2,2-dimethylpropane

Also known as: 1,1,1-Trimethylethane, 2,2-DIMETHYL-4-(5-METHOXY-2-METHYLPHENYL)-4-OXOBUTYRIC ACID, 2,2-DIMETHYLPROPANE, 2,2-dimethyl-propane, EINECS 207-343-7, MFCD00039840, Propane,2,2-dimethyl, Tetramethylmethane, UN2044, neopentane, neopentylidene, tert-Pentane

2,2-dimethylpropane (CAS 463-82-1) is a compound in the Aliphatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C5H12 and a molecular weight of 72.14880 g/mol. Key properties include a melting point of -19.5ºC, a boiling point of 7.2ºC at 760 mmHg and a density of 0.649 g/cm3. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 463-82-1
Jingsj CID: J-16976-9
Molecular Formula: C₅H₁₂
Molecular Weight: 72.14880 g/mol
Category: Aliphatic Hydrocarbons
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	-19.5ºC
Boiling Point	7.2ºC at 760 mmHg
Density	0.649 g/cm3
Exact Mass	72.09390
LogP	2.05240
Vapor Pressure	1420mmHg at 25°C
Refractive Index	1.37

Customs & Trade Information

HS Code	2901100000
Summary	2901100000 saturated acyclic hydrocarbons。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:2.0%。General tariff:30.0%

Frequently Asked Questions

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

The CAS number of 2,2-dimethylpropane is 463-82-1.

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

2,2-dimethylpropane has molecular formula C5H12 and molecular weight 72.14880 g/mol.

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

For 2,2-dimethylpropane, Upstream Products: 2,2-Dimethylbutane, 3,3-Dimethyl-1-butanol, tert-Butyl methyl ether; Downstream Products: 2,2,6-trimethyloctane, 2,4-dimethylpentane, isoheptane.

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

Last updated: 8/21/2026

How to cite: Jingsj. "2,2-dimethylpropane (CAS 463-82-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-16976-9 (accessed 2026-11-07).

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