2,2',5,5'-Tetrachlorobenzidine
Also known as: 2,2',5,5'-Tetrachlorobenzidine, 2,2',5,5'-Tetrachlorobiphenyl-4,4'-diamine, 4,4'-Diamino-2,2',5,5'-tetrachlorobiphenyl, TCB, Benzidine, 2,2',5,5'-tetrachloro-, [1,1'-Biphenyl]-4,4'-diamine, 2,2',5,5'-tetrachloro-, MFCD00043918, EINECS 239-815-3
2,2',5,5'-Tetrachlorobenzidine (CAS 15721-02-5) is a compound in the Organic Bases category listed in the Jingsj chemical database. It has the molecular formula C12H8Cl4N2 and a molecular weight of 322.017 g/mol. Key properties include a melting point of 135-140 °C(lit.), a boiling point of 408.2±40.0 °C at 760 mmHg, a density of 1.6±0.1 g/cm3 and a flash point of 200.7±27.3 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 15721-02-5
- Jingsj CID
- J-1113963-2
- Molecular Formula
- C12H8Cl4N2
- Molecular Weight
- 322.017 g/mol
- Category
- Organic Bases
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 135-140 °C(lit.) |
|---|---|
| Boiling Point | 408.2±40.0 °C at 760 mmHg |
| Density | 1.6±0.1 g/cm3 |
| Flash Point | 200.7±27.3 °C |
| Exact Mass | 319.944153 |
| PSA | 52.04000 |
| LogP | 4.83 |
| Vapor Pressure | 0.0±1.0 mmHg at 25°C |
| Refractive Index | 1.687 |
| Storage Conditions | -70°C |
Customs & Trade Information
| 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% |
Frequently Asked Questions
What is the CAS number of 2,2',5,5'-Tetrachlorobenzidine?
The CAS number of 2,2',5,5'-Tetrachlorobenzidine is 15721-02-5.
What are the molecular formula and molecular weight of 2,2',5,5'-Tetrachlorobenzidine?
2,2',5,5'-Tetrachlorobenzidine has molecular formula C12H8Cl4N2 and molecular weight 322.017 g/mol.
What are the upstream and downstream products of 2,2',5,5'-Tetrachlorobenzidine?
For 2,2',5,5'-Tetrachlorobenzidine, Downstream Products: 2,2',3,3',5,5'-hexachlorobiphenyl, 2,2',5,5'-Tetrachlorobiphenyl, 2,2',3,3',4,4',5,5'-Octachlorobiphenyl.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "2,2',5,5'-Tetrachlorobenzidine (CAS 15721-02-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1113963-2 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.