosmetic Regulatory Status: Approved for use as preservative and antiseptic ingredient globally
- REACH Status: Registered
- Transportation: Not classified as hazardous for transport if packaged properly
- Waste Disposal: Dispose according to local environmental regulations
6. Environmental & Health Impact
- Ecotoxicity: Toxic to aquatic organisms; avoid release into waterways
- Persistence: Moderately persistent in the environment
- Bioaccumulation: Potential for bioaccumulation; handle waste responsibly
- Carcinogenicity/Mutagenicity: No evidence of carcinogenic or mutagenic effects at recommended use levels
- Biodegradability: Partial biodegradability; depends on environmental conditions
Safety Handling Precautions
- PPE: Gloves, protective goggles, dust mask or respirator if handling powder in bulk
- Handling: Avoid dust generation; use in well-ventilated areas
- Storage: Keep container tightly closed; store away from acids and anionic surfactants
- Hygiene: Wash hands and exposed skin thoroughly after handling
First Aid Measures
- Inhalation: Move to fresh air; if breathing is difficult, seek medical attention
- Skin Contact: Wash affected area with plenty of soap and water; seek medical advice if irritation persists
- Eye Contact: Rinse immediately with plenty of water for at least 15 minutes; seek medical attention
- Ingestion: Do not induce vomiting; rinse mouth and seek immediate medical attention
Firefighting Measures
- Fire Hazards: Not highly flammable; may burn under fire conditions
- Extinguishing Media: Use water spray, foam, dry chemical, or CO₂
- Special Precautions: Firefighters should wear full protective clothing and self-contained breathing apparatus
- Decomposition Products: May emit toxic fumes including nitrogen oxides, carbon monoxide, and hydrogen bromide on combustion
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Gentian Violet Crystals is a dark purple crystalline powder known chemically as Hexamethyl pararosaniline chloride. It is a synthetic triphenylmethane dye historically used for its antimicrobial, antifungal, and antiseptic properties. The “80” typically refers to the dye strength or concentration. Gentian Violet exhibits broad-spectrum antimicrobial activity and is used in medical, veterinary, microbiological, histological, cosmetic, and industrial applications. It functions by disrupting bacterial and fungal cell membranes and inhibiting DNA replication. Despite reduced use in some areas due to safety concerns, it remains valuable in certain low-cost, traditional, and veterinary applications.
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