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Methylene Blue 95% AR
C.I.No.52015 Confirming to Pharma Grade 3,7-bis(Dimethylamino)-phenothiazin-5-ium chloride, Basic Blue 9, Tetramethylthionine chloride

Product Code.
01721
Grade
Purity
95%
CAS No.
61-73-4
Molecular Formula
C16H18CIN3SxH2O
Molecular Weight
319.86
H.S.Code
3204.13510
Shelf Life
60 Months

Physical Properties

Physical state at 20 °C
Solid
Colour
Dark green
Odour
Odorless
Melting point/ Freezing point [°C]
190 °C
Vapour density
13
Solubility in water [% weight]
Soluble in water

Packaging

Specification

Appearance
Dark blue or green powder/crystals /Crystalline powder
Assay
95.0 - 101.0%
Identity
Passes test
Solubility
Passes test
Methanol insoluble substances
Max. 1.0%
Related Substances
Passes test
Iron (Fe)
Max. 0.02%
Lead (Pb)
Max. 0.001%
Zinc (Zn)
Max. 0.01%
Sulphated ash (at 600°C)
Max. 1.0%
Loss on drying (at 105°C)
8.0 - 22.0%

Safety Information and Hazard Symbols

Symbol: GHS07
Signal Word: Warning
Hazardous Statement: H302