5-Bromo-2-methylaniline
5-溴-2-甲基苯胺
Also known as: 2-Amino-4-bromotoluene, 2-Methyl-5-bromoaniline, 5-Bromo-o-toluidine, 3-Bromo-6-methylaniline, 5-Bromo-2-methylbenzenamine, 5-Bromo-2-methylphenylamine, Benzenamine, 5-bromo-2-methyl-
5-Bromo-2-methylaniline (CAS 39478-78-9) is a compound in the Organic Bases category listed in the Jingsj chemical database. It has the molecular formula C7H8BrN and a molecular weight of 186.049 g/mol. It is also known as 2-Amino-4-bromotoluene, 2-Methyl-5-bromoaniline and 5-Bromo-o-toluidine. Key properties include a melting point of 33 °C(lit.), a boiling point of 260.3±20.0 °C at 760 mmHg, a density of 1.5±0.1 g/cm3 and a flash point of 111.2±21.8 °C. It is classified under GHS with signal word Warning and hazard statements H302 — Harmful if swallowed, H312 — Harmful in contact with skin and H315 — Causes skin irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 39478-78-9
- Jingsj CID
- J-36913-2
- Molecular Formula
- C7H8BrN
- Chinese Name
- 5-溴-2-甲基苯胺
- Molecular Weight
- 186.049 g/mol
- Category
- Organic Bases
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 33 °C(lit.) |
|---|---|
| Boiling Point | 260.3±20.0 °C at 760 mmHg |
| Density | 1.5±0.1 g/cm3 |
| Flash Point | 111.2±21.8 °C |
| Exact Mass | 184.984009 |
| PSA | 26.02000 |
| LogP | 2.56 |
| Vapor Pressure | 0.0±0.5 mmHg at 25°C |
| Refractive Index | 1.609 |
GHS Safety & Compliance
- H302 — Harmful if swallowed
- H312 — Harmful in contact with skin
- H315 — Causes skin irritation
- H319 — Causes serious eye irritation
- H332 — Harmful if inhaled
- H335 — May cause respiratory irritation
Customs & Trade Information
| HS Code | 2921430090 |
|---|---|
| Summary | HS:2921430090 toluidines and their derivatives; salts thereof VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:6.5% General tariff:30.0% |
Frequently Asked Questions
What is the CAS number of 5-Bromo-2-methylaniline?
The CAS number of 5-Bromo-2-methylaniline is 39478-78-9.
What are the molecular formula and molecular weight of 5-Bromo-2-methylaniline?
5-Bromo-2-methylaniline has molecular formula C7H8BrN and molecular weight 186.049 g/mol.
Is 5-Bromo-2-methylaniline hazardous?
5-Bromo-2-methylaniline has GHS signal word Warning and hazard statements H302 — Harmful if swallowed; H312 — Harmful in contact with skin; H315 — Causes skin irritation.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "5-Bromo-2-methylaniline (CAS 39478-78-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-36913-2 (accessed 2026-10-28).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.