H1878
Calcon™
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:
Molecular Weight:
416.38
UNSPSC Code:
12161500
EC Number:
219-810-2
Beilstein/REAXYS Number:
6041435
Colour Index Number:
15705
MDL number:
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
composition
Dye content, ~50%
technique(s)
titration: suitable
Legal Information
Calcon is a trademark of Benckiser
Eriochrome is a registered trademark of Huntsman Petrochemical, LLC
Regulatory Information
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