Wuhan Shengmao Corporation

Main Products :

Chlorendic Acid, Chlorendic Anhydride, Diphenul Sulfone, 4,4’-Dihydroxybenzophenone, 4,4'-dihydroxydiphenyl Sulfone, PEEKK

	Fire Retardant Series
	Special plasticizers and Phenylsulfonyl Series
	Super Engineering Plastic Monomer
	Super Engineering Plastic Resin
	UV Absorber and Light Stabilizer
	Fine chemical products and Intermediate
	Pharmaceutical Raw Material

PRODUCTS >Super Engineering Plastic Monomer

4,4’-Dihydroxybenzophenone

Specifications:

Assay item	Index
Appearance	Off-white Crystalline Powder
Contamination	Less than 30 prticles each less than 0.1mm²
Purity	99.50% Min.
Melting Point	218-220°C
Loss on Drying	0.5%Max.
Ash	0.01% Max.
Fe	5ppm Max.
Na	20ppm Max
K	10ppm Max
Al	5ppm Max
S	5ppm Max
Volatile Matter	0.05% Max