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114502 Sigma-Aldrich

Methyl Red sodium salt

ACS reagent, Dye content 95 %

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

  •  Colour Index Number 13020

  •  Beilstein Registry Number 4065488

  •  EC Number 212-682-9

  •  MDL number MFCD00002426

  •  PubChem Substance ID 24847176

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Properties

Related Categories Analytical Reagents, Analytical/Chromatography, Cell Biology, Hematology and Histology, Indicators,
grade   ACS reagent
InChI Key   GNTPCYMJCJNRQB-CMBBICFISA-M
composition   Dye content, 95%
visual transition interval   4.2 - 6.2, pink to yellow
absorption   λmax 437 nm

Description

Packaging

25, 100 g in glass bottle

Biochem/physiol Actions

Methyl Red is a pH indicator and it changes color at a pH of 5.5.

Safety & Documentation

Safety Information

RIDADR 
NONH for all modes of transport
WGK Germany 
3

Milli-Q® Water Purification Solutions
Protocols & Articles
Peer-Reviewed Papers
15

References

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