Phenol red sodium salt, water soluble, pure indicator

Supplier: Thermo Scientific
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Synonyms: Sodium hydrogen 4,4'-(3H-2,1-benzoxathiol-3-ylidene)bisphenolate S,S-dioxidePhenol red water soluble3,3-Bis(4-hydroxyphenyl)-3H-benzo[c][1,2]oxathiole 1,1-dioxide, sodium salt

ACRO151441000EA 115 GBP
ACRO151441000 ACRO151440250 ACRO151440050
Phenol red sodium salt, water soluble, pure indicator
Phenol red sodium salt
Formula: C₁₉H₁₃NaO₅S
MW: 376.35 g/mol
Melting Pt: 285 °C
Storage Temperature: Ambient
MDL Number: MFCD00066901
CAS Number: 34487-61-1
EINECS: 252-057-8
Merck Index: 12,07397

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Specification Test Results

Appearance Dark red to brown Powder
Infrared spectrum Conforms
Solubility (0.1 % in water) Clear
Specific extinction E (1%/1cm) ≥1600 (558 nm, in buffer)
Visual transition interval from pH 6.8 (yellow) to pH 8.2 (red)

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