Cresol Red sodium salt , Indicator level , 62625-29-0

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

CAS NO.：62625-29-0

Empirical Formula: C21H17NaO5S

Molecular Weight: 404.41

MDL number: MFCD00001618

EINECS: 263-654-8

PRODUCT Properties

• 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)

Description and Uses

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.

Safety

• Symbol(GHS): GHS07
• Signal word: Warning
• Hazard statements: H302-H315-H319-H335
• Precautionary statements: P261-P305+P351+P338
• Hazard Codes: Xn
• Risk Statements: 20/21/22-36/37/38
• Safety Statements: 22-24/25-36-26
• WGK Germany: 3
• TSCA: Yes
• HS Code: 29147000