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Product Details:
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| CAS NO: | 1843-05-6 | Purity: | 99% |
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| Melting Point: | 47-49°C | Loss On Drying:: | ≤ 0.5% |
| Ash: | ≤ 0.1% | FORM: | POWDER |
| High Light: | antioxidant 1010,uv 326 |
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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 | 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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