Skip to main content
Jingsj
.mol.sdf

3-methyl-2-butanol

Also known as: 3-methyl-2-butanol, isopropylmethylcarbinol, sec-isoamyl alcohol, 3-methylbutan-2-ol, DL-3-methyl-2-butanol, (±)-3-methyl-2-butanol, UNII:93FF0F303R

3-methyl-2-butanol (CAS 598-75-4) 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 boiling point of 113.6±8.0 °C at 760 mmHg, a density of 0.8±0.1 g/cm3 and a flash point of 26.7±0.0 °C. It is classified under GHS with signal word Warning and hazard statements H226 — Flammable liquid and vapour, H332 — Harmful if inhaled and H335 — May cause respiratory irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
598-75-4
Jingsj CID
J-28484-4
Molecular Formula
C5H12O
Molecular Weight
88.148 g/mol
Category
Alcohols
Last updated
8/21/2026
Request MSDS / TDS

No offers for this compound yet.

Request a quote

Physicochemical Properties

Boiling Point113.6±8.0 °C at 760 mmHg
Density0.8±0.1 g/cm3
Flash Point26.7±0.0 °C
Exact Mass88.088814
PSA20.23000
LogP1.04
Vapor Pressure10.6±0.4 mmHg at 25°C
Refractive Index1.403

GHS Safety & Compliance

Flammable / IrritantSignal word: Warning
  • H226 — Flammable liquid and vapour
  • H332 — Harmful if inhaled
  • H335 — May cause respiratory irritation

Frequently Asked Questions

What is the CAS number of 3-methyl-2-butanol?

The CAS number of 3-methyl-2-butanol is 598-75-4.

What are the molecular formula and molecular weight of 3-methyl-2-butanol?

3-methyl-2-butanol has molecular formula C5H12O and molecular weight 88.148 g/mol.

Is 3-methyl-2-butanol hazardous?

3-methyl-2-butanol has GHS signal word Warning and hazard statements H226 — Flammable liquid and vapour; H332 — Harmful if inhaled; H335 — May cause respiratory irritation.

What are the upstream and downstream products of 3-methyl-2-butanol?

For 3-methyl-2-butanol, Upstream Products: 2,2,3-Trimethyloxirane, 3-Methyl-2-butanone, Benzyl carbamate; Downstream Products: 2-Bromo-2-methylbutane, 2-Methylbut-2-ene, 2-Bromo-3-methylbutane.

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

Last updated:

How to cite: Jingsj. "3-methyl-2-butanol (CAS 598-75-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-28484-4 (accessed 2026-11-09).

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