CAS 32638-88-3 Pyrogallol Red - Materials / Alfa Chemistry

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Photonic and Optical Materials

Xanthene Dyes

Pyrogallol Red

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Catalog Number

ACM32638883

Product Name

Pyrogallol Red

Structure

CAS

32638-88-3

Category

Xanthene Dyes

Synonyms

Pyrogallolsulfonephthalein

Description

Alfa Chemistry offers Pyrogallol Red products for various research purposes. Please contact us by email if you do not find the specification you are looking for on this page.

IUPAC Name

1,1-dioxospiro[2,1ж╦6-benzoxathiole-3,9'-xanthene]-3',4',5',6'-tetrol

Molecular Weight

400.36

Molecular Formula

C19H12O8S

Canonical SMILES

C1=CC=C2C(=C1)C3(C4=C(C(=C(C=C4)O)O)OC5=C3C=CC(=C5O)O)OS2(=O)=O

InChI

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

Melting Point

≥300 °C (lit.)

Purity

Technical grade

Appearance

Dark red to Brown powder to crystal

Application

Applications of xanthene dyes involve optical materials and organic dyes for medical diagnosis research. Several characteristic features of xanthene dyes are large absorption and luminescence, excellent light resistance, low toxicity in-vivo, and relatively high solubility in water.

Complexity

690

Covalently-Bonded Unit Count

EC Number

251-134-3

Exact Mass

400.025289g/mol

Features And Benefits

Both cationic and anionic xanthene dyes are known to be efficient fluorescent dyes. Functional groups on the xanthene moiety control their fluorescent colors.

Formal Charge

Heavy Atom Count

MDL Number

MFCD00005046

MeSH Entry Terms

pyrogallol red;pyrogallol sulfonphthalein;pyrogallolsulfonephthalein

Monoisotopic Mass

400.025289g/mol

Rotatable Bond Count

Storage Conditions

Store under inert gas

XLogP3