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METHYLENE BLUE HYDRATE For Microscopy

C.I.No.52015 Methylene blue is used as a dye for a number of different staining procedures, such as Wright's stain and Jenner's stain.
3,7-bis(Dimethylamino)-phenothiazin-5-ium chloride, Basic Blue 9, Tetramethylthionine chloride

Packings

25 g (00025)

100 g (00100)

1000 g (01000)

1PB1200060 1PB1200200
Article No. 04645 Grade For Microscopy
Purity 82% CAS No. 122965-43-9
Molecular Formula C16H18CIN3SxH2O Molecular Weight 319.859 (anhydrous basis)
H.S. Code 3204.1351 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

Specifications

Appearance Dark blue, crystalline powder with a copper-coloured sheen, or green crystals with a bronze-coloured sheen Dye content Min 82%
Absorption maxima in 50% ethanol 660 - 665 nm Specific absorptivity A1%/1 cm (λmax; 0.003 g/L; ethanol) 2250-2750
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: 06-Oct-2021

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