ChemicalBook > CAS DataBase List > Sudan Red 7B

Sudan Red 7B

Product Name
Sudan Red 7B
CAS No.
6368-72-5
Chemical Name
Sudan Red 7B
Synonyms
sudan7b;CI 26050;FETTROT 7B;FAT RED 7B;OIL VIOLET;ceresred7b;sudanrot7b;CI NO 26050;SUDAN RED 7B;lacquerredv3b
CBNumber
CB0262101
Molecular Formula
C24H21N5
Formula Weight
379.46
MOL File
6368-72-5.mol
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Sudan Red 7B Property

Melting point:
130 °C (dec.)(lit.)
Boiling point:
497.32°C (rough estimate)
Density 
1.3490 (rough estimate)
refractive index 
1.6300 (estimate)
storage temp. 
Amber Vial, Refrigerator, Under inert atmosphere
solubility 
Chloroform, DMSO, Methanol
pka
3.58±0.40(Predicted)
Colour Index 
26050
form 
Powder
color 
Maroon
BRN 
3534323
Stability:
Light Sensitive
CAS DataBase Reference
6368-72-5
IARC
3 (Vol. 8, Sup 7) 1987
EPA Substance Registry System
2-Naphthalenamine, N-ethyl-1-[2-[4-(2-phenyldiazenyl)phenyl]diazenyl]- (6368-72-5)
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Safety

Hazard Codes 
Xn
Risk Statements 
22
Safety Statements 
37/39-26
WGK Germany 
3
RTECS 
QM2850000
HS Code 
32041900
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Hazard and Precautionary Statements (GHS)

Symbol(GHS)
Signal word
Warning
Hazard statements

H302Harmful if swallowed

Precautionary statements

P264Wash hands thoroughly after handling.

P264Wash skin thouroughly after handling.

P270Do not eat, drink or smoke when using this product.

P301+P312IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell.

P330Rinse mouth.

P501Dispose of contents/container to..…

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N-Bromosuccinimide Price

Sigma-Aldrich
Product number
201618
Product name
Sudan Red 7B
Purity
Dye content 95%
Packaging
10g
Price
$64.1
Updated
2024/03/01
Sigma-Aldrich
Product number
201618
Product name
Sudan Red 7B
Purity
Dye content 95%
Packaging
50g
Price
$264
Updated
2024/03/01
TCI Chemical
Product number
O0096
Product name
Oil Violet
Packaging
5g
Price
$39
Updated
2024/03/01
TCI Chemical
Product number
O0096
Product name
Oil Violet
Packaging
25g
Price
$129
Updated
2024/03/01
Sigma-Aldrich
Product number
53373
Product name
Sudan Red 7B
Purity
analytical standard
Packaging
25mg
Price
$133
Updated
2024/03/01
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Sudan Red 7B Chemical Properties,Usage,Production

Chemical Properties

bordeaux crystalline powder

Uses

Sudan Red 7B is a fat soluble dye. It has been used to study the effects of emulsifying agents on disposition of lipid soluble drugs included in fat emulsion. Dyes and metabolites, Environmental Testing.

Definition

ChEBI: Sudan Red 7B is a member of azobenzenes. It is effectively used to stain lipids and is used to indicate the presence of suberin in cell walls.

Preparation

4-(Phenyldiazenyl)benzenamine diazotization, and N-ethylnaphthalen-2-amine coupling.

Safety Profile

Questionable carcinogen with experimental tumorigenic data. Mutation data reported. When heated to decomposition it emits toxic fumes of NOx.

Staining Procedures

The stain is dissolved (0.1 % w/w) in polyethylene glycol 400 glycerol (1+9). Lipids are positive. It is especially good for demonstrating the presence of suberin.

Properties and Applications

brilliant blue light red. Soluble in ethanol for cherry red, soluble in acetone and benzene. In concentrated sulfuric acid for brilliant green blue, blue purple for after diluted to bordeaux red

Standard Light Fastness Heat-resistant(℃) water Sodium Carbonate(5%) Hydrochloric acid(5%)
Melting point Stable
ISO Poor 128-131.5 100-120≥ 100

Sublimation

Insoluble Well No change

Sudan Red 7B Preparation Products And Raw materials

Raw materials

Preparation Products

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Sudan Red 7B Suppliers

Aladdin Scientific
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+1-+1(833)-552-7181
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United States
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Cayman Chemical Company
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Fluorochem Ltd.
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VWR International, LLC.
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United States Biological
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Combi-Blocks Inc.
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TCI America
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NILE CHEMICALS
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Dudley Chemical Corp.
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HONEST JOY HOLDINGS LIMITED
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Advance Scientific & Chemical
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3B Scientific Corporation
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Pfaltz & Bauer, Inc.
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Aakash Chemicals and Dye-Stuffs, Inc.
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Spectrum Chemicals & Laboratory Products
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MP Biomedicals, Inc.
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View Lastest Price from Sudan Red 7B manufacturers

Weifang Wehibest Supply Chain Co.,Ltd
Product
Solvent Red 19E 6368-72-5
Price
US $0.00-0.00/kg
Min. Order
1kg
Purity
0.99
Supply Ability
20 tons
Release date
2023-08-08
Zhuozhou Wenxi import and Export Co., Ltd
Product
Oil Violet 6368-72-5
Price
US $15.00-10.00/KG
Min. Order
1KG
Purity
99%+ HPLC
Supply Ability
Monthly supply of 1 ton
Release date
2021-06-27
Career Henan Chemical Co
Product
sudan 7b 6368-72-5
Price
US $1.00/KG
Min. Order
1KG
Purity
99%
Supply Ability
25kg
Release date
2019-07-09

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