Description
C16H18ClN3S·H2O
C.I. Basic Blue 9, Tetramethylthionine Chloride
M.W: 319.85 CAS: 122965-43-9 EC: 200-515-2 TARIC: 32041300
H: H302 
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- Appearance ≤ Dark blue, crystalline powder with a copper-coloured sheen, or green crystals with a bronze-coloured sheen
- Assay 95.0 – 101.0%
- Identity ≤ passes test
- Solubility ≤ passes test
- Methanol insoluble subtances ≤ 1.0%
- Related substances ≤ passes test
- Iron (Fe) ≤ 0.02%
- Lead (Pb) ≤ 0.001%
- Zinc (Zn) ≤ 0.01%
- Sulphated ash (at 600ºC) ≤ 1.0%
- Loss on drying (105 °C) 8.0 – 22.0%
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