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Benzophenone-4 (UV-284)
CAS NO : 4065-45-6
Molecular Formula : C14H11O6S
Synonyms : 2-Hydroxy-4-methoxybenzophenone-5-sulfonic Acid Hydrate; BP-4; 2-Hydroxy-4-Methoxy Benzophenone-5-Sulfonic acid;UV-284;
Appearance: Off-white or light yellow crystalline powder
Assay: ≥99.0
Melting Point: ≥140°C
Specific Extinction(1%,1cm):
E325: ≥290
Loss on drying: ≤3.0%
Gardner color: ≤2.0
Heavy metals: ≤5 ppm
Turbidity: ≤4.0EBC
PH value: 1.2~2.2
Non-toxic: without irritation to human body
Storage
Preserve under tight and light-resistant condition
Package
25kg fibre drum
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