Skip to main content

Benzyl isobutyrate

Also known as: Benzyl 2-methylpropanoate, Isobutyric acid benzyl ester, 2-Methylpropionic acid benzyl ester, phenylmethyl 2-methylpropanoate, 2-methylpropanoic acid phenylmethyl ester

Benzyl isobutyrate (CAS 103-28-6) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C11H14O2 and a molecular weight of 178.228 g/mol. Key properties include a boiling point of 235.0±9.0 °C at 760 mmHg, a density of 1.0±0.1 g/cm3 and a flash point of 95.5±17.1 °C. It is classified under GHS with signal word Warning and hazard statements H226 — Flammable liquid and vapour. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
103-28-6
Jingsj CID
J-22266-2
Molecular Formula
C11H14O2
Molecular Weight
178.228 g/mol
Category
Organic Acids
Last updated
8/21/2026

No offers for this compound yet.

Request a quote

Physicochemical Properties

Boiling Point235.0±9.0 °C at 760 mmHg
Density1.0±0.1 g/cm3
Flash Point95.5±17.1 °C
Exact Mass178.099380
PSA26.30000
LogP2.81
Vapor Pressure0.1±0.5 mmHg at 25°C
Refractive Index1.497

GHS Safety & Compliance

FlammableSignal word: Warning
  • H226 — Flammable liquid and vapour

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 Benzyl isobutyrate?

The CAS number of Benzyl isobutyrate is 103-28-6.

What are the molecular formula and molecular weight of Benzyl isobutyrate?

Benzyl isobutyrate has molecular formula C11H14O2 and molecular weight 178.228 g/mol.

Is Benzyl isobutyrate hazardous?

Benzyl isobutyrate has GHS signal word Warning and hazard statements H226 — Flammable liquid and vapour.

Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "Benzyl isobutyrate (CAS 103-28-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-22266-2 (accessed 2026-11-09).

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