Name: Ultraviolet absorber UV-284
Synonym : 2-Hydroxy-4-Methoxy-Benzophenone-5-sulfonate, Benzophenone-4
CAS # : 4065-45-6
Product Standard Code : Q/XJ·j4-2001
Molecular Formula :

Property : Yellowish powder, soluble in water, forming 5 -molecule crystal water after absorbing moisture.
Specification :
Content (calculated as dry basis) ≥99%
Boiling Point : 109-110 °C
Loss on drying ≤5%
Light Absorbing Coefficient: e ₂₈₅ ≥460
pH: 1.2~2.2 (1% water solution )
Chroma ≤ 4.0
Use : This product is a water-soluble ultraviolet radiation-absorbing agent with a wide spectrum and the maximum light-absorbing wavelength of 288nm. It has the advantages of high absorbing efficiency, no toxicity, and no allergy-causing and no deformity-causing side effects, good light stability and heat stability etc. Moreover it can absorb UV-A and UV-B, being class I sun protection agent, added in cosmetics with the dosage of 5-8%.
Package : High-pressure cardboard drums lined with plastic membrane bags with the capacity of 25 kg.
Precaution : Low toxicity, kept away from moisture and fire in transportation; stored and transported as common chemicals. It is stable in storing and transportation.

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