Engineering Plastics UV Absorber P CAS 2440-22-4

• Customization: Available
• Certification: REACH
• Color: Yellow
• Model NO.: UV-P
• Appearance: Granulars
• Flash Point: 205
• Storage and Transport: Keep Container Tightly Closed. Avoid Ingestion and
• Transport Package: 25kg/Carton
• Specification: 98%
• Trademark: DEBORN
• Origin: China
• HS Code: 381220
• Production Capacity: 100mt/Month

Product Description

Synonyms: 2-(2-Benzotriazolyl)-4-methylphenol; 2-(2-Hydroxy-5-methylphenyl)benzotriazole; 2-(2-Hydroxy-5-methyl-phenyl)benzotriazole; 2-(2H-Benzotriazol-2-yl)-p-cresol; Drometrizole; UV Absorber-1; Benazol P
 

Molecular formula: C₁₃H₁₁N₃O

Molecular weight: 225.3

CAS NO.: 2440-22-4

Chemical structural formula: 

Appearance: white to light yellow crystal powder
Content: ≥ 99%
Melting point: 128-130 °C
Loss on drying: ≤ 0.5%
Ash: ≤ 0.1%

Light transmittance: 

Wave length nm Light transmittance %  

440 ≥ 97  

500 ≥ 98 

Toxicity: low toxicity, rattus norvegicus oral LD50 >5g/Kg weight. 

Use: This product is suitable in polyester, epoxy cellulose acetate, Polyvinyl chloride, organic glass and others. Max absorption wave length range is 270-380nm. 
 
General dosage: thin products: 0.1-0.5%, thick products: 0.05-0.2%. 
1. Unsaturated Polyester: 0.2-0.5wt% based on polymer weight
2. PVC: 
Rigid PVC: 0.2-0.5wt% based on polymer weight
Plasticized PVC: 0.1-0.3wt% based on polymer weight
3. Polyurethane: 0.2-1.0wt% based on polymer weight
4. Polyamide: 0.2-0.5wt% based on polymer weight