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103624

Sigma-Aldrich

Sudan I

Dye content ≥95 %

Synonym(s):
1-Phenylazo-2-naphthol, Solvent Yellow 14
Linear Formula:
C6H5N=NC10H6OH
CAS Number:
Molecular Weight:
248.28
Colour Index Number:
12055
EC Number:
MDL number:
PubChem Substance ID:
NACRES:
NA.47

form

powder

Quality Level

composition

Dye content, ≥95%

mp

131-133 °C (lit.)

solubility

chloroform: 1 mg/mL, clear, orange

λmax

418 nm
476 nm (2nd)

application(s)

diagnostic assay manufacturing
hematology
histology

storage temp.

room temp

SMILES string

Oc1ccc2ccccc2c1N=Nc3ccccc3

InChI

1S/C16H12N2O/c19-15-11-10-12-6-4-5-9-14(12)16(15)18-17-13-7-2-1-3-8-13/h1-11,19H

InChI key

MRQIXHXHHPWVIL-UHFFFAOYSA-N

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Application

Sudan I is a lysochrome, a diazo-conjugate dye, used as an industrial dye, added to products such as waxes, oils, petrol, solvents and polishes. Sudan I is a category 3 carcinogen previously, now banned, used to color certain foodstuffs.

Packaging

25, 100 g in glass bottle

Pictograms

Exclamation markHealth hazard

Signal Word

Warning

Hazard Statements

Hazard Classifications

Aquatic Chronic 4 - Carc. 2 - Muta. 2 - Skin Sens. 1

Storage Class Code

11 - Combustible Solids

WGK

WGK 2

Flash Point(F)

554.0 °F - Pensky-Martens closed cup

Flash Point(C)

> 290 °C - Pensky-Martens closed cup

Certificate of Analysis

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Certificate of Origin

Enter Lot Number to search for Certificate of Origin (COO).

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