ChemicalBook > CAS DataBase List > 2,2',5,5'-Tetrachlorobenzidine

2,2',5,5'-Tetrachlorobenzidine

Product Name
2,2',5,5'-Tetrachlorobenzidine
CAS No.
15721-02-5
Chemical Name
2,2',5,5'-Tetrachlorobenzidine
Synonyms
TCB;PK3;OIP3;PKM1 active human;2,2',5,5'-Tetrachlor;2,2',5,5'-TETRACHLOROBENZIDINE;2,2’,5,5’-tetrachloro-benzidin;3,3’,6,6’-tetrachlorobenzidine;2,2',5,5'-tetrachlorobenzidine;2,2,5,5-TETRACHLOROBENZIDINE 98+%
CBNumber
CB6411730
Molecular Formula
C12H8Cl4N2
Formula Weight
322.02
MOL File
15721-02-5.mol
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2,2',5,5'-Tetrachlorobenzidine Property

Melting point:
135-140 °C(lit.)
Boiling point:
477.67°C (rough estimate)
Density 
1.5309 (rough estimate)
refractive index 
1.6000 (estimate)
storage temp. 
-70°C
solubility 
soluble in Methanol
form 
powder to crystal
pka
1.58±0.13(Predicted)
color 
Light yellow to Yellow to Orange
CAS DataBase Reference
15721-02-5(CAS DataBase Reference)
IARC
3 (Vol. 27, Sup 7) 1987
EPA Substance Registry System
[1,1'-Biphenyl]-4,4'-diamine, 2,2',5,5'-tetrachloro- (15721-02-5)
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Safety

Hazard Codes 
T
Risk Statements 
61
Safety Statements 
53-45
WGK Germany 
3
RTECS 
DD1751000
HS Code 
2921.59.8090
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Hazard and Precautionary Statements (GHS)

Symbol(GHS)
Signal word
Warning
Hazard statements

H315Causes skin irritation

H319Causes serious eye irritation

Precautionary statements

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

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

P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

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

P337+P313IF eye irritation persists: Get medical advice/attention.

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N-Bromosuccinimide Price

Sigma-Aldrich
Product number
SRP0415
Product name
PKM1 active human
Purity
recombinant, expressed in E. coli, ≥80% (SDS-PAGE)
Packaging
20μG
Price
$653
Updated
2024/03/01
TCI Chemical
Product number
T0933
Product name
2,2',5,5'-Tetrachlorobenzidine
Purity
>98.0%(HPLC)(N)
Packaging
25g
Price
$70
Updated
2024/03/01
TCI Chemical
Product number
T0933
Product name
2,2',5,5'-Tetrachlorobenzidine
Purity
>98.0%(HPLC)(N)
Packaging
500g
Price
$576
Updated
2024/03/01
TRC
Product number
T204568
Product name
2,2'',5,5''-Tetrachlorobenzidine
Packaging
250mg
Price
$45
Updated
2021/12/16
TRC
Product number
T204568
Product name
2,2'',5,5''-Tetrachlorobenzidine
Packaging
2.5g
Price
$75
Updated
2021/12/16
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2,2',5,5'-Tetrachlorobenzidine Chemical Properties,Usage,Production

Definition

ChEBI: 2,2',5,5'-Tetrachlorobenzidine is a member of biphenyls and a dichlorobenzene.

Production Methods

2,2' ,5,5' -Tetrachlorobenzidine is made by the reduction of 2,5-dichloronitrobenzene with zinc dust and sodium hydroxide solution. The subsequent rearrangement is carried out using sulfuric acid or hydrochloric acid. The dihydrochloride melts at 230 ℃. Tetrachlorobenzidine is marketed as the free base and is used to produce yellow pigments.

Safety Profile

Suspected carcinogen with experimental carcinogenic and tumorigenic data. When heated to decomposition it emits very toxic fumes of NO, and Cl-.

2,2',5,5'-Tetrachlorobenzidine Preparation Products And Raw materials

Raw materials

Preparation Products

Pigment Yellow 81
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2,2',5,5'-Tetrachlorobenzidine Suppliers

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View Lastest Price from 2,2',5,5'-Tetrachlorobenzidine manufacturers

Henan Fengda Chemical Co., Ltd
Product
2,2',5,5'-Tetrachlorobenzidine 15721-02-5
Price
US $8.00-2.00/kg
Min. Order
1kg
Purity
99%
Supply Ability
g-kg-tons, free sample is available
Release date
2024-04-24
Career Henan Chemical Co
Product
2,2',5,5'-Tetrachlorobenzidine 15721-02-5
Price
US $1.00/kg
Min. Order
1kg
Purity
99%
Supply Ability
Customized
Release date
2018-12-22

15721-02-5, 2,2',5,5'-TetrachlorobenzidineRelated Search:

HYDRAZINE Biphenyl 3,3'-Dichlorobenzidine Sodium diphenylamine-4-sulfonate 4-Aminodiphenylamine Diphenylamine 2,2',5-TRICHLOROBIPHENYL 2,5-DICHLOROTOLUENE 3,3'-Dichlorobenzidine dihydrochloride 2,3',5-TRICHLOROBIPHENYL Benzidine dihydrochloride Pigment Yellow 81 2,5-DICHLOROBIPHENYL 2,2'-dichlorobenzidine 2-CHLOROBIPHENYL 2,2'-DICHLOROBIPHENYL 3-CHLOROBIPHENYL 2,2',5,5'-TETRACHLOROBIPHENYL

  • 4-(4-aminophenyl)-N,N,2,3-tetrachloroaniline
  • 4,4'-diamino-5,5',2,2'-tetrachlorobiphenyl
  • 2,2,5,5-TETRACHLORO-4,4-DIAMINOBIPHENYL
  • 2,2,5,5-TETRACHLOROBENZIDINE 98+%
  • 2,2',5,5'-Tetrachloro-[1,1'-Biphenyl]-4,4'-diamine
  • 2,2',5,5'-TETRACHLOROBENZIDINE
  • 4,4'-DIAMINO-2,2',5,5'-TETRACHLOROBIPHENYL
  • 2,2',5,5'-Tetrachlorobiphenyl-4,4'-diamine
  • TCB
  • Benzidine, 2,2',5,5'-tetrachloro-
  • 2,2',5,5'-Tetrachlor
  • OIP3
  • PK3
  • PKM1 active human
  • 2,2’,5,5’-tetrachloro-benzidin
  • 3,3’,6,6’-tetrachlorobenzidine
  • 1’-biphenyl)-4,4’-diamine,2,2’,5,5’-tetrachloro-(
  • 1’-biphenyl]-4,4’-diamine,2,2’,5,5’-tetrachloro-[
  • 2,2’,5,5’-tetrachloro-4,4’-diaminodiphenyl
  • [1,1'-Biphenyl]-4,4'-diamine, 2,2',5,5'-tetrachloro-
  • 2,2',5,5'-Tetrachlorobenzidine ISO 9001：2015 REACH
  • 2,2',5,5'-tetrachlorobenzidine
  • 15721-02-5
  • -C6H2Cl24NH22
  • C12H8Cl4N2
  • Biphenyl & Diphenyl ether
  • Intermediates of Dyes and Pigments