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1-Isocyanatooctadecane

Also known as: Octadecyl isocyanate, Stearyl isocyanate, Isocyanic acid octadecyl ester, 1-Isocyanato-octadecane, Isocyanic acid stearyl ester

1-Isocyanatooctadecane (CAS 112-96-9) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C19H37NO and a molecular weight of 295.503 g/mol. Key properties include a melting point of 15-16 °C(lit.), a boiling point of 317.7±5.0 °C at 760 mmHg, a density of 0.9±0.1 g/cm3 and a flash point of 144.9±10.0 °C. It is classified under GHS with signal word Danger and hazard statements H302 — Harmful if swallowed, H312 — Harmful in contact with skin and H332 — Harmful if inhaled. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
112-96-9
Jingsj CID
J-1099659-5
Molecular Formula
C19H37NO
Molecular Weight
295.503 g/mol
Category
Organic Acids
Last updated
8/21/2026
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Physicochemical Properties

Melting Point15-16 °C(lit.)
Boiling Point317.7±5.0 °C at 760 mmHg
Density0.9±0.1 g/cm3
Flash Point144.9±10.0 °C
Exact Mass295.287506
PSA29.43000
LogP9.86
Vapor Pressure0.0±0.7 mmHg at 25°C
Refractive Index1.465

GHS Safety & Compliance

Irritant / Health HazardSignal word: Danger
  • H302 — Harmful if swallowed
  • H312 — Harmful in contact with skin
  • H332 — Harmful if inhaled
  • H315 — Causes skin irritation
  • H319 — Causes serious eye irritation
  • H334 — May cause allergy or asthma symptoms if inhaled
  • H335 — May cause respiratory irritation

Frequently Asked Questions

What is the CAS number of 1-Isocyanatooctadecane?

The CAS number of 1-Isocyanatooctadecane is 112-96-9.

What are the molecular formula and molecular weight of 1-Isocyanatooctadecane?

1-Isocyanatooctadecane has molecular formula C19H37NO and molecular weight 295.503 g/mol.

Is 1-Isocyanatooctadecane hazardous?

1-Isocyanatooctadecane has GHS signal word Danger and hazard statements H302 — Harmful if swallowed; H312 — Harmful in contact with skin; H332 — Harmful if inhaled.

What are the upstream and downstream products of 1-Isocyanatooctadecane?

For 1-Isocyanatooctadecane, Upstream Products: Bis(trichloromethyl) carbonate, Octadecylamine, Carbon disulphide; Downstream Products: N-Octadecyl-N'-[3-(triethoxysilyl)propyl]urea, n-Octadecane, N-Octadecylurea.

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

Last updated:

How to cite: Jingsj. "1-Isocyanatooctadecane (CAS 112-96-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1099659-5 (accessed 2026-11-09).

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