UV Absorber UV-531 (BP-12) CAS No.: 1843-05-6

• CAS No.: 1843-05-6
• Formula: C21h26o3
• Certification: REACH
• Color: Yellow
• Kind: Stabilizer
• Appearance: Powder
• Model NO.: BP12
• Dosage: 0.2-0.6%
• Transport Package: 25kg/Carton
• Specification: 99%
• Trademark: DEBORN
• Origin: China
• HS Code: 381220
• Production Capacity: 100mt/Month

Product Description

Ingredients: 2-hydroxy-4-(octyloxy)benzophenone
Molecular formula:C21H26O3
Molecular weight:326
CAS NO.: 1843-05-6



Technical index:
Appearance:light yellow crystal powder
Content: ≥ 99% 
Melting point: 47-49°C
Loss on drying: ≤ 0.5% 
Ash: ≤ 0.1%
Light transmittance: 

Wave length nm	Light transmittance %
450	≥ 90
500	≥ 95

Toxicity: almost non-toxic,rattus norvegicus oral LD 50 =12g/Kg weight. 
Use: This product is mainly used in polyolefine, polystyrene, polyester, polyamide glue and others. Man absorption wave length range is 300-375nm. 
General dosage 0.2-0.6% .
Solubility: 25°C unit:g/100mLsolvent 

solvent	Acetone	Benzene	Methyl alcohol	n-Heptane	Alcohol (95%)	Hexane	Water
Solubility	74	72	2	40	2.6	40.1	<0.5