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tert-Butyl 2-bromo-2-methylpropanoate

Also known as: t-Butyl 2-bromo isobutyrate, tert-Butyl 2-bromoisobutyrate, tert-Butyl α-bromoisobutyrate, 2-Bromo-2-methylpropionic acid tert-butyl ester, 2-Bromoisobutyric acid tert-butyl ester, tert-Butyl 2-bromo-2-methylpropionate, 2-Bromo-2-methylpropanoic acid 1,1-dimethylethyl ester, Propanoic acid, 2-bromo-2-methyl-, 1,1-dimethylethyl ester

tert-Butyl 2-bromo-2-methylpropanoate (CAS 23877-12-5) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C8H15BrO2 and a molecular weight of 223.107 g/mol. Key properties include a boiling point of 175.5±8.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 66.8±11.9 °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.
23877-12-5
Jingsj CID
J-42399-4
Molecular Formula
C8H15BrO2
Molecular Weight
223.107 g/mol
Category
Organic Acids
Last updated
8/21/2026
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Physicochemical Properties

Boiling Point175.5±8.0 °C at 760 mmHg
Density1.3±0.1 g/cm3
Flash Point66.8±11.9 °C
Exact Mass222.025528
PSA26.30000
LogP2.76
Vapor Pressure1.1±0.3 mmHg at 25°C
Refractive Index1.460

GHS Safety & Compliance

IrritantSignal word: Warning
  • H302 — Harmful if swallowed
  • H315 — Causes skin irritation
  • H319 — Causes serious eye irritation
  • H335 — May cause respiratory irritation

Frequently Asked Questions

What is the CAS number of tert-Butyl 2-bromo-2-methylpropanoate?

The CAS number of tert-Butyl 2-bromo-2-methylpropanoate is 23877-12-5.

What are the molecular formula and molecular weight of tert-Butyl 2-bromo-2-methylpropanoate?

tert-Butyl 2-bromo-2-methylpropanoate has molecular formula C8H15BrO2 and molecular weight 223.107 g/mol.

Is tert-Butyl 2-bromo-2-methylpropanoate hazardous?

tert-Butyl 2-bromo-2-methylpropanoate 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 2-bromo-2-methylpropanoate?

For tert-Butyl 2-bromo-2-methylpropanoate, Upstream Products: 2-bromo-2-methylpropanoyl bromide, tert-Butanol, 2-Bromo-2-methylpropionic acid; Downstream Products: tert-Butyl methacrylate, tert-butyl 2-amino-2-methylpropanoate, (Z)-2-(2-Tritylaminothiazol-4-yl)-2-(2-tert-butoxycarbonylprop-2-oxyimino)acetic 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 2-bromo-2-methylpropanoate (CAS 23877-12-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-42399-4 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.