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Ethyl isocyanoacetate

Also known as: Ethyl 2-isocyanoacetate, Isocyanoacetic Acid Ethyl Ester, Ethoxycarbonylmethyl isocyanide, 2-Oxo-2-ethoxyethyl isocyanide, CN-CH2-CO2Et, NC-CH2-COOEt, Acetic acid, 2-isocyano-, ethyl ester

Ethyl isocyanoacetate (CAS 2999-46-4) is a compound in the Solvents category listed in the Jingsj chemical database. It has the molecular formula C5H7NO2 and a molecular weight of 113.115 g/mol. Key properties include a melting point of 194-196ºC, a boiling point of 194-196 °C(lit.), a density of 1.035 g/mL at 25 °C(lit.) and a flash point of 84.4 °C. It is classified under GHS with signal word Warning and hazard statements H302 — Harmful if swallowed and H332 — Harmful if inhaled. No supplier offers are currently listed; request a quote. Record last updated Nov 2, 2026.

CAS No.
2999-46-4
Jingsj CID
J-44729-0
Molecular Formula
C5H7NO2
Molecular Weight
113.115 g/mol
Category
Solvents
Last updated
11/2/2026
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Physicochemical Properties

Melting Point194-196ºC
Boiling Point194-196 °C(lit.)
Density1.035 g/mL at 25 °C(lit.)
Flash Point84.4 °C
Exact Mass113.047676
PSA26.30000
Refractive Indexn20/D 1.418(lit.)

GHS Safety & Compliance

IrritantSignal word: Warning
  • H302 — Harmful if swallowed
  • H332 — Harmful if inhaled

Frequently Asked Questions

What is the CAS number of Ethyl isocyanoacetate?

The CAS number of Ethyl isocyanoacetate is 2999-46-4.

What are the molecular formula and molecular weight of Ethyl isocyanoacetate?

Ethyl isocyanoacetate has molecular formula C5H7NO2 and molecular weight 113.115 g/mol.

Is Ethyl isocyanoacetate hazardous?

Ethyl isocyanoacetate has GHS signal word Warning and hazard statements H302 — Harmful if swallowed; H332 — Harmful if inhaled.

What are the upstream and downstream products of Ethyl isocyanoacetate?

For Ethyl isocyanoacetate, Upstream Products: N-Formylglycine ethyl ester, N-Formylglycine, Glycine; Downstream Products: Ethyl 5-phenyl-1,3-oxazole-4-carboxylate, Ethyl 5-methyl-1,3-oxazole-4-carboxylate, Ethyl 5-(3-nitrophenyl)oxazole-4-carboxylate.

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

Last updated:

How to cite: Jingsj. "Ethyl isocyanoacetate (CAS 2999-46-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-44729-0 (accessed 2026-11-09).

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