Ultraviolet Absorbent UV-531(BP-12)

Ultraviolet Absorbent UV-531(BP-12)Chemical Name2-Hydroxy-4-n-Octoxy BenzophenoneChemical FormulaC21H26O3CAS NO.1843-05-6Structural FormulaMain IndexesAppearance: 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:40.1Characteristics and UsesThis product 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. Moreover, it has very good light-stability effect on drying phenol aldehyde, varnish of alcohol and acname, polyurethane, acrylate, expoxnamee etc. Its dosage is 0.1%-0.5%.Storing and PackingThis product is nontoxic, inflammable, noncroddible and well stable, packed in cardboard drums lined with plastic bags with the net capacity of 20 kg per bag, or according to customers’ requirements.