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Trimethylsilyl isobutyrate

Also known as: trimethylsilyl 2-methylpropanoate, Propanoic acid, 2-methyl-, trimethylsilyl ester, Isobutyric acid, trimethylsilyl ester, Isobutyryloxy-trimethyl-silan, Trimethyl-isobutyryloxy-silan, isobutyric acid trimethylsilanyl ester, trimethylsilyl 2-methylpropionate

Trimethylsilyl isobutyrate (CAS 16883-61-7) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C7H16O2Si and a molecular weight of 160.286 g/mol. Key properties include a boiling point of 134.2±9.0 °C at 760 mmHg, a density of 0.9±0.1 g/cm3 and a flash point of 29.2±14.3 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
16883-61-7
Jingsj CID
J-23470-8
Molecular Formula
C7H16O2Si
Molecular Weight
160.286 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point134.2±9.0 °C at 760 mmHg
Density0.9±0.1 g/cm3
Flash Point29.2±14.3 °C
Exact Mass160.091949
PSA26.30000
LogP2.11
Vapor Pressure8.2±0.2 mmHg at 25°C
Refractive Index1.404

Customs & Trade Information

HS Code2931900090
Summary2931900090. other organo-inorganic compounds. VAT:17.0%. Tax rebate rate:13.0%. Supervision conditions:AB(certificate of inspection for goods inward,certificate of inspection for goods outward). MFN tariff:6.5%. General tariff:30.0%

Frequently Asked Questions

What is the CAS number of Trimethylsilyl isobutyrate?

The CAS number of Trimethylsilyl isobutyrate is 16883-61-7.

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

Trimethylsilyl isobutyrate has molecular formula C7H16O2Si and molecular weight 160.286 g/mol.

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

Last updated:

How to cite: Jingsj. "Trimethylsilyl isobutyrate (CAS 16883-61-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-23470-8 (accessed 2026-11-09).

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