Electroplating and Electronic Chemicals
4,4'-DIHYDROXYDIPHENYL SULFONE
Product Name

4,4'-DIHYDROXYDIPHENYL SULFONE

Molecular Structure

Other Name

4,4'-sulfonyldiphenol; Phenol, 4,4‘-sulfonylbis-;
4,4'-Sulfonyldiphenol;
4-(4-hydroxyphenyl)sulfonylphenol;

CAS No

80-09-1

Molecular Formula

C12H10O4S

 

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)

≥99.9%

≥99.8%

≥99.7%

≥99.5%

≥98%

≥97%

≥96%

≥95%

2,4'- Dihydroxydiphenyl sulfone Purity(HPLC)

≤0.1%

≤0.2%

≤0.3%

≤0.5%

≤2%

≤3%

≤4%

≤4%

Melting Point,℃

246-250

246-250

246-250

245-250

243-248

243-248

238-245

220-230

Moisture

≤0.1%

≤0.1%

≤0.5%

≤0.5%

≤0.5%

≤0.5%

≤1.0%

≤1.0%

Color

10-20

20-30

100-150

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

Packing:Packed in knitted bag lined with PE bag, 25kgs or above 500kgs big bags etc or according customer's requirements.
Product Usage:It 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.

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