Home Categories Dyes and Pigments Methylene blue
A4223714

Methylene blue , 0.05% , 61-73-4

Synonym(s):
Methylene blue;Methylthioninium chloride;Basic Blue 9;Methylene Blue hydrate;Methylene Blue solution

CAS NO.:61-73-4

Empirical Formula: C16H18ClN3S

Molecular Weight: 319.85

MDL number: MFCD00012111

EINECS: 200-515-2

Pack Size Price Stock Quantity
250ml RMB390.40 In Stock
others     Enquire
Update time: 2022-07-08

PRODUCT Properties

Melting point: 190 °C (dec.)(lit.)
Density  1.0 g/mL at 20 °C
refractive index  n20/D1.347
Flash point: 45 °C
storage temp.  room temp
solubility  Soluble in water, ethanol, ethylene glycol, methyl cellosolve
form  Liquid
pka 2.6, 11.2(at 25℃)
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)

Description and Uses

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.

Safety

Symbol(GHS) 
GHS07
Signal word  Warning
Hazard statements  H302
Precautionary statements  P264-P270-P301+P312-P501
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/kg

RELATED PRODUCTS