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201871

Direct yellow 27

Name: Direct yellow 27
Brand: SIAL

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About This Item

Empirical Formula (Hill Notation):

C₂₅H₂₀N₄Na₂O₉S₃

CAS Number:

10190-68-8

Molecular Weight:

662.62

PubChem Substance ID:

24852026

UNSPSC Code:

12171500

Colour Index Number:

13950

NACRES:

NA.47

EC Number:

233-461-3

MDL number:

MFCD00005778

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Properties

form

powder

Quality Level

100

λ_max

393 nm

ε (extinction coefficient)

53000-57000 at 224-230 nm in water at 0.02 g/L

application(s)

diagnostic assay manufacturing
hematology
histology

storage temp.

room temp

SMILES string

[Na+].[Na+].COc1ccccc1NC(=O)C(\N=N\c2ccc(cc2S([O-])(=O)=O)-c3nc4ccc(C)c(c4s3)S([O-])(=O)=O)=C(/C)O

InChI

1S/C25H22N4O9S3.2Na/c1-13-8-10-18-22(23(13)41(35,36)37)39-25(27-18)15-9-11-17(20(12-15)40(32,33)34)28-29-21(14(2)30)24(31)26-16-6-4-5-7-19(16)38-3;;/h4-12,30H,1-3H3,(H,26,31)(H,32,33,34)(H,35,36,37);;/q;2*+1/p-2/b21-14-,29-28+;;

InChI key

VHKQQPDOJAIOKS-NOBNIHJLSA-L

Description

General description

As a direct dye, Direct Yellow 27 is an acid dye with large molecules that will bind to cellulose fibers directly. It is mono azo dye with good light fastness.

Storage Class

11 - Combustible Solids

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

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Certificates of Analysis (COA)

Lot/Batch Number

0033187

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Global Trade Item Number

SKU	GTIN
201871-10G	04061838764409