METHYLENE BLUE HYDRATE

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

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

MSDS

Certificate of Analysis (COAs)

Physical state at 20 °C

Solid

Colour

Dark green

Odour

Odorless

Melting point/ Freezing point [°C]

190 °C

Vapour density

Solubility in water [% weight]

Soluble in water

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%

Symbol: GHS07
Signal Word: Warning
Hazardous Statement: H302
Precaution Statement: P264 - P270 - P301 + P312 + P330 - P501

Revision Date : 06-Oct-2021