3,3',5,5'-Tetramethylbenzidine dihydrochloride
Also known as: TMB dihydrochloride, 3,3',5,5'-Tetramethylbiphenyl-4,4'-diamine dihydrochloride, 4-(4-Amino-3,5-dimethylphenyl)-2,6-dimethylaniline dihydrochloride, [1,1'-Biphenyl]-4,4'-diamine, 3,3',5,5'-tetramethyl-, hydrochloride (1:2), TMBZ HCl
3,3',5,5'-Tetramethylbenzidine dihydrochloride (CAS 64285-73-0) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C16H22Cl2N2 and a molecular weight of 313.27 g/mol. Key properties include a melting point of ≥300 °C, a boiling point of 368.6ºC at 760 mmHg and a flash point of 210.8ºC. It is listed by 1 supplier, from 17.60 to 17.60 CNY per 500g. Record last updated Nov 3, 2026.
- CAS No.
- 64285-73-0
- Jingsj CID
- J-29630-0
- Molecular Formula
- C16H22Cl2N2
- Molecular Weight
- 313.27 g/mol
- Category
- Organic Acids
- Last updated
- 11/3/2026
| Supplier | Purity / Pack | Base Price | Unit Price | Origin | |
|---|---|---|---|---|---|
Made to Order | 99% 500g | ¥8,800.00 | $2.63 /gBest ¥17.60/g CNY | CN China MOQ 500g |
Physicochemical Properties
| Melting Point | ≥300 °C |
|---|---|
| Boiling Point | 368.6ºC at 760 mmHg |
| Flash Point | 210.8ºC |
| Exact Mass | 312.115997 |
| PSA | 52.04000 |
| LogP | 6.51800 |
| SMILES | CC1=CC(=CC(=C1N)C)C2=CC(=C(C(=C2)C)N)C.Cl.Cl |
| InChIKey | NYNRGZULARUZCC-UHFFFAOYSA-N |
| InChI | 1S/C16H20N2.2ClH/c1-9-5-13(6-10(2)15(9)17)14-7-11(3)16(18)12(4)8-14;;/h5-8H,17-18H2,1-4H3;2*1H |
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 3,3',5,5'-Tetramethylbenzidine dihydrochloride?
The CAS number of 3,3',5,5'-Tetramethylbenzidine dihydrochloride is 64285-73-0.
What are the molecular formula and molecular weight of 3,3',5,5'-Tetramethylbenzidine dihydrochloride?
3,3',5,5'-Tetramethylbenzidine dihydrochloride has molecular formula C16H22Cl2N2 and molecular weight 313.27 g/mol.
Which suppliers offer 3,3',5,5'-Tetramethylbenzidine dihydrochloride?
1 supplier(s) listed; reference unit price ¥17.60–17.60 /g.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "3,3',5,5'-Tetramethylbenzidine dihydrochloride (CAS 64285-73-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-29630-0 (accessed 2026-11-06).
Data for reference only; verify product details with suppliers before purchase.