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Tetrahydrothiophene

Also known as: THT, Thiophane, Thiolane, Tetramethylene sulfide, Thiacyclopentane, Tetrahydrothiophene (THT)

Tetrahydrothiophene (CAS 110-01-0) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C4H8S and a molecular weight of 88.171 g/mol. Key properties include a melting point of -96 °C, a boiling point of 121.5±8.0 °C at 760 mmHg, a density of 1.0±0.1 g/cm3 and a flash point of 12.8±0.0 °C. It is classified under GHS with signal word Danger and hazard statements H225 — Highly flammable liquid and vapour, H302 — Harmful if swallowed and H312 — Harmful in contact with skin. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
110-01-0
Jingsj CID
J-43095-1
Molecular Formula
C4H8S
Molecular Weight
88.171 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Melting Point-96 °C
Boiling Point121.5±8.0 °C at 760 mmHg
Density1.0±0.1 g/cm3
Flash Point12.8±0.0 °C
Exact Mass88.034668
PSA25.30000
LogP1.34
Vapor Pressure17.5±0.2 mmHg at 25°C
Refractive Index1.515
Additional Propertyimmiscible

GHS Safety & Compliance

Flammable / IrritantSignal word: Danger
  • H225 — Highly flammable liquid and vapour
  • H302 — Harmful if swallowed
  • H312 — Harmful in contact with skin
  • H315 — Causes skin irritation
  • H319 — Causes serious eye irritation
  • H332 — Harmful if inhaled
  • H412 — Harmful to aquatic life with long lasting effects

Customs & Trade Information

HS Code2942000000

Frequently Asked Questions

What is the CAS number of Tetrahydrothiophene?

The CAS number of Tetrahydrothiophene is 110-01-0.

What are the molecular formula and molecular weight of Tetrahydrothiophene?

Tetrahydrothiophene has molecular formula C4H8S and molecular weight 88.171 g/mol.

Is Tetrahydrothiophene hazardous?

Tetrahydrothiophene has GHS signal word Danger and hazard statements H225 — Highly flammable liquid and vapour; H302 — Harmful if swallowed; H312 — Harmful in contact with skin.

What are the upstream and downstream products of Tetrahydrothiophene?

For Tetrahydrothiophene, Upstream Products: Tetrahydrothiophene 1-oxide, 1,4-Dibromobutane, Tetrahydrofuran; Downstream Products: 3,3'-Bithiophene, 2-butene, Isobutane Residual Solvent Standard.

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

Last updated:

How to cite: Jingsj. "Tetrahydrothiophene (CAS 110-01-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-43095-1 (accessed 2026-11-07).

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