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Octabenzone
Classification :
PRODUCT DETAILS
Light yellow needle crystal powder.. Soluble in benzene, n-hexane, acetone, slightly soluble in ethanol, slightly soluble in dichloroethane.
Packing: 25 kg/ bag with inner plastic bag.
| Another name： |
2-Hydroxy-4-octyloxybenzophenone; UV absorber Chimassorb 81 |
Chemical formula： | C21H26O3 |
| Molecular weight: | 326.43 | EINECS No.: | 217-421-2 |
| Melting point： | 47-49 °C(lit.) | Light transmittance | 450nm>90% 500nm>95% |
| Boiling point | 457.9ºC at 760 mmHg | Flashing point: | 102℃ |
| Refractive index: | 1.547 | content | >99% |
| vapour pressure | 5.25E-09mmHg at 25°C | Density： | 1.160g/cm3 |
Application area:
1. UV absorber UV - 531. It has the greatest protection effect to polymer, and help to reduce the colour and lustre, delay the yellowing and block physical performance loss at the same time.
2. It is widely used in PE, PVC, PP, PS, PC, organic glass, polypropylene fiber and ethylene vinyl acetate, etc.
3. Mainly used as polyethylene, polypropylene, polyvinyl chloride (PVC), polyurethane rubber synthetic materials such as light stabilizer dosage of 0.1% 0.5%.
Caution of storage：
Avoid the sun, high light, humidity, avoid sulfur or halogen elements of the light stabilizer. It is necessary to store and store under tight and dry conditions.
Safety information:
Dangerous mark: Xi, N
Hazard type code: R36/37/38-50/53
Safety instructions: S26-36-61-60
UN 3077 9/PG 3
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