Product

2,2',5,5'-Tetrachlorobenzidine

CAS No.：15721-02-5

Other grades of this product :

2,2',5,5'-Tetrachlorobenzidine Basic information

Product Name:	2,2',5,5'-Tetrachlorobenzidine
Synonyms:	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
CAS:	15721-02-5
MF:	C12H8Cl4N2
MW:	322.02
EINECS:	239-815-3
Product Categories:	Biphenyl & Diphenyl ether;Intermediates of Dyes and Pigments
Mol File:	15721-02-5.mol

2,2',5,5'-Tetrachlorobenzidine Chemical Properties

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)

Safety Information

Hazard Codes	T
Risk Statements	61
Safety Statements	53-45
WGK Germany	3
RTECS	DD1751000

MSDS Information

Provider	Language
SigmaAldrich	English

2,2',5,5'-Tetrachlorobenzidine Usage And Synthesis

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

Preparation Products

Pigment Yellow 81

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