Chemical name: 2-Hydroxy-4-Methoxy Benzophenone-5-sulphonic acid, Benzophenone-4 (BP-4,UV-284)
Molecular Formula: C14H12O6S
CAS No.:4065-45-6
Specifications:
Appearance: Off-white or light yellow crystalline powder
Assay:≥99.0
Melting Point:≥140ºC
Specific Extinction(1%,1cm):
E285:≥460
E325:≥290
Loss on drying:≤3.0%
Gardner color:≤2.0
Heavy metals:≤5 ppm
Turbidity:≤ 4.0 EBC
PH value:1.2~2.2
Property & Use: The product is non-toxic, non-inflammable, non-explosive. It can be widely used as UV light absorber for water base polymer coating. The dosage is 0.2-1.5%.
Storage condition: Preserve under tight and light-resistant condition
Package: 25kg /drum
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