Description
4,4′-Diaminodiphenylsulfone
4,4′-Diaminodiphenylsulfone Quick Details
Chemical Name: 4,4′-Diaminodiphenylsulfone; Bis(4-aminophenyl) Sulfone; Dapsone; 4 4-DDS
CAS: 80-08-0
Molecular Fomula: C12H12N2O2S
Molecular Weight: 248.3
Chemical Structure:
Appearance: White crystalline powder
Assay: 99%min
4,4′-Diaminodiphenylsulfone Typical Properties
Item
Specifications
Appearance
White or white crystalline powder
Content
≥99% （HPLC）
Melting point
175-181℃
PH
6.5-7.5
Iron ions
≤0.2ppm
More than foreign bodies (0.5 mm)
0
Between foreign bodies (0.5 mm to 0.2 mm)
20 the following
Foreign bodies (below 0.2 mm)
30 the following
Dry weight loss
≤0.2%
Soluteon colour and lustre
NO: ≤100 （APHA）
4,4′-Diaminodiphenylsulfone Usage
Used as gas chromatographic stationary liquid, organic synthetic intermediate and curing agent of epoxy resin
4,4′-Diaminodiphenylsulfone Packaging
25kg/drum
4,4′-Diaminodiphenylsulfone Storage
keep low-temperature and keep drying
4,4′-Diaminodiphenylsulfone Shelf life
12 month with package
