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Merck
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Key Documents

201804

Sigma-Aldrich

Acid Yellow 99

Dye content 40 %

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About This Item

Empirical Formula (Hill Notation):
C16H13CrN4NaO8S
CAS Number:
Molecular Weight:
496.35
Colour Index Number:
13900
EC Number:
MDL number:
UNSPSC Code:
12171500
PubChem Substance ID:

composition

Dye content, 40%

λmax

450 nm

SMILES string

[Na+].CC1=C(\N=N\c2cc(cc(c2O[Cr](O)O1)S([O-])(=O)=O)[N+]([O-])=O)C(=O)Nc3ccccc3

InChI

1S/C16H14N4O8S.Cr.Na.H2O/c1-9(21)14(16(23)17-10-5-3-2-4-6-10)19-18-12-7-11(20(24)25)8-13(15(12)22)29(26,27)28;;;/h2-8,21-22H,1H3,(H,17,23)(H,26,27,28);;;1H2/q;+3;+1;/p-4/b14-9-,19-18+;;;

InChI key

XEAHZUQHDDJSJW-OLHDMKQDSA-J

Storage Class Code

13 - Non Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable


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