Customization: | Available |
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Powder: | Yes |
Customized: | Customized |
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Product Name | 4,4'-Diaminodiphenylsulfone |
CAS No. | 80-08-0 |
EINECS | 201-248-4 |
Molecular Formula | C12H12N2O2S |
Molecular Weight | 248.3 |
Appearance | White Crystalline Powder |
ITEM
|
INDEX
|
Appearance
|
White powder
|
Identification
|
IR
|
Heavy metal
|
≤10ppm
|
Pb
|
≤3ppm
|
Hg
|
≤0.1ppm
|
Cd
|
≤1ppm
|
Loss on drying
|
≤0.5%
|
Residue on lgnition
|
≤0.1%
|
Single impurity
|
≤0.5%
|
Total impurity
|
≤1.0%
|
Total bacteria
|
≤1000cfu/g
|
Yeast and Mould
|
≤100 cfu/g
|
E.coli/25g
|
Absent
|
Salmonella/25g
|
Absent
|
Assay
|
≥99.0%
|
Conclusion
|
Conforms with USP/EP standards
|