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3,3-Dimethylbutyryl chloride

Also known as: tert-Butylacetyl chloride, 3,3-Dimethylbutanoyl chloride, 3,3-Dimethylbutanoic acid chloride, 3,3-Dimethylbutyric acid chloride, 3,3-Dimethyl-n-butyryl chloride, TBAC, t-Butylacetyl chloride, Butanoyl chloride, 3,3-dimethyl-, Chloroacetoacetamides, MFCD00000737, EINECS 230-356-4

3,3-Dimethylbutyryl chloride (CAS 7065-46-5) is a compound in the Organohalogen Compounds category listed in the Jingsj chemical database. It has the molecular formula C6H11ClO and a molecular weight of 134.604 g/mol. Key properties include a boiling point of 131.8±8.0 °C at 760 mmHg, a density of 1.0±0.1 g/cm3 and a flash point of 30.2±10.9 °C. It is classified under GHS with signal word Danger and hazard statements H225 — Highly flammable liquid and vapour, H315 — Causes skin irritation and H318 — Causes serious eye damage. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
7065-46-5
Jingsj CID
J-1104217-6
Molecular Formula
C6H11ClO
Molecular Weight
134.604 g/mol
Category
Organohalogen Compounds
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point131.8±8.0 °C at 760 mmHg
Density1.0±0.1 g/cm3
Flash Point30.2±10.9 °C
Exact Mass134.049850
PSA17.07000
LogP2.22
Vapor Pressure9.1±0.2 mmHg at 25°C
Refractive Index1.423
Storage Conditions0-6°C

GHS Safety & Compliance

Flammable / CorrosionSignal word: Danger
  • H225 — Highly flammable liquid and vapour
  • H315 — Causes skin irritation
  • H318 — Causes serious eye damage

Frequently Asked Questions

What is the CAS number of 3,3-Dimethylbutyryl chloride?

The CAS number of 3,3-Dimethylbutyryl chloride is 7065-46-5.

What are the molecular formula and molecular weight of 3,3-Dimethylbutyryl chloride?

3,3-Dimethylbutyryl chloride has molecular formula C6H11ClO and molecular weight 134.604 g/mol.

Is 3,3-Dimethylbutyryl chloride hazardous?

3,3-Dimethylbutyryl chloride has GHS signal word Danger and hazard statements H225 — Highly flammable liquid and vapour; H315 — Causes skin irritation; H318 — Causes serious eye damage.

What are the upstream and downstream products of 3,3-Dimethylbutyryl chloride?

For 3,3-Dimethylbutyryl chloride, Upstream Products: tert-Butylacetic acid, 2,4,4-Trimethylpent-1-ene, 4,4-DIMETHYL-2-PENTANONE; Downstream Products: Methyl 4,4-dimethyl-3-oxopentanoate, 1,1,2,2-Ethanetetracarboxylic acid, tetramethyl ester, ethyl 3,3-dimethylbutanoate.

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

Last updated:

How to cite: Jingsj. "3,3-Dimethylbutyryl chloride (CAS 7065-46-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1104217-6 (accessed 2026-11-06).

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