Ultraviolet-Radiation Absorbing Agent UV-531
Chemical Name: 2-Hydroxy-4-n-Octoxy Benzophenone
Molecular Formula: C21H26O3
CAS NO. 1843-05-6
Structural Formula:
Main Chemical Indexes
Appearance | Light yellow needle-like powder |
Content | ≥99% |
Melting Point | 47-49°C |
Ash | <0.1% |
Light Transmittance | 450nm>90% 500nm>95% |
Solubility (25°C) (g/100g Solve NT) |
Acetone: 74 Benzene 72 Methanol: 2 Ethanol (95%):2.6 n-heptane:40 n-hexane:40.1 |
Characteristics and Uses:
This product is an antioxidant with good performance, capable of absorbing the UV radiation of 240-340 nm wavelength with the characteristics of light color,no toxicity, good compatibility, small mobility, easy processing etc.It is widely applied to PE,PVC,PP,PS,PC organic glass, polypropylene fiber, ethylene-vinyl acetate etc. Moreover, it has very good light-stability effect on drying phenol aldehyde, varnish of alcohol and acid, polyurethane, acrylate, expoxide etc. Its dosage is 0.1%-0.5%.
Storing and Packing:
This product is nontoxic, inflammable, noncroddible and well stable, packed in cardboard pails lined with plastic bags with the net capacity of 20 kg per bag, or according to customers' requirements.