1-Bromo-2,2-dimethylpropane

Also known as: Neopentyl bromide, 2,2-Dimethyl-1-bromopropane, 2,2-Dimethylpropyl bromide, 1-bromo-2,2-dimethyl-propane, Neopentylbromide

1-Bromo-2,2-dimethylpropane (CAS 630-17-1) is a compound in the Aliphatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C5H11Br and a molecular weight of 151.045 g/mol. Key properties include a boiling point of 107.9±8.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 6.7±0.0 °C. It is classified under GHS with signal word Danger and hazard statements H225 — Highly flammable liquid and vapour, H315 — Causes skin irritation and H319 — Causes serious eye irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 630-17-1
Jingsj CID: J-1492891-7
Molecular Formula: C₅H₁₁Br
Molecular Weight: 151.045 g/mol
Category: Aliphatic Hydrocarbons
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	107.9±8.0 °C at 760 mmHg
Density	1.2±0.1 g/cm3
Flash Point	6.7±0.0 °C
Exact Mass	150.004410
LogP	2.91
Vapor Pressure	31.0±0.2 mmHg at 25°C
Refractive Index	1.442

GHS Safety & Compliance

Flammable / IrritantSignal word: Danger

H225 — Highly flammable liquid and vapour
H315 — Causes skin irritation
H319 — Causes serious eye irritation
H335 — May cause respiratory irritation

Frequently Asked Questions

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

The CAS number of 1-Bromo-2,2-dimethylpropane is 630-17-1.

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

1-Bromo-2,2-dimethylpropane has molecular formula C5H11Br and molecular weight 151.045 g/mol.

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

1-Bromo-2,2-dimethylpropane has GHS signal word Danger and hazard statements H225 — Highly flammable liquid and vapour; H315 — Causes skin irritation; H319 — Causes serious eye irritation.

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

For 1-Bromo-2,2-dimethylpropane, Upstream Products: Neopentyl alcohol, 2,2-dimethylpropane, Neopentylamine; Downstream Products: 3,5,5-Trimethyl-1-hexene, Trimethylacetaldehyde, 2-Methylbut-2-ene.

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. "1-Bromo-2,2-dimethylpropane (CAS 630-17-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1492891-7 (accessed 2026-11-09).

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