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Merck
CN

98707

Erythrosine B

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

Synonym(s):

Erythrosin extra bluish, 2′,4′,5′,7′-Tetraiodofluorescein disodium salt, Acid Red 51, Iodoeosin

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About This Item

Empirical Formula (Hill Notation):
C20H6I4Na2O5
CAS Number:
16423-68-0
Molecular Weight:
879.86
UNSPSC Code:
12171500
NACRES:
NA.21
MDL number:
MFCD00144257
Beilstein/REAXYS Number:
1443945

Key Documents

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SMILES string

[Na+].[Na+].[O-]c1c(I)cc2c(Oc3c(I)c([O-])c(I)cc3C24OC(=O)c5ccccc45)c1I

InChI

1S/C20H8I4O5.2Na/c21-11-5-9-17(13(23)15(11)25)28-18-10(6-12(22)16(26)14(18)24)20(9)8-4-2-1-3-7(8)19(27)29-20;;/h1-6,25-26H;;/q;2*+1/p-2

InChI key

RAGZEDHHTPQLAI-UHFFFAOYSA-L

grade

certified reference material, TraceCERT®

product line

TraceCERT®

manufacturer/tradename

Manufactured by: Sigma-Aldrich Production GmbH, Switzerland

shipped in

wet ice

storage temp.

2-8°C

Quality Level

300

Related Categories

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.comErythrosine B (FD&C Red No. 3; E127) is a synthetic xanthene dye—the disodium salt of tetraiodofluorescein—that produces a vivid cherry‑red color. It is widely used as a food dye in candies, frostings/icings, and cocktail or candied cherries. Outside food, it serves as a biological stain and dental plaque disclosing agent and is also used in printing inks. Testing is important to verify identity, purity, and levels against regulatory requirements.

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Legal Information

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

pictograms

Exclamation markEnvironment
GHS07,GHS09

signalword

Warning

hcodes

H302,H411

Hazard Classifications

Acute Tox. 4 Oral - Aquatic Chronic 2

Storage Class

11 - Combustible Solids

wgk

WGK 1

flash_point_f

359.6 °F - closed cup

flash_point_c

182 °C - closed cup

Regulatory Information

新产品
This item has

Certificates of Analysis (COA)

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