Merck
CN
All Photos(2)

199672

Sigma-Aldrich

Sudan Orange G

Dye content 85 %

Sign Into View Organizational & Contract Pricing

Select a Size

Change View
Synonym(s):
2,4-Dihydroxyazobenzene, 4-(Phenylazo)resorcinol, SOG
Linear Formula:
C6H5N=NC6H3-1,3-(OH)2
CAS Number:
Molecular Weight:
214.22
Colour Index Number:
11920
Beilstein:
958430
EC Number:
MDL number:
PubChem Substance ID:
NACRES:
NA.47

form

powder

Quality Level

composition

Dye content, 85%

mp

143-146 °C (lit.)

solubility

chloroform: 1 mg/mL, clear, orange to red

λmax

388 nm

application(s)

diagnostic assay manufacturing
hematology
histology

storage temp.

room temp

SMILES string

Oc1ccc(\N=N\c2ccccc2)c(O)c1

InChI

1S/C12H10N2O2/c15-10-6-7-11(12(16)8-10)14-13-9-4-2-1-3-5-9/h1-8,15-16H/b14-13+

InChI key

BPTKLSBRRJFNHJ-BUHFOSPRSA-N

Looking for similar products? Visit Product Comparison Guide

Related Categories

Compare Similar Items

View Full Comparison

Show Differences

1 of 4

This Item
861286O3756O7252
Sudan Orange G Dye content 85 %

Sigma-Aldrich

199672

Sudan Orange G

Orange G certified by the Biological Stain Commission, Dye content 80 %

Sigma-Aldrich

861286

Orange G

Orange G for NA electrophoresis

Sigma-Aldrich

O3756

Orange G

Orange G certified by the Biological Stain Commission

Sigma-Aldrich

O7252

Orange G

composition

Dye content, 85%

composition

Dye content, 80%

composition

-

composition

Dye content, ≥80%

mp

143-146 °C (lit.)

mp

-

mp

-

mp

-

solubility

chloroform: 1 mg/mL, clear, orange to red

solubility

H2O: 1 mg/mL

solubility

water: 1 mg/mL, clear, orange to red

solubility

water: 1 mg/mL, clear

λmax

388 nm

λmax

475 nm

λmax

-

λmax

-

application(s)

diagnostic assay manufacturing
hematology
histology

application(s)

diagnostic assay manufacturing
hematology
histology

application(s)

-

application(s)

diagnostic assay manufacturing
hematology
histology

General description

Sudan Orange G belongs to the group of azo dyes, which are synthetic organic colorants. Members of azo dyes contain chromophoric azo groups (-N-N-).

Application

Sudan Orange G has been used to study its enzymatic biotransformation and is used as a standard in Liquid chromatography–mass spectrometry.

Pictograms

Exclamation mark

Signal Word

Warning

Hazard Statements

Hazard Classifications

Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3

Target Organs

Respiratory system

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

Already Own This Product?

Documents related to the products that you have purchased in the past have been gathered in the Document Library for your convenience.

Visit the Document Library

Difficulty Finding Your Product Or Lot/Batch Number?

Product numbers are combined with Pack Sizes/Quantity when displayed on the website (example: T1503-25G). Please make sure you enter ONLY the product number in the Product Number field (example: T1503).

Example:

T1503
Product Number
-
25G
Pack Size/Quantity

Additional examples:

705578-5MG-PW

PL860-CGA/SHF-1EA

MMYOMAG-74K-13

1000309185

enter as 1.000309185)

Having trouble? Feel free to contact Technical Service for assistance.

Lot and Batch Numbers can be found on a product's label following the words 'Lot' or 'Batch'.

Aldrich Products

  • For a lot number such as TO09019TO, enter it as 09019TO (without the first two letters 'TO').

  • For a lot number with a filling-code such as 05427ES-021, enter it as 05427ES (without the filling-code '-021').

  • For a lot number with a filling-code such as STBB0728K9, enter it as STBB0728 without the filling-code 'K9'.

Not Finding What You Are Looking For?

In some cases, a COA may not be available online. If your search was unable to find the COA you can request one.

Request COA

Customers Also Viewed

Slide 1 of 7

1 of 7

Sudan red G reagent for Ph. Eur.

Sigma-Aldrich

17373

Sudan red G

Congo Red Dye content ≥35 %

Sigma-Aldrich

C6767

Congo Red

Oil Blue N Dye content 96 %

Sigma-Aldrich

391557

Oil Blue N

Congo Red certified by the Biological Stain Commission, BioXtra

Sigma-Aldrich

C6277

Congo Red

4-Phenylazophenol 98%

Sigma-Aldrich

131083

4-Phenylazophenol

Determination of Banned Dyes in Spices by Liquid
Chromatography?Mass Spectrometry
Botek P
Czech Journal of Food Sciences, 25, 17-24 (2007)
Enzymatic biotransformation of the azo dye Sudan Orange G with bacterial CotA-laccase
Pereira L
Journal of Biotechnology, 139, 68-77 (2009)
Development of a method for the analysis of seven banned azo-dyes in chilli and hot chilli food samples by pressurised liquid extraction and liquid chromatography with electrospray ionization-tandem mass spectrometry
Pardo O
Talanta, 78, 178-186 (2009)
Ze Wang et al.
Drug and alcohol dependence, 152, 102-108 (2015-05-11)
The functional interconnections of the addicted brain may differ from the non-addicted population in important ways, but prioranalytic approaches were usually limited to the study of connections between a few number of selected brain regions. Recent approaches enable examination of
Daniel Kessler et al.
The Journal of neuroscience : the official journal of the Society for Neuroscience, 34(50), 16555-16566 (2014-12-17)
Previous neuroimaging investigations in attention-deficit/hyperactivity disorder (ADHD) have separately identified distributed structural and functional deficits, but interconnections between these deficits have not been explored. To unite these modalities in a common model, we used joint independent component analysis, a multivariate

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Contact Technical Service