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
• InChI: InChI=1S/C21H18O5S.Na.H/c1-13-11-15(7-9-18(13)22)21(16-8-10-19(23)14(2)12-16)17-5-3-4-6-20(17)27(24,25)26-21;;/h3-12,22-23H,1-2H3
• InChIKey: OUMMIBMDWMSXKF-UHFFFAOYSA-N
• SMILES: O=S1(C2C=CC=CC=2C(C2C=CC(O)=C(C)C=2)(C2C=CC(O)=C(C)C=2)O1)=O.[NaH]
• 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