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Acetylmalononitrile

Also known as: 2-Acetylmalononitrile, 2-acetylpropanedinitrile, ACETYLMALONONITRILE, Aceto-malondinitril, Acetyl-malodinitril, Acetyl-malononitril, Acetylmalonsaeure-dinitril, MFCD00129155, Propanedinitrile, 2-acetyl-, Propanedinitrile,acetyl, acetylmalonitrile, acetylmalonodinitrile

Acetylmalononitrile (CAS 1187-11-7) is a compound in the Nitrogen Compounds category listed in the Jingsj chemical database. It has the molecular formula C5H4N2O and a molecular weight of 108.09800 g/mol. Key properties include a melting point of 138-141ºC(lit.), a boiling point of 152.7ºC at 760 mmHg, a density of 1.133g/cm3 and a flash point of 46.2ºC. It is classified under GHS with signal word Warning and hazard statements H302 — Harmful if swallowed, H312 — Harmful in contact with skin and H315 — Causes skin irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
1187-11-7
Jingsj CID
J-1105458-4
Molecular Formula
C5H4N2O
Molecular Weight
108.09800 g/mol
Category
Nitrogen Compounds
Last updated
8/21/2026

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Physicochemical Properties

Melting Point138-141ºC(lit.)
Boiling Point152.7ºC at 760 mmHg
Density1.133g/cm3
Flash Point46.2ºC
Exact Mass108.03200
PSA64.65000
LogP0.23876
Vapor Pressure3.45mmHg at 25°C
Refractive Index1.438

GHS Safety & Compliance

IrritantSignal word: Warning
  • H302 — Harmful if swallowed
  • H312 — Harmful in contact with skin
  • H315 — Causes skin irritation
  • H319 — Causes serious eye irritation
  • H335 — May cause respiratory irritation

Customs & Trade Information

HS Code2926909090
SummaryHS:2926909090 other nitrile-function compounds VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:6.5% General tariff:30.0%

Frequently Asked Questions

What is the CAS number of Acetylmalononitrile?

The CAS number of Acetylmalononitrile is 1187-11-7.

What are the molecular formula and molecular weight of Acetylmalononitrile?

Acetylmalononitrile has molecular formula C5H4N2O and molecular weight 108.09800 g/mol.

Is Acetylmalononitrile hazardous?

Acetylmalononitrile has GHS signal word Warning and hazard statements H302 — Harmful if swallowed; H312 — Harmful in contact with skin; H315 — Causes skin irritation.

What are the upstream and downstream products of Acetylmalononitrile?

For Acetylmalononitrile, Upstream Products: Acetyl chloride.

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

Last updated:

How to cite: Jingsj. "Acetylmalononitrile (CAS 1187-11-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1105458-4 (accessed 2026-11-06).

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