Quick Details
Chemical Name: 4,4′-Diaminodiphenylsulfone; Bis(4-aminophenyl) Sulfone; 4 4-DDS
CAS: 80-08-0
Molecular Fomula: C12H12N2O2S
Appearance: White crystalline powder
Assay: 99%min
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% |
Solute on colour and lustre |
NO: ≤100 (APHA) |
Usage
Used as gas chromatographic stationary liquid, organic synthetic intermediate, and curing agent of epoxy resin
Packaging
25kg/drum
Storage
keep low temperature and keep drying
Shelf life
12 months with packages.