90689
Lithol Rubine BK
analytical standard
Synonym(s):
E180, 3-Hydroxy-4-[(4-methyl-2-sulfophenyl)azo]-2-naphthoic acid calcium salt
About This Item
Recommended Products
grade
analytical standard
Quality Level
Assay
≥95.0% (HPLC)
shelf life
limited shelf life, expiry date on the label
technique(s)
HPLC: suitable
gas chromatography (GC): suitable
application(s)
cleaning products
cosmetics
food and beverages
personal care
format
neat
SMILES string
[Ca++].Cc1ccc(N=Nc2c(O)c(cc3ccccc23)C([O-])=O)c(c1)S([O-])(=O)=O
InChI
1S/C18H14N2O6S.Ca/c1-10-6-7-14(15(8-10)27(24,25)26)19-20-16-12-5-3-2-4-11(12)9-13(17(16)21)18(22)23;/h2-9,19H,1H3,(H,22,23)(H,24,25,26);/q;+2/p-2/b20-16-;
InChI key
WANIKCLUTOABTP-LRZQPWDCSA-L
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General description
This product is provided by Sigma-Aldrich as a neat standard for the precise quality control of food products. In the European Union, E numbers are used as codes for food color additives. E numbers 100-199 include not only artificial food colors derived from petroleum, but also natural additives originating from sources such as vegetables, insects, or mixtures made from natural foodstuffs.
Application
Packaging
Storage Class Code
11 - Combustible Solids
WGK
WGK 1
Flash Point(F)
Not applicable
Flash Point(C)
Not applicable
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