Shanghai Nianxing Industrial Co., Ltd
China
Product Name: 2,2',5,5'-Tetrachloro-4,4'-biphenyldiamine
Price: Check
Purity: 99.0%
Stocking Period: 10 Day
Contact: Yang
Email: sales@echemcloud.com

Shanghai Jizhi Biochemical Technology Co., Ltd
China
Product Name: 2,2',5,5'-Tetrachloro-4,4'-biphenyldiamine
Price: ￥1048.0/100g ￥4708.0/500g ￥318.0/25g
Purity: 99.0%
Stocking Period: Inquiry
Contact: Liu jia
Email: 2130147988@qq.com

Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: 2,2',5,5'-Tetrachlorobenzidine
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

15721-02-5

15721-02-5 structure

Name: 2,2',5,5'-Tetrachloro-4,4'-biphenyldiamine
Chemical Name: 2,2',5,5'-Tetrachlorobenzidine
CAS Number: 15721-02-5
Molecular Formula: C₁₂H₈Cl₄N₂
Molecular Weight: 322.017
Catalog: Pharmaceutical intermediate Diphenylamine intermediate
Create Date: 2018-07-11 12:06:37
Modify Date: 2025-10-24 17:28:22

Name	2,2',5,5'-Tetrachlorobenzidine
Synonyms	2,2',5,5'-Tetrachloro-4,4'-biphenyldiamine 4,4'-Diamino-2,2',5,5'-tetrachlorobiphenyl EINECS 239-815-3 2,2′,5,5′-Tetrachlorobenzidine MFCD00043918 [1,1'-Biphenyl]-4,4'-diamine, 2,2',5,5'-tetrachloro- 4-(4-amino-2,5-dichlorophenyl)-2,5-dichloroaniline 2,2',5,5'-Tetrachlorobiphenyl-4,4'-diamine

Density	1.6±0.1 g/cm3
Boiling Point	408.2±40.0 °C at 760 mmHg
Melting Point	135-140 °C(lit.)
Molecular Formula	C₁₂H₈Cl₄N₂
Molecular Weight	322.017
Flash Point	200.7±27.3 °C
Exact Mass	319.944153
PSA	52.04000
LogP	4.83
Vapour Pressure	0.0±1.0 mmHg at 25°C
Index of Refraction	1.687
Storage condition	-70°C

CHEMICAL IDENTIFICATION

RTECS NUMBER :: DD1751000

CHEMICAL NAME :: Benzidine, 2,2',5,5'-tetrachloro-

CAS REGISTRY NUMBER :: 15721-02-5

BEILSTEIN REFERENCE NO. :: 3364286

LAST UPDATED :: 199701

DATA ITEMS CITED :: 8

MOLECULAR FORMULA :: C12-H8-Cl4-N2

MOLECULAR WEIGHT :: 322.02

WISWESSER LINE NOTATION :: ZR BG EG DR DZ CG FG

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 54 mg/kg/43W-C

TOXIC EFFECTS :: Tumorigenic - equivocal tumorigenic agent by RTECS criteria Kidney, Ureter, Bladder - tumors Blood - lymphoma, including Hodgkin's disease

REFERENCE :: JMEJAS Jikeikai Medical Journal. (Jikei Univ. School of Medicine, 3-25-8 Nishi-shinbashi, Minato-ku, Tokyo 105, Japan) V.1- 1954- Volume(issue)/page/year: 25,123,1978

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 36 mg/kg/43W-C

TOXIC EFFECTS :: Tumorigenic - Carcinogenic by RTECS criteria Kidney, Ureter, Bladder - tumors Blood - lymphoma, including Hodgkin's disease

REFERENCE :: JMEJAS Jikeikai Medical Journal. (Jikei Univ. School of Medicine, 3-25-8 Nishi-shinbashi, Minato-ku, Tokyo 105, Japan) V.1- 1954- Volume(issue)/page/year: 25,123,1978

TYPE OF TEST :: TD - Toxic dose (other than lowest)

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 300 gm/kg/43W-C

TOXIC EFFECTS :: Tumorigenic - Carcinogenic by RTECS criteria Skin and Appendages - tumors

REFERENCE :: IMEMDT IARC Monographs on the Evaluation of Carcinogenic Risk of Chemicals to Man. (WHO Publications Centre USA, 49 Sheridan Ave., Albany, NY 12210) V.1- 1972- Volume(issue)/page/year: 27,141,1982

TYPE OF TEST :: TD - Toxic dose (other than lowest)

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 900 gm/kg/43W-C

TOXIC EFFECTS :: Tumorigenic - equivocal tumorigenic agent by RTECS criteria Kidney, Ureter, Bladder - tumors

REFERENCE :: IMEMDT IARC Monographs on the Evaluation of Carcinogenic Risk of Chemicals to Man. (WHO Publications Centre USA, 49 Sheridan Ave., Albany, NY 12210) V.1- 1972- Volume(issue)/page/year: 27,141,1982 *** REVIEWS *** IARC Cancer Review:Animal Inadequate Evidence IMEMDT IARC Monographs on the Evaluation of Carcinogenic Risk of Chemicals to Man. (WHO Publications Centre USA, 49 Sheridan Ave., Albany, NY 12210) V.1- 1972- Volume(issue)/page/year: 27,141,1982 IARC Cancer Review:Human No Adequate Data IMEMDT IARC Monographs on the Evaluation of Carcinogenic Risk of Chemicals to Man. (WHO Publications Centre USA, 49 Sheridan Ave., Albany, NY 12210) V.1- 1972- Volume(issue)/page/year: 27,141,1982 IARC Cancer Review:Group 3 IMSUDL IARC Monographs, Supplement. (WHO Publications Centre USA, 49 Sheridan Ave., Albany, NY 12210) No.1- 1979- Volume(issue)/page/year: 7,56,1987

Hazard Codes	T
Risk Phrases	61
Safety Phrases	53-45
WGK Germany	3
RTECS	DD1751000
HS Code	2921590090

6392-96-7

15721-02-5

Literature: Journal of Scientific and Industrial Research, Section B: Physical Sciences, , vol. 6, p. 103,106

60696-76-6

15721-02-5

Literature: Journal of Scientific and Industrial Research, Section B: Physical Sciences, , vol. 5, p. 75

7647-01-0

6392-96-7

15721-02-5

Literature: Journal of Scientific and Industrial Research, , vol. 6B, p. 103,105

Precursor 3
60696-76-6 6392-96-7 7647-01-0
DownStream 4
35694-04-3 35693-99-3 35694-08-7 35065-27-1

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%

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