Carbazole is a Carprofen (sc-205621) impurity also used in electrical materials. Carprofen (sc-205621) is a non-steroidal
antiinflammatory compound used for arthritis and joint deterioration research.
Application
Used as an intermediate for N-Vinyl carbazole plastics and pesticides such as tetranitrocarbazol, Carbazole chloride.
Used in the production of leather, dyes, pigments, photoconductor, photographic materials, special ink, etc.
Specification
Item |
Standard |
Result |
Appearance |
Colorless crystal |
conforms |
Melting Point |
169-172°C |
169.5-171.2°C |
Loss on Drying |
0.5%Max |
0.26% |
Residue on Ignition |
≤1.0% |
0.65% |
1,2,3,9-tetrohydro-4H-carbazole-4-one |
≤1.0% |
0.64% |
Heavy Metal |
≤10ppm |
<10ppm |
Assay (HPLC) |
99.0%Min. |
99.27% |
Conclusiodn |
Conforms to the standard |
|
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