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Merck
CN

201960

Acid Yellow 25

Dye content 40 %

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About This Item

Empirical Formula (Hill Notation):
C23H20N5NaO6S2
CAS Number:
Molecular Weight:
549.55
PubChem Substance ID:
UNSPSC Code:
12171500
Colour Index Number:
18835
NACRES:
NA.47
EC Number:
228-810-1
MDL number:
Technical Service
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form

powder

composition

Dye content, 40%

λmax

392 nm

ε (extinction coefficient)

13200 at 259 nm in H2O at 0.03 g/L

application(s)

diagnostic assay manufacturing
hematology
histology

storage temp.

room temp

SMILES string

[Na+].Cc1ccc(cc1S(=O)(=O)Nc2ccccc2)\N=N\c3c(C)nn(c3O)-c4ccc(cc4)S([O-])(=O)=O

InChI

1S/C23H21N5O6S2.Na/c1-15-8-9-18(14-21(15)35(30,31)27-17-6-4-3-5-7-17)24-25-22-16(2)26-28(23(22)29)19-10-12-20(13-11-19)36(32,33)34;/h3-14,27,29H,1-2H3,(H,32,33,34);/q;+1/p-1/b25-24+;

InChI key

VKLQVFKYJGXGKQ-QREUMGABSA-M



Storage Class

11 - Combustible Solids

WGK

WGK 3

Flash Point (°F)

Not applicable

Flash Point (°C)

Not applicable



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