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3-Hexylthiophene

Also known as: 3-n-Hexylthiophene, Thiophene, 3-hexyl-

3-Hexylthiophene (CAS 1693-86-3) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C10H16S and a molecular weight of 168.299 g/mol. Key properties include a boiling point of 225.6±9.0 °C at 760 mmHg, a density of 0.9±0.1 g/cm3 and a flash point of 64.2±4.9 °C. It is classified under GHS with signal word Warning and hazard statements H226 — 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.
1693-86-3
Jingsj CID
J-33791-7
Molecular Formula
C10H16S
Molecular Weight
168.299 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point225.6±9.0 °C at 760 mmHg
Density0.9±0.1 g/cm3
Flash Point64.2±4.9 °C
Exact Mass168.097275
PSA28.24000
LogP5.01
Vapor Pressure0.1±0.4 mmHg at 25°C
Refractive Index1.505

GHS Safety & Compliance

Flammable / IrritantSignal word: Warning
  • H226 — 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
  • H335 — May cause respiratory irritation

Customs & Trade Information

HS Code2934999090
Summary2934999090. other heterocyclic compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

Frequently Asked Questions

What is the CAS number of 3-Hexylthiophene?

The CAS number of 3-Hexylthiophene is 1693-86-3.

What are the molecular formula and molecular weight of 3-Hexylthiophene?

3-Hexylthiophene has molecular formula C10H16S and molecular weight 168.299 g/mol.

Is 3-Hexylthiophene hazardous?

3-Hexylthiophene has GHS signal word Warning and hazard statements H226 — Flammable liquid and vapour; H302 — Harmful if swallowed; H312 — Harmful in contact with skin.

What are the upstream and downstream products of 3-Hexylthiophene?

For 3-Hexylthiophene, Upstream Products: 3-Bromothiophene, hexylmagnesium bromide, 1-Bromohexane; Downstream Products: 3-hexylthiophene-2-carbaldehyde, 2-(3-hexylthiophen-2-yl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane, 2-Bromo-3-hexylthiophene.

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-Hexylthiophene (CAS 1693-86-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-33791-7 (accessed 2026-11-09).

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