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P4758 Sigma-Aldrich

Phenol Red sodium salt

Synonym: Phenolsulfonephthalein sodium salt

  • CAS Number 34487-61-1

  • Empirical Formula (Hill Notation) C19H13NaO5S

  • Molecular Weight 376.36

  •  Beilstein Registry Number 6260026

  •  EC Number 252-057-8

  •  MDL number MFCD00066901

  •  PubChem Substance ID 24898497

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Properties

Related Categories Analytical Reagents, Analytical/Chromatography, Cell Biology, Hematology and Histology, Indicators,
InChI Key   HKHYOKBQJILTEI-UHFFFAOYSA-M
visual transition interval   6.8 - 8.2, yellow to red
mp   285 °C (dec.) (lit.)

Description

Application

Suitable for use as a pH indicator.

Phenol Red sodium salt has been used as an indicator during single-guide RNA microinjection into one-cell stage zebrafish embryos.

Packaging

5, 25, 50 g in glass bottle

General description

Phenol Red sodium salt is widely used as a pH indicator. At a pH of 6.4 and below, phenol red solution will have a yellow color. At a pH of 8.2 and above, it will have a red color. It is commonly used in culture media to detect neutral to acidic pH changes.

Safety & Documentation

Safety Information

Personal Protective Equipment 
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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