Cresol red, pure indicator grade

Supplier: Thermo Scientific Chemicals

Synonyms: 3,3-Bis(4-hydroxy-3-methylphenyl)-3H-benzo[c][1,2]oxathiole 1,1-dioxideo-Cresolsulfonphthaleino-Cresolsulphonphthalein

15138-1000 15138-0050 15138-0250
TS15138-0050EA 28.05 USD
TS15138-0050 TS15138-0250 TS15138-1000
Cresol red, pure indicator grade
Cresol red
Formula: C₂₁H₁₈O₅S
MW: 382.43 g/mol
Melting Pt: 290 °C (dec.)
Storage Temperature: Ambient
MDL Number: MFCD00005878
CAS Number: 1733-12-6
EINECS: 217-064-2

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Specification Test Results

Appearance Dark green to red-brown Powder
Infrared spectrum Conforms
Solubility (0.1 % in 50 % ethanol) Clear
Specific extinction E (1%/1cm) ≥1500 (572 nm, in 0.01 N NaOH)
Visual transition interval from pH 7.0 (orange) to pH 8.8 (purple)

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