- Min.Order :1 Kilogram
- Purity: 99%
- Payment Terms : L/C,T/T
Keywords
56-75-7 Chloramphenicol 2,2-dichloro-n-[2-hydroxy-1-(hydroxymethyl)-2-(4-nitrophenyl)ethyl]acetamide
Quick Details
- Appearance:White powder
- Application:Pharmaceutical Intermediate
- PackAge:drum
- ProductionCapacity:1000|Metric Ton|Year
- Storage:RT.
- Transportation:By sea or by air
Superiority:
Product Name: chloramphenicol
Appearance : White or slightly yellowish white fine crystalline powder or needles
Cas No.: 56-75-7
Form: White or slightly yellowish white
Purity: >99%
Molecular weight:323.1294
Details:
|
Item |
Standard |
Test Result |
|
Description |
white or yellohreen needle, long-flake crystal or powder |
Conforms |
|
white needle-like crystals or elongated plates |
||
|
Identification |
The reaction is positive |
The reaction is postitive |
|
Melting poin |
149 ~ 153°C |
150°C |
|
Assay |
98.5 ~ 102% |
99.90% |
|
Loss on drying |
≤0.5% |
0.20% |
|
Residuc on ignition |
≤0.1% |
0.07% |
|
PH |
5.0 ~ 7.5 |
6.9 |
|
Specific rotation |
+18.5 ~ +20 ° |
+19.6° |
|
Heavy metals |
≤0.001% |
0.0005% |
|
Related substances |
The any secondary spot ≤0.5% |
<0.5% |
|
total≤0.2% |
Total <2% |
|
|
Chloride |
≤0.005% |
0.00% |
|
Crystallinity |
Meets the requirements |
Conforms |
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