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Alfa Aesar™ m-Cresol Purple

$63.57 - $235.51

Chemical Identifiers

Chemical Name or Material m-Cresol Purple
CAS 2303-01-7
Molecular Formula C21H18O5S
Formula Weight 382.44
MDL Number MFCD00005871
Beilstein 350314
Merck Index 14,2577
Synonym m-Cresolsulfonephthalein
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Products
Catalog Number Mfr. No. Quantity Price Quantity    

AAB2433806

  SDS
alfa aesar™
B2433806
5g Each for $63.57

AAB2433814

  SDS
alfa aesar™
B2433814
25g Each for $235.51
Description & Specifications

Specifications

Formula Weight 382.44
Chemical Name or Material m-Cresol Purple
Quantity 5g
TSCA TSCA
Molecular Formula C21H18O5S
MDL Number MFCD00005871
CAS 2303-01-7
Beilstein 350314
Merck Index 14,2577
Synonym m-Cresolsulfonephthalein

Applications
m-Cresol Purple acts as a pH indicator dye. It plays an important role in spectrophotometric pH measurements. It operates in the pH ranges 1.2 - 2.8 (red to yellow) and 7.4 - 9.0 (yellow to violet). Further, it is employed to stain epithelial cells and proteins.

Solubility
Soluble in water and sodium hydroxide solution. Slightly soluble in alcohol.

Notes
Transition interval (acid): pH 1.2 (red) to pH 2.8 (yellow); (alkaline) pH 7.4 (yellow) to pH 9.0 (purple)Incompatible with strong oxidizing agents.