CAS NO: | 1843-05-6 | Purity: | 99% |
---|---|---|---|
Melting Point: | 47-49°C | Loss On Drying:: | ≤ 0.5% |
Ash: | ≤ 0.1% | FORM: | POWDER |
High Light: | antioxidant 1010,uv 326 |
High quality Ultraviolet Absorbent UV-531 for polyolefine, polystyrene, polyester CAS NO 1843-05-6
Ingredients: 2-hydroxy-4-(octyloxy)benzophenone
Molecular formula:C21H26O3
Molecular weight:326
CAS NO.: 1843-05-6
Chemical structural formula:
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 | Benzene | Methyl alcohol | n-Heptane | Alcohol (95%) | Hexane | Water | |
Solubility | 74 | 72 | 2 | 40 | 2.6 | 40.1 | <0.5 |