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Methylene Blue CAS# 61-73-4

Chemical Name：Methylene Blue

CAS No.:61-73-4

Appearance:Green Liquid

Molecular Formula：C16H18ClN3S

Molecular weight:319.85

Sample: Available

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Product Details

Products Description of Methylene Blue CAS# 61-73-4

Methylene blue (61-73-4) industrial product purity ≥ 99%, flammable green crystalline powder with no odor. Melting point 190℃(dec.), boiling point unreported. Vapor pressure unreported, relative density 1.0g/mL (20℃). Solubility in water 40g/L (20℃), soluble in ethanol. Stable, incompatible with strong oxidants.

Parameters

Melting point	190 °C (dec.)(lit.)
density	1.0 g/mL at 20 °C
refractive index	n20/D1.347
Fp	45 °C
storage temp.	room temp
solubility	Soluble in water, ethanol, ethylene glycol, methyl cellosolve
pka	2.6, 11.2(at 25℃)
form	Liquid
Colour Index	52015
color	Green
Specific Gravity	0.98
Odor	Odorless
Water Solubility	40 g/L (20 ºC)
λmax	661 nm
Merck	14,6060
BRN	3641570
Biological Applications	Detecting microorganisms; treating diabetic retinopathy,macular degeneration,malignant uveal melanomas,erysipelas,hidradenitis suppurativa,inflammation,skin diseases
NIST Chemistry Reference	Methylene blue(61-73-4)
EPA Substance Registry System	Methylene blue (61-73-4)

Safety Information

Hazard Codes	Xn
Risk Statements	10-41-22-20/21/22-36/37/38
Safety Statements	26-39-36
RIDADR	UN 1993 3/PG 3
WGK Germany	3
RTECS	SP5740000
HS Code	32049010
Hazardous Substances Data	61-73-4(Hazardous Substances Data)
Toxicity	LD50 oral in rat: 1180mg/k

Product Application of Methylene Blue CAS# 61-73-4

Methylene Blue, 1% w/v aqueous solution is used as a dye in different staining procedures viz. Wright's stain and Jenner's stain. It also serves as an indicator and medicine. Further, it is used to examine RNA and DNA under the microscope or in a gel. It is widely used as a redox indicator in analytical chemistry. It is also used in the sulfide analysis.

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