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201987

Sigma-Aldrich

Acid Yellow 17

Dye content 60 %

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About This Item

Empirical Formula (Hill Notation):
C16H10Cl2N4Na2O7S2
CAS Number:
Molecular Weight:
551.29
Colour Index Number:
18965
EC Number:
MDL number:
UNSPSC Code:
12171500
PubChem Substance ID:
NACRES:
NA.47

form

powder

Quality Level

composition

Dye content, 60%

λmax

400 nm

ε (extinction coefficient)

≥8000 at 252-258 nm in water at 0.02 g/L

application(s)

diagnostic assay manufacturing
hematology
histology

storage temp.

room temp

SMILES string

[Na+].[Na+].CC1=NN(C(=O)C1\N=N\c2ccc(cc2)S([O-])(=O)=O)c3cc(Cl)c(cc3Cl)S([O-])(=O)=O

InChI

1S/C16H12Cl2N4O7S2.2Na/c1-8-15(20-19-9-2-4-10(5-3-9)30(24,25)26)16(23)22(21-8)13-6-12(18)14(7-11(13)17)31(27,28)29;;/h2-7,15H,1H3,(H,24,25,26)(H,27,28,29);;/q;2*+1/p-2/b20-19+;;

InChI key

FTZLWXQKVFFWLY-LLIZZRELSA-L

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General description

Acid yellow-17 (C.I. 18965), also known as Disodium 2, 5-dichloro-4-(5-hydroxy-3-methyl-4-(sulphophenylazo)pyrazol-1-yl) benzenesulphonate, and Yellow 2G is an anionic, reactive textile dye. This synthetic azo dye possesses a stable aromatic structure with SO3H and OH groups.

Application

The applications of Acid yellow-17 are seen in detergent, soap, textile, printing, and cosmetic industries.

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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Certificates of Analysis (COA)

Lot/Batch Number

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