For citations & permissions, please see: Citations & Permissions - Wiley Science Solutions*

*Links on SpectraBase are not permalinks.
Ponceau S
SpectraBase Compound ID BLRpNiuyWA4
InChI InChI=1S/C22H16N4O13S4.4Na/c27-22-20(43(37,38)39)10-12-9-16(41(31,32)33)6-7-17(12)21(22)26-25-18-8-3-14(11-19(18)42(34,35)36)24-23-13-1-4-15(5-2-13)40(28,29)30;;;;/h1-11,27H,(H,28,29,30)(H,31,32,33)(H,34,35,36)(H,37,38,39);;;;/q;4*+1/p-4/b24-23+,26-25+;;;;
InChIKey KQHKSGRIBYJYFX-WNDMICSESA-J
Mol Weight 760.55207713 g/mol
Molecular Formula C22H12N4Na4O13S4
Exact Mass 759.887448 g/mol

Transmission Infrared (IR) Spectrum

Transmission Infrared (IR) Spectrum

View the Full Spectrum for FREE!

The full spectrum can only be viewed using a FREE account.

SpectraBase Spectrum ID 1Qu4aq8DPxo
Name PONCEAU S
Source of Sample Aldrich Chemical Company, Inc., Milwaukee, Wisconsin
CAS Registry Number 6226-79-5
Chemical Description 3-HYDROXY-4-{{2-SULFO-4-[(p-SULFOPHENYL)AZO]PHENYL}AZO}-2,7-NAPHTHALENEDISULFONIC ACID, TETRASODIUM SALT
Color Properties Colour Index Name= ACID RED 112 Colour Index Number= 27195
Copyright Copyright © 1980, 1981-2024 John Wiley & Sons, Inc. All Rights Reserved.
Formula C22H12N4Na4O13S4
Melting Point >300C
Molecular Weight 760.58
Technique KBr WAFER