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Key Documents

198196

Sigma-Aldrich

Oil Red O

certified by the Biological Stain Commission, Dye content 85 %

Synonym(s):

1-([4-(Xylylazo)xylyl]azo)-2-naphthol, 1-[2,5-Dimethyl-4-(2,5-dimethylphenylazo)phenylazo]-2-naphthol, Solvent Red 27

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About This Item

Empirical Formula (Hill Notation):
C26H24N4O
CAS Number:
Molecular Weight:
408.49
Colour Index Number:
26125
EC Number:
MDL number:
UNSPSC Code:
12171500

grade

certified by the Biological Stain Commission

composition

Dye content, 85%

mp

120 °C (dec.) (lit.)

SMILES string

Cc1ccc(C)c(c1)\N=N\c2cc(C)c(cc2C)\N=N/c3c(O)ccc4ccccc34

InChI

1S/C26H24N4O/c1-16-9-10-17(2)22(13-16)27-28-23-14-19(4)24(15-18(23)3)29-30-26-21-8-6-5-7-20(21)11-12-25(26)31/h5-15,31H,1-4H3

InChI key

NPGIHFRTRXVWOY-UHFFFAOYSA-N

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Application

biological stain

replaced by

Product No.
Description
Pricing

Storage Class

13 - Non Combustible Solids

wgk_germany

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)


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