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Stearic Acid
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Stearic Acid (Triple Pressed) is a high-purity, saturated fatty acid derived primarily from vegetable fats. The triple pressing process enhances its purity, resulting in a fine, waxy solid with excellent consistency and reduced impurities. It is widely used as an emulsifier, thickener, and surfactant in various industries, providing stability and texture to products ranging from cosmetics to rubber and plastics.
Description
Uses
Primary Uses
Cosmetics & Personal Care
- Emulsifier & Thickener: Used in creams, lotions, soaps, and deodorants to stabilize formulations and improve texture.
- Surfactant: Acts as a cleansing agent in personal care products.
Rubber & Plastics Industry
- Processing Aid: Enhances the processing and quality of rubber and plastic products.
- Lubricant: Used as an internal lubricant during polymer extrusion.
Candle Manufacturing
- Hardener: Provides hardness and opacity to candles.
Pharmaceuticals
- Excipient: Used in tablet coatings and suppositories as a lubricant and binding agent.
Secondary Uses
Food Industry
- Additive: Used as an anti-caking and release agent in food processing.
Metal Industry
Metal Release Agent: Prevents metals from sticking during forging and casting processes.
PRODUCT KEY FEATURES
Basic Identification Attributes
- Chemical Name (IUPAC): Octadecanoic acid
- Common/Trade Name: Stearic Acid (Triple Pressed)
- CAS Number: 57-11-4
- HS Code: 2915.11.00
- Synonyms: Stearic acid, octadecanoic acid
Physical & Chemical Properties
- Physical State: Solid (waxy flakes or powder)
- Color & Odor: White; faint fatty odor
- Melting Point: 69-70 °C
- Solubility: Insoluble in water; soluble in alcohol and ether
- Density: Approx. 0.94 g/cm³
Safety & Hazard Attributes
- GHS Classification: Not classified as hazardous
- Toxicity: Low toxicity; generally recognized as safe
- Exposure Limits: No specific occupational exposure limits
Storage & Handling Attributes
- Storage Conditions: Store in a cool, dry, well-ventilated area away from oxidizing agents
- Container Type: Bags, drums, or bulk containers
- Shelf Life: 24 months when stored properly
- Handling Precautions: Avoid dust generation and exposure to heat sources
Regulatory & Compliance Attributes
- Food grade compliant with FDA and EU food safety standards
- Produced under Good Manufacturing Practices (GMP)
- Complies with REACH and other relevant chemical regulations
Environmental & Health Impact
- Biodegradability: Biodegradable under aerobic conditions
- Ecotoxicity: Low aquatic toxicity
Bioaccumulation: Not significant
SAFETY HANDLING PRECAUTIONS
Safety Handling Precautions
- PPE Required: Gloves and dust mask recommended during handling
- Handling Guidelines: Use local exhaust ventilation; avoid dust inhalation
- Storage Measures: Keep container tightly closed and dry
First Aid Measures
- Inhalation: Move to fresh air; seek medical attention if irritation persists
- Skin Contact: Wash with soap and water; seek medical help if irritation occurs
- Eye Contact: Rinse with plenty of water for at least 15 minutes; seek medical assistance
- Ingestion: Rinse mouth; seek medical advice if necessary
Firefighting Measures
- Fire Hazards: Combustible solid
- Extinguishing Media: Water spray, foam, dry chemical
Hazardous Combustion Products: Carbon oxides and other harmful fumes
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