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2,2-Dimethylbutane

Also known as: (CH3)3CCH2CH3, 2,2-DIMETHYLBUTANE, STANDARD FOR GC, 2,2-dimethyl-butan, 2,2-dimethyl-butane, 2,2-dinethyl butane, Butane, 2,2-dimethyl-, Butane,2,2-dimethyl, EINECS 200-906-8, MFCD00009321, NEOBUTANE, NEOHEXANE, Neohexane, Trimethylpropane, butane,2,2-dimethyl-, ethyl trimethyl methane, mono-tert-butylethane, trimethylpropane, trimethylylpropane

2,2-Dimethylbutane (CAS 75-83-2) is a compound in the Aliphatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C6H14 and a molecular weight of 86.175 g/mol. Key properties include a melting point of −100 °C(lit.), a boiling point of 48.4±7.0 °C at 760 mmHg, a density of 0.7±0.1 g/cm3 and a flash point of -35.5±11.7 °C. It is classified under GHS with signal word Danger and hazard statements H225 — Highly flammable liquid and vapour, H304 and H315 — Causes skin irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
75-83-2
Jingsj CID
J-12108-2
Molecular Formula
C6H14
Molecular Weight
86.175 g/mol
Category
Aliphatic Hydrocarbons
Last updated
8/21/2026

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Physicochemical Properties

Melting Point−100 °C(lit.)
Boiling Point48.4±7.0 °C at 760 mmHg
Density0.7±0.1 g/cm3
Flash Point-35.5±11.7 °C
Exact Mass86.109550
LogP3.58
Additional Property2.97 (vs air)
Vapor Pressure324.3±0.0 mmHg at 25°C
Refractive Index1.384
Additional Propertyinsoluble

GHS Safety & Compliance

Flammable / Irritant / Health Hazard / Environmental HazardSignal word: Danger
  • H225 — Highly flammable liquid and vapour
  • H304
  • H315 — Causes skin irritation
  • H336 — May cause drowsiness or dizziness
  • H411 — Toxic to aquatic life with long lasting effects

Frequently Asked Questions

What is the CAS number of 2,2-Dimethylbutane?

The CAS number of 2,2-Dimethylbutane is 75-83-2.

What are the molecular formula and molecular weight of 2,2-Dimethylbutane?

2,2-Dimethylbutane has molecular formula C6H14 and molecular weight 86.175 g/mol.

Is 2,2-Dimethylbutane hazardous?

2,2-Dimethylbutane has GHS signal word Danger and hazard statements H225 — Highly flammable liquid and vapour; H304; H315 — Causes skin irritation.

What are the upstream and downstream products of 2,2-Dimethylbutane?

For 2,2-Dimethylbutane, Upstream Products: Pinacolone, 3,3-Dimethyl-1-butene, N-hexane; Downstream Products: 1,1,1,2,3,3,3-heptafluoro-2-(trifluoromethyl)propane, perfluoro-2-methylpentane, Nonafluoro(trifluoromethyl)cyclopentane.

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

Last updated:

How to cite: Jingsj. "2,2-Dimethylbutane (CAS 75-83-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-12108-2 (accessed 2026-11-06).

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