METHYLENE BLUE AR

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

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Article No.
04646
Grade
AR
Purity
95%
CAS No.
61-73-4
Molecular Formula
C16H18CIN3SxH2O
Molecular Weight
319.859 (anhydrous basis)
H.S. Code
3204.1351
Shelf Life
60 Months
MSDS
 

 

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

Packings

  • 1PB1200060

    25 g (00025)

  • 1PB1200200

    100 g (00100)

  • 1000 g (01000)

 

Specifications

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 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

Exclamation Mark
Symbol: GHS07
Signal Word: Warning
Hazardous Statement: H302
Precaution Statement: P264 - P270 - P301 + P312 + P330 - P501
Revision Date : 14-Aug-2020
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