1-Bromo-2-butanone
Also known as: 2-Butanone, 1-bromo-, Bromomethyl ethyl ketone, 1-Bromobutan-2-one, 1-Brombutan-2-one, Brommethylethylketon
1-Bromo-2-butanone (CAS 816-40-0) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C4H7BrO and a molecular weight of 151.002 g/mol. Key properties include a boiling point of 155.9±0.0 °C at 760 mmHg, a density of 1.4±0.1 g/cm3 and a flash point of 68.3±0.0 °C. It is classified under GHS with signal word Warning and hazard statements H302 — Harmful if swallowed, H312 — Harmful in contact with skin and H332 — Harmful if inhaled. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 816-40-0
- Jingsj CID
- J-6870-1
- Molecular Formula
- C4H7BrO
- Molecular Weight
- 151.002 g/mol
- Category
- Ketones
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 155.9±0.0 °C at 760 mmHg |
|---|---|
| Density | 1.4±0.1 g/cm3 |
| Flash Point | 68.3±0.0 °C |
| Exact Mass | 149.968018 |
| PSA | 17.07000 |
| LogP | 1.07 |
| Vapor Pressure | 3.0±0.3 mmHg at 25°C |
| Refractive Index | 1.453 |
GHS Safety & Compliance
- H302 — Harmful if swallowed
- H312 — Harmful in contact with skin
- H332 — Harmful if inhaled
- H315 — Causes skin irritation
- H319 — Causes serious eye irritation
- H335 — May cause respiratory irritation
Customs & Trade Information
| HS Code | 2914700090 |
|---|---|
| Summary | HS: 2914700090 halogenated, sulphonated, nitrated or nitrosated derivatives of ketones and quinones, whether or not with other oxygen function Tax rebate rate:9.0% Supervision conditions:none VAT:17.0% MFN tariff:5.5% General tariff:30.0% |
Frequently Asked Questions
What is the CAS number of 1-Bromo-2-butanone?
The CAS number of 1-Bromo-2-butanone is 816-40-0.
What are the molecular formula and molecular weight of 1-Bromo-2-butanone?
1-Bromo-2-butanone has molecular formula C4H7BrO and molecular weight 151.002 g/mol.
Is 1-Bromo-2-butanone hazardous?
1-Bromo-2-butanone has GHS signal word Warning and hazard statements H302 — Harmful if swallowed; H312 — Harmful in contact with skin; H332 — Harmful if inhaled.
What are the upstream and downstream products of 1-Bromo-2-butanone?
For 1-Bromo-2-butanone, Upstream Products: 3-Chloro-2-butanone, Bis(cyclopentadienyl)dimethyltitanium, N,N-Diethylpropionamide; Downstream Products: 1-Hydroxy-2-butanone, 1-Acetoxy-2-butanone, 4-Ethylthiazol-2-amine.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "1-Bromo-2-butanone (CAS 816-40-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-6870-1 (accessed 2026-11-07).
Data for reference only; verify product details with suppliers before purchase.