Pyrogallol red

Supplier: TCI America

Synonyms: 3',4',5',6'-Tetrahydroxyspiro[benzo[c][1,2]oxathiole-3,9'-xanthene] 1,1-dioxide

P0572-1G P0572-5G
TCP0572-001GEA 55.4 USD
TCP0572-001G TCP0572-5G
Pyrogallol red
Pyrogallol red

CAS Number: 32638-88-3
MDL Number: MFCD00005046
Molecular Formula: C19H12O8S
Molecular Weight: 400.36
Form: Crystal
Color: Deep Yellow Red

Formula: C₁₉H₁₂O₈S
MW: 400.36 g/mol
MDL Number: MFCD00005046
CAS Number: 32638-88-3
EINECS: 251-134-3
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Specification Test Results

Appearance Dark red to Brown powder to crystal
Lambda max. 539.0 to 543.0 nm (pH 8.0 buffer sol.)
Absorbance (E1%1cm) min. 850 (pH 8.0 buffer sol., 539.0 to 543.0 nm)
Sensitiveness Colorimetric Test : Turn Purple with Nickel and turn Red by adding EDTA 2Na

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