2-Hydroxy-4-methoxybenzophenone-5-sulfonic acid CAS NO.4065-45-6

Ultraviolet absorber UV-284 Synonym : 2-Hydroxy-4-Methoxy-Benzophenone-5-sulfonate, Benzophenone-4 Product Standard Code : Q/XJ?j4-2001 Proper…

Ultraviolet absorber UV-284 Synonym : 2-Hydroxy-4-Methoxy-Benzophenone-5-sulfonate, Benzophenone-4 Product Standard Code : Q/XJ?j4-2001 Property : Yellowish powder, soluble in water, forming 5 -molecule crystal water after absorbing moisture. 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 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.