m-Cresol purple, pure indicator grade

Supplier: Thermo Scientific

Synonyms: 2',2''-Dimethylphenolsulphonphthalein, m-Cresolsulphonphthalein, MCP, 3,3-Bis(4-hydroxy-2-methylphenyl)-3H-benzo[c][1,2]oxathiole 1,1-dioxide

228200050 228200100 228200500
ACRO228200050EA 77 GBP
ACRO228200050 ACRO228200100 ACRO228200500
m-Cresol purple, pure indicator grade
m-Cresol purple
Formula: C₂₁H₁₈O₅S
MW: 382,43 g/mol
Storage Temperature: Ambient
MDL Number: MFCD00005871
CAS Number: 2303-01-7
EINECS: 218-960-6

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Specification Test Results

Appearance Dark green Crystalline powder
Infrared spectrum Conforms
Solubility (0.1 % in 50 % ethanol) Clear
Specific extinction E (1%/1cm) ≥900 (578 nm, in buffer)
Visual transition interval from pH 7.4 (yellow) to pH 9.0 (purple)

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