99.5%min purity 4,4′-Diaminodiphenylsulfone(DDS/Dapsone) CAS 80-08-0 Bis(4-aminophenyl) sulfone (4-Aminophenyl sulfone)
| CAS NO. | 80-08-0 |
| Category | Intermediates for advanced composite materials |
| Chemical Name | 4,4'-Diamino Diphenyl Sulfone |
| Synonyms | 4-Aminophenyl sulfone，Bis(4-aminophenyl) sulfone |
| Molecular Formula | C12H12N2O2S |
| Molecular weight | 248.30 |
| Standard | Company standard or as customers specification for new design |
| Packing | 25kg fibre drums, 25kg/bag or as per requirements |
| Specifications | Appearance: white crystalline powder Purity: ≥99.5% MIN(HPLC) Melting point:175 - 181℃ Loss on drying: ≤0.2% PH value: 6.5 - 7.5 |
| Application | 1. for polysulfone amide and other polymers2. as epoxy hardener3. as adhesives
4. as gas chromatography 5. for anti-leprosy drug The above usages mainly involve in aerospace industry, laminates industry, insulated materials, weaving machines and pharmaceutical |
| Recommend product | 4,4′-Dichlorodiphenyl Sulfone CAS 80-07-9 Bis(4-Chlorophenyl) Sulphone Powder |
|
ITEM OF TEST |
SPECIFICATION |
RESULTS |
|
|
APPEARANCE |
WHITE TO ALMOST WHITE CRYSTALLINE POWDER |
CONFORM |
|
|
PURITY |
≥99.0% (HPLC) |
99.51% |
|
|
MELTING POINT |
175-181℃ |
178.2-178.8℃ |
|
|
IRON ION |
≤0.5mg/kg |
CONFORM |
|
|
IMPURITY |
≥0.5mm |
0 |
CONFORM |
|
0.5mm-0.2mm |
≤20 |
CONFORM |
|
|
≤0.2mm |
≤30 |
CONFORM |
|
|
LOSS ON DRYING |
≤0.2% |
0.09% |
|
|
COLOUR OF SOLUTION |
APHA NO: ≤40 |
20 |
|
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