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Pyrogallol Red

Name: Pyrogallol Red
Brand: SIAL

Synonym(s):

Pyrogallolsulfonephthalein

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About This Item

Empirical Formula (Hill Notation):

C₁₉H₁₂O₈S

CAS Number:

32638-88-3

Molecular Weight:

400.36

EC Number:

251-134-3

UNSPSC Code:

12171500

MDL number:

MFCD00005046

Beilstein/REAXYS Number:

61394

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Properties

technique(s)

titration: suitable

mp

≥300 °C (lit.)

SMILES string

Oc1ccc2c(Oc3c(O)c(O)ccc3C24OS(=O)(=O)c5ccccc45)c1O

InChI

1S/C19H12O8S/c20-12-7-5-10-17(15(12)22)26-18-11(6-8-13(21)16(18)23)19(10)9-3-1-2-4-14(9)28(24,25)27-19/h1-8,20-23H

InChI key

KUQNCHZOCSYKOR-UHFFFAOYSA-N

Description

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Collect., 21, 1599-1599 (1956)

Collect., 21, 418-418 (1956)