tert-Butyl 3-bromopropionate
Also known as: tert-Butyl 3-bromopropanoate, 1,1-dimethylethyl 3-bromopropionate, 2-Methyl-2-propanyl 3-bromopropanoate, 3-Bromopropanoic acid, tert-butyl ester, Propanoic acid, 3-bromo-, 1,1-dimethylethyl ester, Nsc82471, t-Butylbromopropinate, MFCD04974087
tert-Butyl 3-bromopropionate (CAS 55666-43-8) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C7H13BrO2 and a molecular weight of 209.081 g/mol. Key properties include a boiling point of 188.8±13.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 100.6±10.2 °C. It is classified under GHS with signal word Warning and hazard statements H302 — Harmful if swallowed, H315 — Causes skin irritation and H319 — Causes serious eye irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 55666-43-8
- Jingsj CID
- J-1449894-3
- Molecular Formula
- C7H13BrO2
- Molecular Weight
- 209.081 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 188.8±13.0 °C at 760 mmHg |
|---|---|
| Density | 1.3±0.1 g/cm3 |
| Flash Point | 100.6±10.2 °C |
| Exact Mass | 208.009888 |
| PSA | 26.30000 |
| LogP | 2.38 |
| Vapor Pressure | 0.6±0.4 mmHg at 25°C |
| Refractive Index | 1.459 |
GHS Safety & Compliance
- H302 — Harmful if swallowed
- H315 — Causes skin irritation
- H319 — Causes serious eye irritation
- H335 — May cause respiratory irritation
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 tert-Butyl 3-bromopropionate?
The CAS number of tert-Butyl 3-bromopropionate is 55666-43-8.
What are the molecular formula and molecular weight of tert-Butyl 3-bromopropionate?
tert-Butyl 3-bromopropionate has molecular formula C7H13BrO2 and molecular weight 209.081 g/mol.
Is tert-Butyl 3-bromopropionate hazardous?
tert-Butyl 3-bromopropionate has GHS signal word Warning and hazard statements H302 — Harmful if swallowed; H315 — Causes skin irritation; H319 — Causes serious eye irritation.
What are the upstream and downstream products of tert-Butyl 3-bromopropionate?
For tert-Butyl 3-bromopropionate, Upstream Products: tert-Butyl 3-hydroxypropanoate, 3-Bromopropanoic acid, Isobutylene; Downstream Products: Tri-n-butyltin bromide, 3-Bromopropanoic acid.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "tert-Butyl 3-bromopropionate (CAS 55666-43-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1449894-3 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.