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Merck
CN

216739

Sigma-Aldrich

Calcon™

Dye content 50 %

Synonym(s):

1-(2-Hydroxy-1-naphthylazo)-2-naphthol-4-sulfonic acid sodium salt, Eriochrome® Blue Black R, Mordant Black 17, Palatine Chrome Black 6BN

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About This Item

Empirical Formula (Hill Notation):
C20H13N2NaO5S
CAS Number:
2538-85-4
Molecular Weight:
416.38
Colour Index Number:
15705
Beilstein:
6041435
EC Number:
219-810-2
MDL number:
MFCD00004069
UNSPSC Code:
12171500

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composition

Dye content, 50%

λmax

569 nm

SMILES string

[Na+].Oc1ccc2ccccc2c1N=Nc3c(O)cc(c4ccccc34)S([O-])(=O)=O

InChI

1S/C20H14N2O5S.Na/c23-16-10-9-12-5-1-2-6-13(12)19(16)21-22-20-15-8-4-3-7-14(15)18(11-17(20)24)28(25,26)27;/h1-11,23-24H,(H,25,26,27);/q;+1/p-1

InChI key

ZQWICJYATMSSSD-UHFFFAOYSA-M

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Legal Information

Calcon is a trademark of Benckiser
Eriochrome is a registered trademark of Huntsman Petrochemical, LLC

Regulatory Information

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Certificates of Analysis (COA)

Lot/Batch Number
08914KA
06713DO
05503CR
01814LG
14931MN

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