Shanghai Uchem Co., Ltd. [China]

Detailed Product Description

Chemical Name: 2-Hydroxy-4-methoxybenzophenone-5-sulphonic acid;

CAS No.: 4065-45-6

Molecular Weight:  308.31

Molecular Formula: C₁₄H₁₂O₆S

Chemical Structure:

Application:   Ultraviolet light absorber in plastics, cosmetic.

Appearance:       White or light yellow crystalline powder

Purity:            99% min.

Heavy Metal:      5ppm max.

Colour(Gardner 10% aqueous solution):  1.0max.

Loss on drying:   3% max.

PH value:         1.2-2.2

Melting point:     140 min.

Turbidity in water (EBC):  1.5 Max.

Specific extinction:  E₂₈₅ ≥ 460  E₃₂₅ ≥ 290

UV Absorbance Max @325nm: 290 min