Stearic Acid-Hystric
Stearic Acid Hystric Grade is a specialized form of stearic acid, refined to meet high-quality standards for industrial and cosmetic applications. Known for its superior purity and consistency, this grade is widely used as an emulsifier, lubricant, and processing aid. Its enhanced physical properties ensure improved performance in formulations requiring stable viscosity and texture, particularly in cosmetics, rubber, and plastics industries.
Uses
Primary Uses
Cosmetics & Personal Care
- Emulsifier & Thickener: Provides stability and texture to creams, lotions, and soaps.
- Surfactant: Acts as a mild cleansing agent in personal care products.
Rubber Industry
- Processing Aid: Enhances mixing and processing of rubber compounds.
- Lubricant: Improves flow and reduces friction during rubber manufacturing.
Plastic Industry
- Plasticizer & Lubricant: Used to improve mold release and processing characteristics.
Secondary Uses
Pharmaceuticals
Excipient: Used as a stabilizer and thickener in topical formulations.
Basic Identification Attributes
- Chemical Name (IUPAC): Octadecanoic acid
- Common/Trade Name: Stearic Acid Hystric Grade
- 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 to off-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; safe for intended uses
- Exposure Limits: No established occupational exposure limits
Storage & Handling Attributes
- Storage Conditions: Store in cool, dry, well-ventilated areas away from heat and oxidizing agents
- Container Type: Bags, drums
- Shelf Life: 24 months when stored properly
- Handling Precautions: Avoid dust generation and exposure to open flames
Regulatory & Compliance Attributes
- Complies with REACH and other international chemical regulations.
- Manufactured under Good Manufacturing Practices (GMP).
- Meets quality standards for industrial and cosmetic applications.
Environmental & Health Impact
- Biodegradability: Biodegradable under aerobic conditions
- Ecotoxicity: Low aquatic toxicity
Bioaccumulation: Not significant
Safety Handling Precautions
- PPE Required: Use gloves and dust mask when handling
- Handling Guidelines: Provide adequate ventilation; minimize dust exposure
- Storage Measures: Keep containers tightly closed and dry
First Aid Measures
- Inhalation: Move to fresh air; seek medical advice if symptoms persist
- Skin Contact: Wash thoroughly with soap and water
- Eye Contact: Rinse with water for 15 minutes; seek medical attention if irritation persists
- Ingestion: Rinse mouth; seek medical attention if necessary
Firefighting Measures
- Fire Hazards: Combustible solid
- Extinguishing Media: Water spray, foam, dry chemical
Hazardous Combustion Products: Carbon oxides and other toxic fumes