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.

Specifications

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°C min.

Turbidity in water(EBC):  1.50 Max.

Specific extinction:  E285 ≥ 460  E325 ≥ 290

UV Absorbance Max @285nm: 460 min

UV Absorbance Max @325nm: 290 min