Neopentyl alcohol

Also known as: 2,2-Dimethyl-1-propanol, 2,2-Dimethylpropan-1-ol, Neoamyl alcohol, Neopentanol, tert-Butylcarbinol, tert-Butyl methanol, 2,2-Dimethylpropyl alcohol

Neopentyl alcohol (CAS 75-84-3) is a compound in the Alcohols category listed in the Jingsj chemical database. It has the molecular formula C5H12O and a molecular weight of 88.148 g/mol. Key properties include a melting point of 52-56 °C(lit.), a boiling point of 113.1±0.0 °C at 760 mmHg, a density of 0.8±0.1 g/cm3 and a flash point of 36.7±0.0 °C. It is classified under GHS with signal word Danger and hazard statements H228, H319 — Causes serious eye irritation and H335 — May cause respiratory irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 75-84-3
Jingsj CID: J-48760-5
Molecular Formula: C₅H₁₂O
Molecular Weight: 88.148 g/mol
Category: Alcohols
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	52-56 °C(lit.)
Boiling Point	113.1±0.0 °C at 760 mmHg
Density	0.8±0.1 g/cm3
Flash Point	36.7±0.0 °C
Exact Mass	88.088814
PSA	20.23000
LogP	1.04
Vapor Pressure	10.8±0.4 mmHg at 25°C
Refractive Index	1.407
Additional Property	3.5 G/100 ML AT 25 ºC

GHS Safety & Compliance

Flammable / IrritantSignal word: Danger

H228
H319 — Causes serious eye irritation
H335 — May cause respiratory irritation

Frequently Asked Questions

What is the CAS number of Neopentyl alcohol?

The CAS number of Neopentyl alcohol is 75-84-3.

What are the molecular formula and molecular weight of Neopentyl alcohol?

Neopentyl alcohol has molecular formula C5H12O and molecular weight 88.148 g/mol.

Is Neopentyl alcohol hazardous?

Neopentyl alcohol has GHS signal word Danger and hazard statements H228; H319 — Causes serious eye irritation; H335 — May cause respiratory irritation.

What are the upstream and downstream products of Neopentyl alcohol?

For Neopentyl alcohol, Upstream Products: Pivaloyl chloride, Retinol, Trimethylacetaldehyde; Downstream Products: N,N-Dimethylformamide dineopentyl acetal, 2-Bromo-2-methylbutane, 2,2-dimethylbutanoic acid.

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. "Neopentyl alcohol (CAS 75-84-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-48760-5 (accessed 2026-11-06).

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