Skip to main content
Jingsj
.mol.sdf

2-Mercapto-3-butanol

Also known as: 3-Mercapto-2-butanol, 3-Mercaptobutan-2-ol, 3-Sulfanyl-2-butanol, 3-Sulfanylbutan-2-ol, 3-Thio-2-butanol, 2-Butanol, 3-mercapto-, FEMA 3502, MFCD00010271

2-Mercapto-3-butanol (CAS 37887-04-0) is a compound in the Alcohols category listed in the Jingsj chemical database. It has the molecular formula C4H10OS and a molecular weight of 106.187 g/mol. Key properties include a boiling point of 162.3±23.0 °C at 760 mmHg, a density of 1.0±0.1 g/cm3 and a flash point of 61.7±0.0 °C. It is classified under GHS with signal word Warning and hazard statements H226 — 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.
37887-04-0
Jingsj CID
J-42555-8
Molecular Formula
C4H10OS
Molecular Weight
106.187 g/mol
Category
Alcohols
Last updated
8/21/2026
Request MSDS / TDS

No offers for this compound yet.

Request a quote

Physicochemical Properties

Boiling Point162.3±23.0 °C at 760 mmHg
Density1.0±0.1 g/cm3
Flash Point61.7±0.0 °C
Exact Mass106.045235
PSA59.03000
LogP0.47
Vapor Pressure0.8±0.7 mmHg at 25°C
Refractive Index1.472

GHS Safety & Compliance

Flammable / IrritantSignal word: Warning
  • H226 — 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 2-Mercapto-3-butanol?

The CAS number of 2-Mercapto-3-butanol is 37887-04-0.

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

2-Mercapto-3-butanol has molecular formula C4H10OS and molecular weight 106.187 g/mol.

Is 2-Mercapto-3-butanol hazardous?

2-Mercapto-3-butanol has GHS signal word Warning and hazard statements H226 — Flammable liquid and vapour; H315 — Causes skin irritation; H319 — Causes serious eye irritation.

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

For 2-Mercapto-3-butanol, Upstream Products: bis(trimethylsilyl) sulfide.

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-Mercapto-3-butanol (CAS 37887-04-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-42555-8 (accessed 2026-11-09).

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