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1-Chloro-2,2-dimethylpropane

Also known as: Neopentyl chloride, 2,2-Dimethylpropyl chloride, Propane, 1-chloro-2,2-dimethyl-, t-C4H9CH2Cl

1-Chloro-2,2-dimethylpropane (CAS 753-89-9) is a compound in the Aliphatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C5H11Cl and a molecular weight of 106.594 g/mol. Key properties include a melting point of −20 °C(lit.), a boiling point of 86.9±8.0 °C at 760 mmHg, a density of 0.9±0.1 g/cm3 and a flash point of -8.9±0.0 °C. It is classified under GHS with signal word Danger and hazard statements H225 — Highly flammable liquid and vapour, H302 — Harmful if swallowed and H317 — May cause an allergic skin reaction. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
753-89-9
Jingsj CID
J-922126-5
Molecular Formula
C5H11Cl
Molecular Weight
106.594 g/mol
Category
Aliphatic Hydrocarbons
Last updated
8/21/2026

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Physicochemical Properties

Melting Point−20 °C(lit.)
Boiling Point86.9±8.0 °C at 760 mmHg
Density0.9±0.1 g/cm3
Flash Point-8.9±0.0 °C
Exact Mass106.054932
LogP2.73
Vapor Pressure73.3±0.2 mmHg at 25°C
Refractive Index1.405

GHS Safety & Compliance

Flammable / Irritant / Health HazardSignal word: Danger
  • H225 — Highly flammable liquid and vapour
  • H302 — Harmful if swallowed
  • H317 — May cause an allergic skin reaction
  • H334 — May cause allergy or asthma symptoms if inhaled

Frequently Asked Questions

What is the CAS number of 1-Chloro-2,2-dimethylpropane?

The CAS number of 1-Chloro-2,2-dimethylpropane is 753-89-9.

What are the molecular formula and molecular weight of 1-Chloro-2,2-dimethylpropane?

1-Chloro-2,2-dimethylpropane has molecular formula C5H11Cl and molecular weight 106.594 g/mol.

Is 1-Chloro-2,2-dimethylpropane hazardous?

1-Chloro-2,2-dimethylpropane has GHS signal word Danger and hazard statements H225 — Highly flammable liquid and vapour; H302 — Harmful if swallowed; H317 — May cause an allergic skin reaction.

What are the upstream and downstream products of 1-Chloro-2,2-dimethylpropane?

For 1-Chloro-2,2-dimethylpropane, Upstream Products: Neopentyl alcohol, 2,2-dimethylpropane, Neopentylamine; Downstream Products: (1,2-Dimethylpropyl)benzene, Neopentyl alcohol, isopentane.

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

Last updated:

How to cite: Jingsj. "1-Chloro-2,2-dimethylpropane (CAS 753-89-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-922126-5 (accessed 2026-11-09).

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