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Pentyl isocyanate

Also known as: 1-Isocyanatopentane, 1-Pentyl isocyanate, Amyl isocyanate, n-Pentyl isocyanate, Pentane, 1-isocyanato-

Pentyl isocyanate (CAS 3954-13-0) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C6H11NO and a molecular weight of 113.158 g/mol. Key properties include a boiling point of 126.4±3.0 °C at 760 mmHg, a density of 0.9±0.1 g/cm3 and a flash point of 33.8±9.4 °C. It is classified under GHS with signal word Danger 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.
3954-13-0
Jingsj CID
J-33969-5
Molecular Formula
C6H11NO
Molecular Weight
113.158 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point126.4±3.0 °C at 760 mmHg
Density0.9±0.1 g/cm3
Flash Point33.8±9.4 °C
Exact Mass113.084061
PSA29.43000
LogP2.95
Vapor Pressure14.1±0.2 mmHg at 25°C
Refractive Index1.435

GHS Safety & Compliance

Flammable / Corrosion / IrritantSignal word: Danger
  • H226 — Flammable liquid and vapour
  • H302 — Harmful if swallowed
  • H312 — Harmful in contact with skin
  • H315 — Causes skin irritation
  • H318 — Causes serious eye damage
  • H332 — Harmful if inhaled
  • H335 — May cause respiratory irritation

Customs & Trade Information

HS Code2929109000
Summary2929109000. other isocyanates. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:30.0%

Frequently Asked Questions

What is the CAS number of Pentyl isocyanate?

The CAS number of Pentyl isocyanate is 3954-13-0.

What are the molecular formula and molecular weight of Pentyl isocyanate?

Pentyl isocyanate has molecular formula C6H11NO and molecular weight 113.158 g/mol.

Is Pentyl isocyanate hazardous?

Pentyl isocyanate has GHS signal word Danger 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 Pentyl isocyanate?

For Pentyl isocyanate, Upstream Products: Hexanamide, Amylamine, Diphosgene.

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

Last updated:

How to cite: Jingsj. "Pentyl isocyanate (CAS 3954-13-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-33969-5 (accessed 2026-11-09).

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