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Sigma-Aldrich

Direct Red 23

Dye content 30 %

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About This Item

Empirical Formula (Hill Notation):
C35H25N7Na2O10S2
CAS Number:
3441-14-3
Molecular Weight:
813.72
Colour Index Number:
29160
EC Number:
222-348-4
MDL number:
MFCD00003946
UNSPSC Code:
12171500
PubChem Substance ID:
24852734
NACRES:
NA.47

form

powder

composition

Dye content, 30%

technique(s)

microbe id | staining: suitable

λmax

507 nm

ε (extinction coefficient)

≥15000 at 500-516 nm in water at 0.04 g/L

application(s)

diagnostic assay manufacturing
hematology
histology

storage temp.

room temp

SMILES string

[Na+].[Na+].CC(=O)Nc1ccc(cc1)N=Nc2cc3c(O)cc(NC(=O)Nc4ccc5c(O)c(N=Nc6ccccc6)c(cc5c4)S([O-])(=O)=O)cc3cc2S([O-])(=O)=O

InChI

1S/C35H27N7O10S2.2Na/c1-19(43)36-22-7-9-24(10-8-22)40-42-32-30(54(50,51)52)18-21-16-26(12-14-28(21)34(32)45)38-35(46)37-25-11-13-27-20(15-25)17-29(53(47,48)49)31(33(27)44)41-39-23-5-3-2-4-6-23;;/h2-18,44-45H,1H3,(H,36,43)(H2,37,38,46)(H,47,48,49)(H,50,51,52);;/q;2*+1/p-2

InChI key

NLMHXPDMNXMQBY-UHFFFAOYSA-L

Related Categories

General description

Direct Red 23 consists of a diazo group and it is toxic and carcinogenic in nature.

Application

Direct Red 23 has been used to stain water-hydrated seeds.

Storage Class Code

11 - Combustible Solids

WGK

WGK 2

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
MKCK7239
MKCH8209
MKCC3251
MKBW5916V
MKBW4522V

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