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72210 Sigma-Aldrich

Neutral Red

for microscopy (Bact., Bot., Fl., Hist., Vit.), indicator (pH 6.8-8.0)

Synonym: 3-Amino-7-dimethylamino-2-methylphenazine hydrochloride, Basic Red 5, Toluylene red

  • CAS Number 553-24-2

  • Empirical Formula (Hill Notation) C15H17ClN4

  • Molecular Weight 288.78

  •  Beilstein Registry Number 3918740

  •  Colour Index Number 50040

  •  EC Number 209-035-8

  •  MDL number MFCD00012651

  •  PubChem Substance ID 329763896

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Properties

Related Categories Analytical Reagents, Analytical/Chromatography, Indicators, Microscopy Reagents, Redox Indicators,
grade   for microscopy (Bact., Bot., Fl., Hist., Vit.)
  indicator (pH 6.8-8.0)
InChI Key   PGSADBUBUOPOJS-UHFFFAOYSA-N
pH range   6.8 - 8.0, red to yellow
mp   290 °C (dec.)(lit.)

Description

Application

Useful as an indicator for preparing neutral red paper, and as a biological stain.

Price and Availability


Laboratory Gloves
Safety & Documentation

Safety Information

RIDADR 
NONH for all modes of transport
WGK Germany 
3
RTECS 
SG1400000

Documents

Certificate of Analysis

Protocols & Articles
Peer-Reviewed Papers
15

References

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