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Sudan II

Name: Sudan II
Brand: ALDRICH
Price: 12800 CZK

Dye content 90 %

Synonym(s):

1-(2,4-Xylylazo)-2-naphthol, Solvent Orange 7

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Size/SKU	Availability	Price
25 g	Please contact Customer Service for Availability	12 800,00 CZK

About This Item

Empirical Formula (Hill Notation):

C₁₈H₁₆N₂O

CAS Number:

3118-97-6

Molecular Weight:

276.33

PubChem Substance ID:

24851931

UNSPSC Code:

12171500

Colour Index Number:

12140

NACRES:

NA.47

EC Number:

221-490-4

MDL number:

MFCD00003896

12 800,00 CZK

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Properties

form

powder

Quality Segment

100

composition

Dye content, 90%

mp

156-158 °C (lit.)

solubility

chloroform: 10 mg/mL

λ_max

493 nm, 604 nm (2nd)

ε (extinction coefficient)

≥14000 at 491-497 nm in methanol at 0.005 g/L, ≥9000 at 419-425 nm in methanol at 0.005 g/L

application(s)

diagnostic assay manufacturing
hematology
histology

storage temp.

room temp

SMILES string

Cc1ccc(\N=N\c2c(O)ccc3ccccc23)c(C)c1

InChI

1S/C18H16N2O/c1-12-7-9-16(13(2)11-12)19-20-18-15-6-4-3-5-14(15)8-10-17(18)21/h3-11,21H,1-2H3/b20-19+

InChI key

JBTHDAVBDKKSRW-FMQUCBEESA-N

Description

Application

Sudan II has been used to determine its presence in commercial spices such as hot chilli food samples (LC–ESI–MS/MS).

Biochem/physiol Actions

Sudan II is a fat-soluble synthetic colorant and it belongs to the group of azo compounds. It is classified by the international agency for research on cancer (IARC) as category 3 carcinogens because it has an ability to cause certain forms of liver and bladder cancer in animals.

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This Item	74033	103624	306436
Sigma-Aldrich 199656 Sudan II	Supelco 74033 Sudan II	Sigma-Aldrich 103624 Sudan I	Sigma-Aldrich 306436 Sudan Blue II
description Dye content 90 %	description certified reference material, TraceCERT^®, Manufactured by: Sigma-Aldrich Production GmbH, Switzerland	description Dye content ≥95 %	description Dye content 98 %
solubility chloroform: 10 mg/mL	solubility -	solubility chloroform: 1 mg/mL, clear to very slightly hazy, orange	solubility chloroform: 4 mg/mL, clear to opaque, blue
form powder	form -	form powder	form powder or crystals
application(s) diagnostic assay manufacturing hematology histology	application(s) -	application(s) diagnostic assay manufacturing hematology histology	application(s) diagnostic assay manufacturing hematology histology
composition Dye content, 90%	composition -	composition Dye content, ≥95%	composition Dye content, 98%
Quality Level 100	Quality Level 300	Quality Level 200	Quality Level 200
storage temp. room temp	storage temp. -	storage temp. room temp	storage temp. room temp

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Pictograms

GHS07

Signal Word

Warning

Hazard Codes

H315,H317,H319

Precautionary Statements

P261 - P264 - P272 - P280 - P302 + P352 - P305 + P351 + P338

Hazard Classifications

Eye Irrit. 2 - Skin Irrit. 2 - Skin Sens. 1

Storage Class

11 - Combustible Solids

WGK

WGK 2

Flash Point (°F)

448.9 °F - closed cup

Flash Point (°C)

231.6 °C - closed cup

PPE (personal protective equipment)

dust mask type N95 (US), Eyeshields, Gloves

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