3,3',5,5'-Tetramethylbenzidine
Also known as: TMB, Tetramethylbenzidine, 3,3',5,5'-Tetramethyl-4,4'-biphenyldiamine, 3,3',5,5'-Tetramethylbiphenyl-4,4'-diamine, UNII-3B3T5CB8EO
3,3',5,5'-Tetramethylbenzidine (CAS 54827-17-7) is a compound in the Organic Bases category listed in the Jingsj chemical database. It has the molecular formula C16H20N2 and a molecular weight of 240.343 g/mol. Key properties include a melting point of 168-171 °C(lit.), a boiling point of 368.6±37.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 210.8±26.0 °C. It is listed by 1 supplier, from 25.00 to 53.00 CNY. Record last updated Aug 21, 2026.
- CAS No.
- 54827-17-7
- Jingsj CID
- J-32687-6
- Molecular Formula
- C16H20N2
- Molecular Weight
- 240.343 g/mol
- Category
- Organic Bases
- Last updated
- 8/21/2026
| Supplier | Purity / Pack | Base Price | Unit Price | Origin | |
|---|---|---|---|---|---|
In Stock | 98% 100g | ¥2,500.00 | $3.74 /gBest ¥25.00/g CNY | CN China MOQ 100g | |
In Stock | 98% 25g | ¥800.00 | $4.79 /g ¥32.00/g CNY | CN China MOQ 25g | |
In Stock | [用于生化研究]>98.0%(N) 5g | ¥220.00 | $6.58 /g ¥44.00/g CNY | CN China MOQ 5g |
Physicochemical Properties
| Melting Point | 168-171 °C(lit.) |
|---|---|
| Boiling Point | 368.6±37.0 °C at 760 mmHg |
| Density | 1.1±0.1 g/cm3 |
| Flash Point | 210.8±26.0 °C |
| Exact Mass | 240.162643 |
| PSA | 52.04000 |
| LogP | 3.40 |
| Vapor Pressure | 0.0±0.8 mmHg at 25°C |
| Refractive Index | 1.618 |
| Additional Property | Slightly soluble. |
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?
The CAS number of 3,3',5,5'-Tetramethylbenzidine is 54827-17-7.
What are the molecular formula and molecular weight of 3,3',5,5'-Tetramethylbenzidine?
3,3',5,5'-Tetramethylbenzidine has molecular formula C16H20N2 and molecular weight 240.343 g/mol.
Which suppliers offer 3,3',5,5'-Tetramethylbenzidine?
1 supplier(s) listed; reference unit price ¥25.00–53.00 /g.
What are the upstream and downstream products of 3,3',5,5'-Tetramethylbenzidine?
For 3,3',5,5'-Tetramethylbenzidine, Upstream Products: 4-chloro-2,6-dimethylaniline, 4-Bromo-2,6-dimethylaniline, (2,6-Dimethylphenyl)hydrazine.
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 (CAS 54827-17-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-32687-6 (accessed 2026-11-06).
Data for reference only; verify product details with suppliers before purchase.