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69140 Sigma-Aldrich

Methyl Red sodium salt

ACS reagent, indicator (pH 4.2-6.2)

Synonym: 4-Dimethylaminoazobenzene-2′-carboxylic acid sodium salt, Acid Red 2

  • CAS Number 845-10-3

  • Empirical Formula (Hill Notation) C15H14N3NaO2

  • Molecular Weight 291.28

  •  Beilstein Registry Number 4065488

  •  Colour Index Number 13020

  •  EC Number 212-682-9

  •  MDL number MFCD00002426

  •  PubChem Substance ID 329761406

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Properties

Related Categories Analytical Reagents, Analytical/Chromatography, Indicators, Titration, pH Indicators - Solids More...
grade   ACS reagent
  indicator (pH 4.2-6.2)
InChI Key   GNTPCYMJCJNRQB-CMBBICFISA-M
visual transition interval   4.2 - 6.2, pink to yellow
solubility   H2O: soluble

Description

Other Notes

Same product — same quality — now Sigma-Aldrich brand

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Safety Information

WGK Germany 
3

Documents

Certificate of Analysis

Protocols & Articles
Peer-Reviewed Papers
15

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