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Tiansorb 531 |
CAS NO.: |
1843-05-6 |
Chemical name: |
2-hydroxy-4-(octyloxy)benzophenone |
Molecular Formula: |
C21H26O3 |
Molecular weight: |
326 |
Structural Formula: |
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Specification : |
Appearance |
light yellow crystalline powder |
Assay(GC) |
99.0%min |
Melting point |
47-49℃ |
Volatile |
0.25%max |
Ash |
0.1%max |
Solubility(25°C)
(g/100g solvent) |
Acetone 74,Benzene 72, Methanol 2,
Ethanol (95%) 2.6,n-heptane 40,n-hexane 40.1 |
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Uses: |
Tiansorb 531 is a light stabilizer with good performance, capable of absorbing the UV radiation of 240-340 nm wavelength with the characteristics of light color, nontoxic , good compatibility, small mobility, easy processing etc. It can protect the polymer to its maximum extent, helps to reduce the color. It can also delay the yellowing and obstacle the loss of its physical function. It is widely applied to PE,PVC,PP,PS,PC organic glass, polypropylene fiber, ethylene-vinyl acetate etc. |
Dosage: |
0.1-0.5% |
Toxicity and safety: |
It can be safely handled without any irritation to the skin. LD50: 10,000mg/kg |
Packing: |
Packed in cardboard drums or paper carton with the net capacities of 20 kg per bag or as required by the customers. |
Storage: |
It should be stored in a close system and kept in a dry, close and shade place. |
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