3,3'-Dichlorobenzidine 2HCl

Modify Date: 2025-08-20 17:04:18

3,3'-Dichlorobenzidine 2HCl Structure
3,3'-Dichlorobenzidine 2HCl structure
 Common Name 3,3'-Dichlorobenzidine 2HCl
CAS Number 612-83-9 Molecular Weight 326.049
Density N/A Boiling Point 385ºC at 760 mmHg
Molecular Formula C12H12Cl4N2 Melting Point 132~137℃
MSDS Chinese USA Flash Point N/A
Symbol GHS07 GHS08 GHS09
GHS07, GHS08, GHS09		 Signal Word Danger

 Names

Name 4-(4-amino-3-chlorophenyl)-2-chloroaniline,dihydrochloride
Synonym More Synonyms

 Chemical & Physical Properties

Boiling Point 385ºC at 760 mmHg
Melting Point 132~137℃
Molecular Formula C12H12Cl4N2
Molecular Weight 326.049
Exact Mass 323.975464
PSA 52.04000
LogP 6.59120
Stability Stable, but may be air or light sensitive. Incompatible with strong oxidizing agents.
Water Solubility <0.1 g/100 mL at 21.5 ºC

 Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :
DD0550000
CHEMICAL NAME :
Benzidine, 3,3'-dichloro-, dihydrochloride
CAS REGISTRY NUMBER :
612-83-9
LAST UPDATED :
199710
DATA ITEMS CITED :
6
MOLECULAR FORMULA :
C12-H10-Cl2-N2.2Cl-H
MOLECULAR WEIGHT :
326.06
WISWESSER LINE NOTATION :
ZR BG D- 2 &GH &GH

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
3820 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value

MUTATION DATA

TYPE OF TEST :
Mutation in microorganisms
TEST SYSTEM :
Bacteria - Salmonella typhimurium
DOSE/DURATION :
10 ug/plate
REFERENCE :
ENMUDM Environmental Mutagenesis. (New York, NY) V.1-9, 1979-87. For publisher information, see EMMUEG. Volume(issue)/page/year: 5(Suppl 1),3,1983 *** U.S. STANDARDS AND REGULATIONS *** OSHA-cancer suspect agent CFRGBR Code of Federal Regulations. (U.S. Government Printing Office, Supt. of Documents, Washington, DC 20402) Volume(issue)/page/year: 29,1910.1007,1987

 Safety Information

Symbol GHS07 GHS08 GHS09
GHS07, GHS08, GHS09
Signal Word Danger
Hazard Statements H312-H317-H350-H410
Precautionary Statements P201-P280-P308 + P313
Hazard Codes T:Toxic;N:Dangerousfortheenvironment;
Risk Phrases R45;R21;R43;R50/53
Safety Phrases S53-S45-S60-S61
RIDADR UN 3077 9/PG 3
WGK Germany 3
RTECS DD0550000
HS Code 2921590090

 Customs

HS Code 2921590090
Summary 2921590090. other aromatic polyamines and their derivatives; salts thereof. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:30.0%

 Articles1

More Articles
Liver and urinary bladder tumors in dogs from 3,3'-dichlorobenzidine.

J. Environ. Pathol. Toxicol. Oncol. 1 , 475-490, (1978)

Six female beagle dogs were given, by capsule, a daily oral dose of 100 mg of 3,3'-dichlorobenzidine (DCB), 3 times per week for 6 weeks, then 5 times per week continuously for periods up to 7.1 years...

 Synonyms

3,3'-Dichlorobenzidine 2HCl
3,3'-Dichlorobiphenyl-4,4'-diamine dihydrochloride
Benzidine,3,3'-dichloro-,dihydrochloride
[1,1'-Biphenyl]-4,4'-diamine, 3,3'-dichloro-, hydrochloride (1:2)
[1,1'-Biphenyl]-4,4'-diamine, 3,3'-dichloro-, dihydrochloride
3,3'-Dichloro-4,4'-biphenyldiamine dihydrochloride
3,3'-DICHLOROBENZIDINE DIHYDROCHLORIDE
MFCD00040388
EINECS 210-323-0
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