Products / pH Indicators

METHYL RED SODIUM SALT (ACS GRADE) Print Download

C.A.S. No. 845-10-3
CI NO. 13020
M.F. C15H14N3O2Na
M.W. 291.29gm/mole

Specifications:

Dye Content (by Spectrophotometry) >90%
Solubility 0.1%(Dist. water) Clear solution
Transition Range pH 4.5-6.2
Violet red- Brownish Yellow
Absorption maximum (Dist. water) ?max 430-440nm
Absorptivity (A1%/1cm in Dist. water) at ?max >580
Loss On Drying (110°C) <5%

Chemical Name

Benzoic acid, 2-((4-(dimethylamino)phenyl)azo)-, sodium salt

InChI Key

GNTPCYMJCJNRQB-UHFFFAOYSA-M

Solubility

Water soluble (10 g/l, H2O, 25 °C). Alcohol soluble

Product Description:

Methyl Red sodium salt is the sodium salt of Methyl Red. Methyl red is an indicator dye that turns red in acidic solutions. ...

Applications:

Chemicals and substances that impart color including soluble dyes and insoluble pigments. They are used in INKS; PAINTS; and as INDICATORS AND REAGENTS.It is used in microbiology in the Voges-Proskauer test to identify bacteria that produce stable acids through mixed acid fermentation of glucose. It is used in various FMCG goods like Optical Fibers, liquid crystal cells, holography, inks, toner,corrosion inhibitor, detergents.

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