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15991

Ponceau 4R

Name: Ponceau 4R
Brand: SIAL

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

Synonym(s):

New Coccine, Acid Red 18, Ponceau 4 R

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About This Item

Empirical Formula (Hill Notation):

C₂₀H₁₁N₂Na₃O₁₀S₃

CAS Number:

2611-82-7

Molecular Weight:

604.47

UNSPSC Code:

41116107

NACRES:

NA.24

MDL number:

MFCD00004084

Colour Index Number:

16255

Beilstein/REAXYS Number:

4122340

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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

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Storage Class

13 - Non Combustible Solids

wgk

WGK 1

flash_point_f

Not applicable

flash_point_c