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HomeProduct name listCresol Red

Cresol Red

Synonym(s):o-Cresolsulfonphthalein;Cresol red;o-Cresolsulfonphthalein

  • CAS NO.:62625-29-0
  • Empirical Formula: C21H19NaO5S
  • Molecular Weight: 406.43
  • MDL number: MFCD00001618
  • EINECS: 263-654-8
  • SAFETY DATA SHEET (SDS)
  • Update Date: 2023-04-23 13:52:06
Cresol Red Structural

What is Cresol Red?

Chemical properties

Brown powder

The Uses of Cresol Red

Cresol Red sodium salt acts as a constituent of polymerase chain reaction reagent systems. It is useful as a pH indicator with color changes with pH 0.2 - pH 1.8 and pH 7.1 - 8.8. Further, it plays an important role in molecular biology reactions in place of other loading dyes.

Properties of Cresol Red

Melting point: 250 °C (dec.)(lit.)
storage temp.  Store at RT.
solubility  Solubility Soluble in water, ethanol
form  Powder
pka 1.0(at 25℃)
color  Brown
PH Range 0.2 (red) - 1.8 (yellow) and 7.2 (yellow) - 8.8 (red)
Water Solubility  SOLUBLE
λmax 425nm
Major Application Thermochromic materials, cosmetics, measurement of hydrophobicity of therapeutic drugs
CAS DataBase Reference 62625-29-0(CAS DataBase Reference)
EPA Substance Registry System Cresol red sodium salt (62625-29-0)

Safety information for Cresol Red

Signal word Warning
Pictogram(s)
ghs
Exclamation Mark
Irritant
GHS07
GHS Hazard Statements H302:Acute toxicity,oral
H315:Skin corrosion/irritation
H319:Serious eye damage/eye irritation
H335:Specific target organ toxicity, single exposure;Respiratory tract irritation
Precautionary Statement Codes P261:Avoid breathing dust/fume/gas/mist/vapours/spray.
P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

Computed Descriptors for Cresol Red

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