Ultraviolet absorber UV-531Ultraviolet absorber UV-531Ultraviolet absorber UV-531Name:Ultraviolet absorber UV-531(BP-12)
Chemical Name:2-Hydroxy-4-Octyloxy
Benzophenone
CAS # : 1843-05-6
Structural Formula :
Property : ①Yellowish crystals;
②Yellowish fine powder
freely soluble in benzene, n-hexane, acetone, slightly soluble in ethanol, very slightly soluble in ethane dichloride.
Specification
Content:≥99 %
Melting Point: 47~49 °C
Ash: ≤ 0.1 %
Light Transmittance:(450nm- 500nm)≥93 %
Use :
It is capable of strongly absorbing ultraviolet radiation with the wavelength of 300~375nm, and has low volatility, being almost colorless. It is compatible with most of the polymers, particularly with polyolefin, also applicable to polystyrene, polyester, acrylic fiber etc. with the general dosage of 0.2-0.6%.
Package : Paper drum,25kg/drum
Precaution : No toxicity kept away from moisture and fire in transportation; stored and transported as common chemicals with relatively good stability.