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Key Documents

201901

Sigma-Aldrich

Chrysophenine

Dye content 65 %

Synonym(s):

Direct Yellow 12

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50 G
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50 G
$102.00

About This Item

Empirical Formula (Hill Notation):
C30H26N4Na2O8S2
CAS Number:
Molecular Weight:
680.66
Colour Index Number:
24895
EC Number:
MDL number:
UNSPSC Code:
12171500
PubChem Substance ID:
NACRES:
NA.47

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form

powder

composition

Dye content, 65%

λmax

389 nm

ε (extinction coefficient)

≥29000 at 389-401 nm in water at 0.02 g/L

application(s)

diagnostic assay manufacturing
hematology
histology

storage temp.

room temp

SMILES string

[Na+].[Na+].CCOc1ccc(cc1)\N=N\c2ccc(\C=C\c3ccc(cc3S([O-])(=O)=O)\N=N\c4ccc(OCC)cc4)c(c2)S([O-])(=O)=O

InChI

1S/C30H28N4O8S2.2Na/c1-3-41-27-15-11-23(12-16-27)31-33-25-9-7-21(29(19-25)43(35,36)37)5-6-22-8-10-26(20-30(22)44(38,39)40)34-32-24-13-17-28(18-14-24)42-4-2;;/h5-20H,3-4H2,1-2H3,(H,35,36,37)(H,38,39,40);;/q;2*+1/p-2/b6-5+,33-31+,34-32+;;

InChI key

YQMJDPHTMKUEHG-RNVLWOMCSA-L

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Show Differences

1 of 4

This Item
206865C8679103624
Primuline Dye content 50 %

206865

Primuline

Sudan I Dye content ≥95 %

103624

Sudan I

form

powder

form

powder or crystals

form

powder

form

powder

application(s)

diagnostic assay manufacturing
hematology
histology

application(s)

diagnostic assay manufacturing
hematology
histology

application(s)

diagnostic assay manufacturing
hematology
histology

application(s)

diagnostic assay manufacturing
hematology
histology

storage temp.

room temp

storage temp.

room temp

storage temp.

room temp

storage temp.

room temp

composition

Dye content, 65%

composition

Dye content, 50%

composition

Dye content, ~80%

composition

Dye content, ≥95%

Quality Level

200

Quality Level

100

Quality Level

200

Quality Level

200

λmax

389 nm

λmax

229 nm (2nd), 340-355 nm

λmax

-

λmax

-

Storage Class

11 - Combustible Solids

wgk_germany

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable


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