2-bromo-2-methylpropanoyl bromide
Also known as: 2-bromo-2-methylpropionyl bromide, 2-bromoisobutyryl bromide, alpha-bromoisobutyryl bromide, BIBB, bromodimethylacetyl bromide, 2-bromo-isobutyric acid bromide
2-bromo-2-methylpropanoyl bromide (CAS 20769-85-1) is a compound in the Organohalogen Compounds category listed in the Jingsj chemical database. It has the molecular formula C4H6Br2O and a molecular weight of 229.89800 g/mol. Key properties include a boiling point of 162-164 °C(lit.), a density of 1.86 g/mL at 20 °C and a flash point of >110°C. It is classified under GHS with signal word Danger and hazard statements H302 — Harmful if swallowed and H314 — Causes severe skin burns and eye damage. No supplier offers are currently listed; request a quote. Record last updated Nov 3, 2026.
- CAS No.
- 20769-85-1
- Jingsj CID
- J-1161478-1
- Molecular Formula
- C4H6Br2O
- Molecular Weight
- 229.89800 g/mol
- Category
- Organohalogen Compounds
- Last updated
- 11/3/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 162-164 °C(lit.) |
|---|---|
| Density | 1.86 g/mL at 20 °C |
| Flash Point | >110°C |
| Exact Mass | 227.87900 |
| PSA | 17.07000 |
| LogP | 2.08140 |
| Vapor Pressure | 2.11mmHg at 25°C |
| Refractive Index | n20/D 1.507(lit.) |
| Additional Property | reacts |
GHS Safety & Compliance
- H302 — Harmful if swallowed
- H314 — Causes severe skin burns and eye damage
Customs & Trade Information
| HS Code | 2915900090 |
|---|---|
| Summary | 2915900090 other saturated acyclic monocarboxylic acids and their anhydrides, halides, peroxides and peroxyacids; their halogenated, sulphonated, nitrated or nitrosated derivatives VAT:17.0% Tax rebate rate:9.0% Supervision conditions:AB(certificate of inspection for goods inward,certificate of inspection for goods outward) MFN tariff:5.5% General tariff:30.0% |
Frequently Asked Questions
What is the CAS number of 2-bromo-2-methylpropanoyl bromide?
The CAS number of 2-bromo-2-methylpropanoyl bromide is 20769-85-1.
What are the molecular formula and molecular weight of 2-bromo-2-methylpropanoyl bromide?
2-bromo-2-methylpropanoyl bromide has molecular formula C4H6Br2O and molecular weight 229.89800 g/mol.
Is 2-bromo-2-methylpropanoyl bromide hazardous?
2-bromo-2-methylpropanoyl bromide has GHS signal word Danger and hazard statements H302 — Harmful if swallowed; H314 — Causes severe skin burns and eye damage.
What are the upstream and downstream products of 2-bromo-2-methylpropanoyl bromide?
For 2-bromo-2-methylpropanoyl bromide, Upstream Products: Isobutyryl bromide, Isobutyryl chloride, Isobutyric acid; Downstream Products: 2-Methyl-1-indanone, 5-Fluoro-2-methylindan-1-one, Isopropyl 2-bromo-2-methylpropanoate.
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-bromo-2-methylpropanoyl bromide (CAS 20769-85-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1161478-1 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.