CAS No.15721-02-5,2,2',5,5'-Tetrachlorobenzidine Suppliers

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Basic Information

Molecular Structure:
CAS No.:	15721-02-5
Name:	2,2',5,5'-Tetrachlorobenzidine
Article Data:	5

Formula:	C₁₂H₈Cl₄N₂
Molecular Weight:	322.021
Synonyms:	Benzidine,2,2',5,5'-tetrachloro- (6CI,8CI);2,2',5,5'-Tetrachlorobenzidine;3,3',6,6'-Tetrachlorobenzidine;4,4'-Diamino-2,2',5,5'-tetrachlorobiphenyl;Tetradine;
EINECS:	239-815-3
Density:	1.555 g/cm³
Melting Point:	135-140 °C(lit.)
Boiling Point:	408.196 °C at 760 mmHg
Flash Point:	200.67 °C
Hazard Symbols:	T
Risk Codes:	61
Safety:	53-45
PSA:	52.04000
LogP:	6.29400

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Chemistry

IUPAC Name: 4-(4-amino-2,5-dichlorophenyl)-2,5-Dichloroaniline (15721-02-5)
Synonyms: (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 ; 2,2’,5,5’-Tetrachloro-benzidin ; 3,3’,6,6’-Tetrachlorobenzidine ; 2,2',5,5'-Tetrachlorobenzidine ; 4,4'-Diamine-2,2',5,5'-Tetrachlorobenzidine ; 4,4'-Diamino-5,5',2,2'-tetrachlorobiphenyl
CAS: 15721-02-5
Molecular Formula: C₁₂H₈C_l4N₂
Molecular Weight: 322.02
Molecular Structure:
EINECS: 239-815-3
Product Categories: Intermediates of Dyes and Pigments;Biphenyl & Diphenyl ether
Mol File: 15721-02-5.mol
Surface Tension: 59.7 dyne/cm
Density: 1.555 g/cm³
Flash Point: 205.5 °C
Melting point:135-140 °C(lit.)
Enthalpy of Vaporization: 66.94 kJ/mol
Boiling Point: 416.2 °C at 760 mmHg
Vapour Pressure: 3.89E-07 mmHg at 25°C

History

Tetrachlorobenzidine (15721-02-5) is an intermediate in the industrial manufacture of dyes and pigments, is classified as a human carcinogen or a probable putative human carcinogen in USA. During the production of Tetrachlorobenzidine (15721-02-5), substantial quantities of industrial effluents are generated. A lab-scale combination process, composed by micro-electrochemical oxidation, air-stripping and aerobic biological processes, was carried out for the treatment of Tetrachlorobenzidine (15721-02-5) wastewater from the two-staged neutralization dissolved by methanol.

Uses

Tetrachlorobenzidine (15721-02-5) is used for the manufacture of high-grade organic pigments.

Safety Profile

WGK Germany : 3
RTECS: DD1751000