Product Description

~4,4'-Dihydroxydiphenyl Sulfone
Product Name 4,4'-Dihydroxydiphenyl Sulfone Molecular Structure 
Other
Name 4,4'-sulfonyldiphenol; Phenol, 4,*-sulfonylbis-;
4,4'-Sulfonyldiphenol;
*-(*-hydroxyphenyl)sulfonylphenol;  
CAS No ******1  
Molecular Formula C*2H*0O4S  
 
Check-Point Specification
 High Pure Product 1 High Pure Product 2 Pure Product Ordinary Product Purified Product Purified Product Crude
Product  -B Crude
Product  -A
Appearance Colorless and needlelike crystal or white powder.
4,4'- Dihydroxydiphenyl sulfone Purity (HPLC) ≥*9.9% ≥*9.8% ≥*9.7% ≥*9.5% ≥*8% ≥*7% ≥*6% ≥*5%
2,4'- Dihydroxydiphenyl sulfone Purity(HPLC) ≤0.1% ≤0.2% ≤0.3% ≤0.5% ≤2% ≤3% ≤4% ≤4%
Melting Point,ƒ ******0 ******0 ******0 ******0 ******8 ******8 ******5 ******0
Moisture ≤0.1% ≤0.1% ≤0.5% ≤0.5% ≤0.5% ≤0.5% ≤1.0% ≤1.0%
Color ****0 ****0 ******0 White powder  White powder White to Off-White powder Pink or Brown Powder Pink or Brown Powder
classification by use In the PES, Polycarbonate and Epoxy resin etc. In the manufacture of heat sensitive materials and High-grade auxiliaries synthesis In the manufacture of printing & dyeing auxiliaries and leather tannic agent
Packing¼šPacked in knitted bag lined with PE bag, *5kgs or above **0kgs big bags etc or according customer's requirements.
Product Usage¼šIt is widely used as the raw material of polycarbonate, epoxy resin, polyether sulfone, Thermal Material and also as the intermediate of dyes, medicine, fire retardant and weave auxilianries etc.