SULFANILAMIDE CRYSTALS
CAS NO. 63-74-1 HS No.2935009090 |
| Popular Name: |
C-SN |
| Chemical Name: |
P - Aminobenzene Sulfonamide. |
| Structure Formula: |
 |
| Molecular Formula: |
C6H8O2N2S=172.21 |
| Specifications: |
BPC 1968 BPC 1968(free dapson), BPC 1968(micron powder),NFXI EPV WS1-77B-89. |
| Packing: |
25Kg 500Kg/Bag(Braided Bag) 25Kg/Drum(Fibre Drum) 25KG (Carton Box) or as per customer’request |
| Storage: |
store in cool and dry places avoided light. |
| Applications: |
sulfas, outer drug in use for inhibiting inflammation. |
Items |
BPC1968 |
NFX1 |
EPV |
BPC1968(special) |
WS1-77B-89 |
Appearance |
White or almost white crystalline powder |
White or almost white granules |
Assay |
≥99.0% |
≥99.0% |
≥99.0% |
≥99.0% |
≥99.0% |
≥99.0% |
≥99.0% |
Melting point |
164.5～166.5℃ |
164.5～166.5℃ |
164.5～166.0℃ |
164.5～166.5℃ |
164.5～166.5℃ |
164.5～166.5℃ |
164.5～166.5℃ |
Loss on drying |
≤0.50% |
≤0.50% |
≤0.50% |
≤0.50% |
≤0.50% |
≤0.50% |
- |
Chloride |
≤0.035% |
≤0.035% |
/ |
≤0.035% |
≤0.010% |
≤0.035% |
- |
Sulfate |
|
≤0.04% |
|
|
|
|
|
Heavy metals |
≤0.001% |
≤0.002% |
≤0.002% |
≤0.001% |
≤0.001% |
≤0.001% |
≤0.002% |
Acidity |
Accord with |
Accord with |
Accord with |
Accord with |
Accord with |
Accord with |
Accord with |
Sulphated ash |
≤0.10% |
≤0.10% |
≤0.10% |
≤0.10% |
≤0.10% |
≤0.10% |
≤0.10% |
Alkali-insoluble matter |
Clear |
/ |
/ |
Clear |
Clear |
Clear |
－ |
Iron |
≤0.004% |
－ |
/ |
≤0.004% |
≤0.001% |
≤0.004% |
－ |
Related substance |
/ |
/ |
≤0.5% |
/ |
/ |
/ |
/ |
Dapsone |
/ |
/ |
/ |
Not detected |
Not detected |
/ |
|
As |
/ |
/ |
/ |
/ |
≤0.001% |
/ |
|
Identification |
Accord with |
Accord with |
Accord with |
Accord with |
Accord with |
Accord with |
Accord with |
Particle size |
=850um(sieve (2#) residue) |
/ |
/ |
/ |
/ |
/ |
≤10um |
≤0.5% |
≤180um (5#sieve) |
/ |
/ |
/ |
/ |
/ |
≤15% |
|
