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Isobutyryl chloride

Also known as: 2-Methylpropanoyl chloride, 2-Methylpropionyl chloride, Isobutyroyl chloride, IBCL, MFCD00000717, Propanoyl chloride, 2-methyl-

Isobutyryl chloride (CAS 79-30-1) is a compound in the Organohalogen Compounds category listed in the Jingsj chemical database. It has the molecular formula C4H7ClO and a molecular weight of 106.551 g/mol. Key properties include a melting point of -90 °C, a boiling point of 90.9±8.0 °C at 760 mmHg, a density of 1.0±0.1 g/cm3 and a flash point of 1.1±0.0 °C. It is classified under GHS with signal word Danger and hazard statements H225 — Highly flammable liquid and vapour and H314 — Causes severe skin burns and eye damage. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
79-30-1
Jingsj CID
J-1106846-6
Molecular Formula
C4H7ClO
Molecular Weight
106.551 g/mol
Category
Organohalogen Compounds
Last updated
8/21/2026

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Physicochemical Properties

Melting Point-90 °C
Boiling Point90.9±8.0 °C at 760 mmHg
Density1.0±0.1 g/cm3
Flash Point1.1±0.0 °C
Exact Mass106.018539
PSA17.07000
LogP1.34
Vapor Pressure55.2±0.2 mmHg at 25°C
Refractive Index1.406
Additional PropertyReacts

GHS Safety & Compliance

Flammable / CorrosionSignal word: Danger
  • H225 — Highly flammable liquid and vapour
  • H314 — Causes severe skin burns and eye damage

Customs & Trade Information

HS Code29159080

Frequently Asked Questions

What is the CAS number of Isobutyryl chloride?

The CAS number of Isobutyryl chloride is 79-30-1.

What are the molecular formula and molecular weight of Isobutyryl chloride?

Isobutyryl chloride has molecular formula C4H7ClO and molecular weight 106.551 g/mol.

Is Isobutyryl chloride hazardous?

Isobutyryl chloride has GHS signal word Danger and hazard statements H225 — Highly flammable liquid and vapour; H314 — Causes severe skin burns and eye damage.

What are the upstream and downstream products of Isobutyryl chloride?

For Isobutyryl chloride, Upstream Products: Isobutyric acid, 2-Methyl-2-oxazoline, Acetyl chloride; Downstream Products: tert-Butyl peroxyisobutyrate, 2-Methyl-3-pentanone, 3-Ethyl-2-methyl-3-pentanol.

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

Last updated:

How to cite: Jingsj. "Isobutyryl chloride (CAS 79-30-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1106846-6 (accessed 2026-11-06).

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