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114529 Sigma-Aldrich

Phenol Red

ACS reagent

Synonym: Phenolsulfonphthalein

  • CAS Number 143-74-8

  • Empirical Formula (Hill Notation) C19H14O5S

  • Molecular Weight 354.38

  •  Beilstein/REAXYS Number 326470

  •  EC Number 205-609-7

  •  MDL number MFCD00003552

  •  PubChem Substance ID 24847179

  •  NACRES NA.47

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Properties

Related Categories Analytical Reagents, Analytical/Chromatography, Cell Biology, Hematology and Histology, Indicators,
Quality Level   200
grade   ACS reagent
form   powder
clarity of soln   passes test
application(s)   hematology: suitable
  histology: suitable
  titration: suitable
visual transition interval   6.8 - 8.2, yellow to red
λmax   360 nm
  557 nm (2nd)
ε (extinction coefficient)   ≥10000 at 288-294 nm in H2O
  ≥55000 at 555-561 nm in H2O
  ≥7000 at 357-363 nm in H2O
Featured Industry   Diagnostic Assay Manufacturing
storage temp.   room temp
SMILES string   Oc1ccc(cc1)C2(OS(=O)(=O)c3ccccc23)c4ccc(O)cc4
InChI   1S/C19H14O5S/c20-15-9-5-13(6-10-15)19(14-7-11-16(21)12-8-14)17-3-1-2-4-18(17)25(22,23)24-19/h1-12,20-21H
InChI key   BELBBZDIHDAJOR-UHFFFAOYSA-N

Description

Application

Phenol Red has been used for the preparation of phenol red gavage meal for measurement of gastric emptying in rats.

Suitable for use as a pH indicator.

Packaging

5, 25 g in glass bottle

Biochem/physiol Actions

Phenol Red is a pH indicator which changes color from yellow to red.

Safety & Documentation

Safety Information

Personal Protective Equipment 
RIDADR 
NONH for all modes of transport
WGK Germany 
WGK 3
RTECS 
SJ7490000
Flash Point(F) 
Not applicable
Flash Point(C) 
Not applicable

Documents

Certificate of Analysis (COA)

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Certificate of Origin (COO)

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Protocols & Articles

Protocols

Hand-casting gels for PAGE and SDS-PAGE using TurboMix™ Bis-Tris Gel Casting Kits

Polyacrylamide gel electrophoresis (PAGE) is a foundational technique used to separate proteins and other macromolecules by their electrophoretic mobility. Polyacrylamide gels are formed through the ...
Keywords: Alkylations, Cell disruption, Deaminations, Degradations, Electrophoresis, Gel electrophoresis, Nucleic acid denaturation, PAGE, Polymerization reactions, Sample preparations, Separation, Titrations

Peer-Reviewed Papers
15

References

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