15991

Ponceau 4R

certified reference material, TraceCERT^®, Manufactured by: Sigma-Aldrich Production GmbH, Switzerland

• Synonym(s): New Coccine, Acid Red 18, Ponceau 4 R
• Empirical Formula (Hill Notation): C₂₀H₁₁N₂Na₃O₁₀S₃
• CAS Number: 2611-82-7
• Molecular Weight: 604.47
• Colour Index Number: 16255
• Beilstein/REAXYS Number: 4122340
• MDL number: MFCD00004084
• UNSPSC Code: 41116107
• NACRES: NA.24

Properties

• grade: certified reference material; TraceCERT^®
• shelf life: limited shelf life, expiry date on the label
• manufacturer/tradename: Manufactured by: Sigma-Aldrich Production GmbH, Switzerland
• storage temp.: -10 to -25°C
• SMILES string: [Na+].[Na+].[Na+].Oc1ccc2cc(cc(c2c1\N=N\c3ccc(c4ccccc34)S([O-])(=O)=O)S([O-])(=O)=O)S([O-])(=O)=O
• InChI: 1S/C20H14N2O10S3.3Na/c23-16-7-5-11-9-12(33(24,25)26)10-18(35(30,31)32)19(11)20(16)22-21-15-6-8-17(34(27,28)29)14-4-2-1-3-13(14)15;;;/h1-10,23H,(H,24,25,26)(H,27,28,29)(H,30,31,32);;;/q;3*+1/p-3/b22-21+;;;
• InChI key: SWGJCIMEBVHMTA-ZRUFZDNISA-K

Description

General description

This certified reference material (CRM) is produced and certified in accordance with ISO/IEC 17025 and ISO 17034. This CRM is traceable to primary material from an NMI, e.g. NIST or NMIJ.
Certified content by quantitative NMR incl. uncertainty and expiry date are given on the certificate.
Download your certificate at: http://www.sigma-aldrich.com.

Legal Information

TraceCERT is a registered trademark of Merck KGaA, Darmstadt, Germany

Safety Information

• Storage Class: 13 - Non Combustible Solids
• wgk_germany: WGK 1
• flash_point_f: Not applicable
• flash_point_c: Not applicable