ChemicalBook > CAS DataBase List > 2,4-DIAMINOAZOBENZENE

2,4-DIAMINOAZOBENZENE

Product Name
2,4-DIAMINOAZOBENZENE
CAS No.
495-54-5
Chemical Name
2,4-DIAMINOAZOBENZENE
Synonyms
Azohel;azoaniline;C.I.11270:1;azodianiline;Oil Orange Y;Chrysoidin A;Fat Brown GG;SOLVENT ORANGE 3;Chrysoidine Base;Oranz zasadita 2
CBNumber
CB0259536
Molecular Formula
C12H12N4
Formula Weight
212.25
MOL File
495-54-5.mol
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2,4-DIAMINOAZOBENZENE Property

Melting point:
117～123℃
Boiling point:
342.09°C (rough estimate)
Density 
1.1390
vapor pressure 
0Pa at 25℃
refractive index 
1.5000 (estimate)
solubility 
Acetonitrile (Slightly), Chloroform (Slightly), Methanol (Slightly)
form 
Solid
pka
3.11±0.10(Predicted)
color 
Red to Very Dark Brown
Water Solubility 
348.393mg/L at 30℃
LogP
2.715 at 25℃
CAS DataBase Reference
495-54-5
EPA Substance Registry System
C.I. Solvent Orange 3 (495-54-5)
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Hazard and Precautionary Statements (GHS)

Symbol(GHS)
Signal word
Danger
Hazard statements

H302Harmful if swallowed

H315Causes skin irritation

H340May cause genetic defects

H410Very toxic to aquatic life with long lasting effects

Precautionary statements

P201Obtain special instructions before use.

P202Do not handle until all safety precautions have been read and understood.

P264Wash hands thoroughly after handling.

P264Wash skin thouroughly after handling.

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

P273Avoid release to the environment.

P280Wear protective gloves/protective clothing/eye protection/face protection.

P281Use personal protective equipment as required.

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

P302+P352IF ON SKIN: wash with plenty of soap and water.

P308+P313IF exposed or concerned: Get medical advice/attention.

P321Specific treatment (see … on this label).

P330Rinse mouth.

P332+P313IF SKIN irritation occurs: Get medical advice/attention.

P362Take off contaminated clothing and wash before reuse.

P391Collect spillage. Hazardous to the aquatic environment

P405Store locked up.

P501Dispose of contents/container to..…

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N-Bromosuccinimide Price

Sigma-Aldrich
Product number
S440698
Product name
4-PHENYLAZO-M-PHENYLENEDIAMINE
Purity
Aldrich<sup>CPR</sup>
Packaging
1 unit
Price
$143
Updated
2025/07/31
Sigma-Aldrich
Product number
S440698
Product name
4-PHENYLAZO-M-PHENYLENEDIAMINE
Purity
AldrichCPR
Packaging
10MG
Price
$139
Updated
2024/03/01
AHH
Product number
MT-07716
Product name
2,4-Diaminoazobenzene
Purity
98%
Packaging
250g
Price
$450
Updated
2021/12/16
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2,4-DIAMINOAZOBENZENE Chemical Properties,Usage,Production

Uses

Dyeing silk and cotton. Biological stain.

Preparation

aniline diazotization, and Benzene-1,3-diamine coupling.

Definition

ChEBI: Chrysoidine free base is a member of azobenzenes.

Flammability and Explosibility

Not classified

Properties and Applications

dark yellow orange. Melting point is 118 ~ 118.5 ℃. Soluble in water for yellow orange, soluble in ethanol and Cellosolve, slightly soluble in acetone, insoluble in benzene. In concentrated sulfuric acid to yellow, to orange after diluted; In nitric acid for orange solution.

Standard Light Fastness Heat-resistant(℃) water Sodium Carbonate(5%) Hydrochloric acid(5%)
Melting point Stable
ISO Poor 118 ~ 118.5 90≥194

Sublimation

Poor Poor Dissolve

2,4-DIAMINOAZOBENZENE Preparation Products And Raw materials

Raw materials

Preparation Products

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2,4-DIAMINOAZOBENZENE Suppliers

China 57 Germany 1 India 10 Japan 1 United Kingdom 1 United States 8 Global 78
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View Lastest Price from 2,4-DIAMINOAZOBENZENE manufacturers

Winchem industrial co limited
Product
SOLVENT ORANGE 3 495-54-5
Price
US $0.00/kg
Min. Order
25kg
Purity
0.99
Supply Ability
20mt
Release date
2022-12-13
Career Henan Chemical Co
Product
2,4-diaminoazobenzene 495-54-5
Price
US $1.00/KG
Min. Order
1KG
Purity
Min98%HPLC
Supply Ability
g/kg/ton
Release date
2020-02-01

495-54-5, 2,4-DIAMINOAZOBENZENERelated Search:

Mordant Brown 33 MORDANT BROWN 48 CHRYSOIDINE R 2,4-DIAMINOAZOBENZENE MORDANT BROWN 1 FAT BROWN RR 4-(4-ETHOXYPHENYLAZO)-M-PHENYLENEDIAMINE MONOHYDROCHLORIDE MORDANT BROWN 4 2,4-DIAMINOAZOBENZENE HYDROCHLORIDE Basic Brown 1 DIANIL BROWN 3GN 5,5'-[(4-methyl-1,3-phenylene)bis(azo)]bis[toluene-2,4-diamine] BISMARCK BROWN R SOLVENT ORANGE 45,Solvent orange 45 (C.I. 11700) C.I. Solvent Orange 78,CI SOLVENT ORANGE 60,SOLVENT ORANGE 60 Solvent Orange 6A Solvent Orange 63,Solvent orange 63 (C.I. 68550) Solvent Orange 16 (C.I.),C.I. Solvent Orange 16

  • 4-(phenylazo)benzene-1,3-diamine
  • 1,3-Benzenediamine, 4-(phenylazo)-
  • azoaniline
  • azodianiline
  • C.I. Solvent Orange 3, base
  • Oil Orange Y
  • C.I.11270:1
  • SOLVENT ORANGE 3
  • WAXOLINE ORANGE Y
  • 2,4-Diaminoazobenzen
  • 4-(Phenylazo)-1,3-phenylenediamine
  • 4-[(E)-Phenyldiazenyl]-1,3-benzenediamine
  • Azobenzene-2,4-diamine
  • Azohel
  • C.I. Basic Orange 2
  • C.I. Basic Orange 2 (free base)
  • C.I. Solvent Orange 3
  • Chrysoidin A
  • Chrysoidine (free base)
  • Chrysoidine Base
  • Chrysoidine Base A
  • Chrysoidine Base B
  • Chrysoidine G Base
  • 2,4-DIAMINOAZOBENZENE
  • Solvent orange 3 (C.I. 11270:1)
  • 4-[(E)-Phenyldiazenyl]benzene-1,3-diamine
  • CHRYSOIDINE Y BASE
  • Chrysoidine YD Base
  • Diaminoazobenzene
  • Fat Brown GG
  • Grasan Chrysoidine
  • m-Phenylenediamine, 4-(phenylazo)-
  • Oranz rozpoustedlova 3
  • Oranz zasadita 2
  • 4-(Phenylazo)-1,3-benzenediamine
  • Chrysoidine J Base
  • Chrysoidine Y Base New
  • 2,4-DIAMINOAZOBENZENE ISO 9001：2015 REACH
  • 495-54-5---2,4-DIAMINOAZOBENZENE
  • Chrysoidine G (free base)
  • 495-54-5
  • H2NC6H42N2
  • C6H5N2C6H3NH22
  • Organics