2,3-Dimethylindole
Also known as: 1H-Indole, 2,3-dimethyl-, 2,3-DIMETHYL-1H-INDOLE, 2,3-DIMETHYLINDOLE, 2,3-DIMETHYLINDOLE, 97+%, 2,3-DIMETHYLINDOLINE, 2,3-Dimethyl-1H-indole, 2,3-dimethylindole, 2,3-dimethyl-1h-indol, 2,3-dimethyl-indol, EINECS 202-076-2, Indole, 2,3-dimethyl-, MFCD00005707
2,3-Dimethylindole (CAS 91-55-4) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C10H11N and a molecular weight of 145.201 g/mol. Key properties include a melting point of 105-107 °C(lit.), a boiling point of 283.4±9.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 120.8±11.3 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 91-55-4
- Jingsj CID
- J-1361145-5
- Molecular Formula
- C10H11N
- Molecular Weight
- 145.201 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 105-107 °C(lit.) |
|---|---|
| Boiling Point | 283.4±9.0 °C at 760 mmHg |
| Density | 1.1±0.1 g/cm3 |
| Flash Point | 120.8±11.3 °C |
| Exact Mass | 145.089142 |
| PSA | 15.79000 |
| LogP | 3.06 |
| Vapor Pressure | 0.0±0.6 mmHg at 25°C |
| Refractive Index | 1.636 |
Customs & Trade Information
| HS Code | 2933990090 |
|---|---|
| Summary | 2933990090. heterocyclic compounds with nitrogen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0% |
Frequently Asked Questions
What is the CAS number of 2,3-Dimethylindole?
The CAS number of 2,3-Dimethylindole is 91-55-4.
What are the molecular formula and molecular weight of 2,3-Dimethylindole?
2,3-Dimethylindole has molecular formula C10H11N and molecular weight 145.201 g/mol.
What are the upstream and downstream products of 2,3-Dimethylindole?
For 2,3-Dimethylindole, Upstream Products: Phenylhydrazine, 2,3-dimethylindoline, 2,3-Butanedione; Downstream Products: 1,2-Dimethyl-1H-indole-3-carboxaldehyde, (E)-2-methyl-3-(2-nitrovinyl)-1H-indole, 1H-Indole-2-carboxaldehyde, 3-methyl-.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "2,3-Dimethylindole (CAS 91-55-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1361145-5 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.