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Benzophenone-4 (UV-284)

CAS NO : 4065-45-6

EC NO : 223-772-2

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):

                 E285:   ≥460

                 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


Preserve under tight and light-resistant condition


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