Specification |
Product Name |
AZUR B |
Synonyms |
N,N,N’-Trimethylthionin; Azure I; Methyleneazure |
C.I. NO. |
52010 |
CAS NO. |
531-55-5 |
Molecular Formula |
C15H16CIN3S |
Molecular Weight |
305.83 |
Appearance |
Dark Green or Black Powder |
Structure |
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Tests |
Limits |
Assay |
- Minimum 75% |
Solubility (0.1% aq.)
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- Clear blue solution
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Absortivity 1% 1cm at Lambda max. 645nm |
- > 1500: |
Loss on drying at 110 deg. C (1Hr) |
- 8% maximum |
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REVISED: 1-1-2012 |
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