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tert-Butyl 4-bromobutanoate

Also known as: t-Butyl 4-bromobutyrate, T-BUTYL 4-BROMOBUTYRATE, 4-Bromobutanoic acid tert-butyl ester, Butanoic acid, 4-bromo-, 1,1-dimethylethyl ester, 1,1-Dimethylethyl 4-bromobutanoate, Elagolix Impurity 12, Elagolix Impurity 32

tert-Butyl 4-bromobutanoate (CAS 110661-91-1) 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 222.283 g/mol. Key properties include a boiling point of 382.3±25.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 185.0±23.2 °C. No supplier offers are currently listed; request a quote. Record last updated Nov 2, 2026.

CAS No.
110661-91-1
Jingsj CID
J-1073193-8
Molecular Formula
C8H15BrO2
Molecular Weight
222.283 g/mol
Category
Organic Acids
Last updated
11/2/2026

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Physicochemical Properties

Boiling Point382.3±25.0 °C at 760 mmHg
Density1.1±0.1 g/cm3
Flash Point185.0±23.2 °C
Exact Mass222.136826
PSA64.35000
LogP1.61
Vapor Pressure0.0±0.9 mmHg at 25°C
Refractive Index1.542
Storage Conditions2-8°C

Customs & Trade Information

HS Code2915900090
Summary2915900090 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 4-bromobutanoate?

The CAS number of tert-Butyl 4-bromobutanoate is 110661-91-1.

What are the molecular formula and molecular weight of tert-Butyl 4-bromobutanoate?

tert-Butyl 4-bromobutanoate has molecular formula C8H15BrO2 and molecular weight 222.283 g/mol.

What are the upstream and downstream products of tert-Butyl 4-bromobutanoate?

For tert-Butyl 4-bromobutanoate, Upstream Products: 4-Bromobutyric acid, tert-Butanol, Isobutylene.

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 4-bromobutanoate (CAS 110661-91-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1073193-8 (accessed 2026-11-09).

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