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Pentaerythritol
Pentaerythritol is a high-purity, crystalline polyol used extensively in the production of alkyd resins, synthetic lubricants, explosives, and plasticizers. Its multifunctional alcohol structure provides excellent stability, high melting point, and good compatibility with various chemicals. Pentaerythritol 98% is valued for its role as a building block in chemical syntheses, offering enhanced durability, flexibility, and resistance in end products.
Pentaerythritol
Primary Uses
- Alkyd Resin Production
- Key raw material in manufacturing alkyd resins for paints, coatings, and varnishes.
- Improves hardness, gloss, and chemical resistance of coatings.
- Synthetic Lubricants
- Used in the formulation of high-performance lubricants and greases with enhanced thermal and oxidative stability.
- Explosives
- Employed as a precursor in the synthesis of pentaerythritol tetranitrate (PETN), a powerful explosive used in military and industrial applications.
- Plasticizers
- Acts as a raw material in producing plasticizers that improve flexibility and durability of plastics and rubber.
Secondary Uses
- Cosmetics and Pharmaceuticals
- Utilized as an intermediate in the synthesis of emollients and stabilizers for cosmetic formulations.
- Polyurethane Foams
- Used as a cross-linking agent in the production of rigid and flexible polyurethane foams.
- Adhesives and Sealants
- Improves adhesion and durability in specialty adhesives and sealants.
- Chemical Intermediates
- Serves as a building block for various chemical syntheses including alkyd resins, plasticizers, and stabilizers.
1. Basic Identification Attributes
- Chemical Name (IUPAC): Pentaerythritol
- Common/Trade Name: Pentaerythritol 98%
- CAS Number: 115-77-5
- HS Code: 2905.44.00 (Polyols)
- Synonyms: Pentaerythritol; Pentaerythrite
2. Physical & Chemical Properties
- Physical State: White crystalline powder
- Color & Odor: White; odorless
- Melting Point: 260–265°C (decomposes)
- Solubility: Soluble in water, alcohols; insoluble in hydrocarbons
- Molecular Formula: C5H12O4
- Molecular Weight: 136.15 g/mol
3. Safety & Hazard Attributes
- GHS Classification: Not classified as hazardous
- Toxicity: Low toxicity; handle with standard chemical precautions
- Exposure Limits: No specific occupational exposure limits
4. Storage & Handling Attributes
- Storage Conditions: Store in a cool, dry, well-ventilated area away from incompatible substances
- Container Type: Supplied in sealed bags or drums
- Shelf Life: 24 months if stored properly
- Handling Precautions: Avoid dust formation; use protective equipment when handling powder
5. Regulatory & Compliance Attributes
- Complies with international standards for chemical purity and safety
- Registered under relevant chemical safety regulations (e.g., REACH)
6. Environmental & Health Impact
- Biodegradability: Readily biodegradable
- Ecotoxicity: Low environmental risk when used as directed
- Bioaccumulation: Not expected
- Safety: Considered safe under recommended use
Safety Handling Precautions
- PPE Required: Use gloves, dust mask, and eye protection when handling powder
- Handling Guidelines: Avoid inhalation of dust; use in well-ventilated areas
- Storage Measures: Keep container tightly closed and dry
First Aid Measures
- Inhalation: Move to fresh air; seek medical attention if breathing difficulties occur
- Skin Contact: Wash thoroughly with soap and water
- Eye Contact: Rinse with plenty of water for at least 15 minutes; seek medical attention if irritation persists
- Ingestion: Rinse mouth; seek medical advice if large amounts are ingested
Firefighting Measures
- Fire Hazards: Non-flammable, but may decompose at high temperatures
- Extinguishing Media: Use water spray, foam, or dry chemical extinguishers
- Special Precautions: Avoid inhalation of decomposition products
- Hazardous Combustion Products: Carbon oxides and other toxic fumes may be released upon decomposition
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