METHYLENE BLUE AR (ZINC FREE) (C.I. NO. 52015)

METHYLENE BLUE AR (ZINC FREE) (C.I. NO. 52015)
Article No. Grade Purity Cas no. Molecular Formula Molecular Weight H.S. Code Shelf Life
M0136500025 AR 95% 61-73-4 C16H18CIN3SxH2O 319.859 (anhydrous basis) 3204.1351
60 Months

Physical Properties

Physical state at 20 °C

Solid

Colour

Dark green

Odour

13

Melting Point/ Freezing point [°C]

190 °C

Vapour density

13

Solubility in water [% weight]

Soluble in water

Specifications

Appearance:

 Dark blue, crystalline powder with a copper-coloured sheen, or green crystals with a bronze-coloured sheen

Loss on drying (at 105°C) :

 8.0 - 22.0%

Lead (Pb):

 Max. 0.001%

Iron (Fe):

 Max. 0.02%

Identity:

 Passes test

Assay:

 95.0 - 101.0%

Solubility:

 Passes test

Related Substances:

 Passes test

Substance insoluble in methanol:

 MAX. 1.0%

Zinc (Zn):

 Max. 0.01%

Sulphated ash (at 600°C):

 Max. 1.0%
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Globally Harmonized System of classification and Labelling of Chemicals (GHS)

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