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| Ultraviolet absorbent UV-531 |
Ingredients:
2-hydroxy-4-(octyloxy)benzophenone
Molecular formula:C21H26O3
Molecular weight:326
CAS NO.: 1843-05-6
Chemical structural formula: 
Sale code: PS-531
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 |
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