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103624

Sigma-Aldrich

Sudan I

Dye content ≥95 %

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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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1 of 4

This Item
S4136S4131306436
Sudan I Dye content ≥95 %

Sigma-Aldrich

103624

Sudan I

Sudan III BioXtra, certified by the Biological Stain Commission

Sigma-Aldrich

S4136

Sudan III

Sudan III Technical grade

Sigma-Aldrich

S4131

Sudan III

Sudan Blue II Dye content 98 %

Sigma-Aldrich

306436

Sudan Blue II

composition

Dye content, ≥95%

composition

Dye content, ≥80%

composition

Dye content, ≥85%

composition

Dye content, 98%

mp

131-133 °C (lit.)

mp

199 °C (dec.) (lit.)

mp

199 °C (dec.) (lit.)

mp

120-122 °C (lit.)

solubility

chloroform: 1 mg/mL, clear, orange

solubility

toluene: 1 mg/mL, clear, red

solubility

chloroform: 1 mg/mL, clear, red

solubility

chloroform: 4 mg/mL, clear to opaque, blue

λmax

418 nm, 476 nm (2nd)

λmax

-

λmax

508-512 nm in ethanol

λmax

604 nm (2nd), 652 nm

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

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.

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


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T Philip et al.
Journal of chromatography, 435(1), 113-126 (1988-01-01)
The adsorption and partition properties of several fatty acid esters of capsanthin, capsorubin, beta-cryptoxanthin, lutein, violaxanthin and beta-citraurin isolated from fruits were studied by normal-phase (silica) and reversed-phase (octadecylsilane) liquid chromatography using Sudan 1 as internal standard. The separation on
Chuande Zhao et al.
Journal of chromatography. A, 1217(45), 6995-7002 (2010-10-01)
A novel molecularly imprinted polymer was synthesized with attapulgite employed as matrix, which is simple and time-saving. In this method, sudan I was chosen as template molecule, 2-vinylpyridine as functional monomer and ethylene glycol dimethacrylate as cross-linking agent, respectively. The
Xinying Ma et al.
Food chemistry, 138(2-3), 739-744 (2013-02-16)
This paper describes a novel electrochemical method for the determination of Sudan I in food samples based on the electrochemical catalytic activity of graphene modified glassy carbon electrode (GMGCE) and the enhancement effect of an anionic surfactant: sodium dodecyl sulphonate
Shizhen Chen et al.
Talanta, 84(2), 451-456 (2011-03-08)
An electrochemical strategy on the basis of rationally designed molecularly imprinted sol-gel polymer embedded with gold nanoparticles (AuNPs) is developed for the specific and sensitive determination of Sudan I. The rationally designed sensing Sudan I imprinted sol-gel was prepared by
Václav Martínek et al.
Toxicological sciences : an official journal of the Society of Toxicology, 117(2), 359-374 (2010-07-10)
Free radicals generated during peroxidase-catalyzed oxidation of two xenobiotics, carcinogenic Sudan I and an anticancer agent ellipticine, easily attack unmodified proteins but not glycoproteins. A significant inverse correlation between the extent of glycosylation of proteins and the degree of binding

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