Cetyl Alcohol
Cetyl Alcohol, also known as 1-Hexadecanol or Palmityl Alcohol, is a fatty alcohol derived primarily from natural sources such as palm oil and coconut oil. It appears as a waxy, white to pale yellow solid with a faint fatty odor. Cetyl Alcohol is widely used in cosmetic, pharmaceutical, and industrial formulations due to its emollient, emulsifying, thickening, and stabilizing properties. It helps improve texture, consistency, and moisturizing effects in personal care products. Cetyl Alcohol is compatible with many ingredients, making it a versatile multifunctional ingredient.
Cetyl Alcohol
Primary Uses
Cosmetics & Personal Care
- Acts as an emollient and thickener in lotions, creams, conditioners, and hair care products.
- Used as an emulsifier and stabilizer in oil-in-water emulsions, improving product texture and consistency.
- Provides a smooth, non-greasy feel and helps to reduce the greasy texture of oils.
- Used in lipsticks and balms to enhance structure and application.
Pharmaceuticals
- Serves as a base and thickening agent in ointments, creams, and lotions.
- Used in topical formulations to improve texture, spreadability, and skin conditioning.
Secondary Uses
Industrial Applications
- Utilized as a lubricant and anti-static agent in plastics and textile processing.
- Used in the manufacture of surfactants and detergents as an intermediate or ingredient.
Food Industry
- Sometimes used as a processing aid or emulsifier in food packaging or coatings (subject to regulations).
Chemical Synthesis
Serves as an intermediate in the production of esters and other derivatives used in cosmetics and industrial chemicals.
1. Basic Identification Attributes
- Chemical Name (IUPAC): Hexadecan-1-ol
- Common/Trade Name: Cetyl Alcohol
- CAS Number: 36653-82-4
- HS Code: 2905.43.00
- Molecular Formula: C16H34O
- Molecular Weight: 242.45 g/mol
- Synonyms:
- 1-Hexadecanol
- Palmityl Alcohol
- Cetyl Hydroxide
2. Physical & Chemical Properties
- Physical State: Solid waxy flakes, beads, or pastilles
- Color & Odor: White to pale yellow; faint fatty odor
- Melting Point: 48–54°C (118–129°F)
- Boiling Point: ~344°C at atmospheric pressure
- Density: ~0.81 g/cm³ at 20°C
- Solubility:
- Insoluble in water
- Soluble in oils, ethanol, chloroform, ether
- Flash Point: Approximately 190°C
- Stability: Stable under normal storage; resistant to oxidation
3. Safety & Hazard Attributes
- Hazard Class (GHS): Not classified as hazardous
- NFPA Ratings:
- Health: 0
- Flammability: 1
- Reactivity: 0
- Exposure Limits: No specific occupational exposure limit
- Toxicity: Low toxicity; generally recognized as safe in cosmetics
- Reactivity: Chemically stable; combustible at high temperatures
4. Storage & Handling Attributes
- Storage Conditions: Store in a cool, dry place away from heat and ignition sources
- Container Type: Sealed plastic or metal containers to avoid contamination
- Shelf Life: Up to 3 years when stored properly
- Special Handling: Avoid dust formation; use PPE when handling large quantities
5. Regulatory & Compliance Attributes
- FDA Status: Approved for use in cosmetics (21 CFR 182.10)
- REACH Status: Registered
- Transportation: Not classified as hazardous
- Waste Disposal: Follow local regulations; biodegradable
6. Environmental & Health Impact
- Ecotoxicity: Low environmental toxicity
- Persistence: Biodegradable under environmental conditions
- Bioaccumulation: Not expected to bioaccumulate
- Carcinogenicity/Mutagenicity: Not classified as carcinogenic or mutagenic
- Biodegradability: Readily biodegradable
Safety Handling Precautions
- PPE: Gloves and safety goggles recommended for bulk handling
- Handling: Avoid creating dust; use in well-ventilated areas
- Storage: Keep container tightly closed, away from heat sources
- Hygiene: Wash hands after handling; avoid ingestion and eye contact
First Aid Measures
- Inhalation: Move to fresh air if dust inhaled; seek medical attention if breathing difficulties occur
- Skin Contact: Wash skin with soap and water; seek medical help if irritation develops
- Eye Contact: Rinse eyes with water for 15 minutes; consult physician if irritation persists
- Ingestion: Low toxicity; rinse mouth and seek medical advice if large amounts ingested
Firefighting Measures
- Fire Hazards: Combustible material; burns with a smoky flame
- Extinguishing Media: Use foam, dry chemical, CO₂, or water spray
- Special Precautions: Firefighters should wear protective gear and self-contained breathing apparatus
- Decomposition Products: Carbon monoxide, carbon dioxide, and hydrocarbons
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