Ethyl isocyanatoacetate

异氰酰乙酸乙酯

Also known as: Ethyl 2-isocyanatoacetate, Carbethoxymethyl isocyanate, Ethoxycarbonylmethyl isocyanate, Isocyanatoacetic acid ethyl ester, NSC 56429, NSC 6276, Ethyl N-(oxomethylene)glycinate, Glycine, N-carbonyl-, ethyl ester, Acetic acid, 2-isocyanato-, ethyl ester

Ethyl isocyanatoacetate (CAS 2949-22-6) is a compound in the Solvents category listed in the Jingsj chemical database. It has the molecular formula C5H7NO3 and a molecular weight of 129.114 g/mol. It is also known as Ethyl 2-isocyanatoacetate, Carbethoxymethyl isocyanate and Ethoxycarbonylmethyl isocyanate. Key properties include a boiling point of 181.8±0.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 72.8±0.0 °C. It is classified under GHS with signal word Danger and hazard statements H302 — Harmful if swallowed, H315 — Causes skin irritation and H317 — May cause an allergic skin reaction. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
2949-22-6
Jingsj CID
J-1991383-4
Molecular Formula
C5H7NO3
Chinese Name
异氰酰乙酸乙酯
Molecular Weight
129.114 g/mol
Category
Solvents
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point181.8±0.0 °C at 760 mmHg
Density1.1±0.1 g/cm3
Flash Point72.8±0.0 °C
Exact Mass129.042587
PSA55.73000
LogP1.46
Vapor Pressure0.8±0.3 mmHg at 25°C
Refractive Index1.449

GHS Safety & Compliance

Irritant / Health HazardSignal word: Danger
  • H302 — Harmful if swallowed
  • H315 — Causes skin irritation
  • H317 — May cause an allergic skin reaction
  • H319 — Causes serious eye irritation
  • H334 — May cause allergy or asthma symptoms 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 Ethyl isocyanatoacetate?

The CAS number of Ethyl isocyanatoacetate is 2949-22-6.

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

Ethyl isocyanatoacetate has molecular formula C5H7NO3 and molecular weight 129.114 g/mol.

Is Ethyl isocyanatoacetate hazardous?

Ethyl isocyanatoacetate has GHS signal word Danger and hazard statements H302 — Harmful if swallowed; H315 — Causes skin irritation; H317 — May cause an allergic skin reaction.

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

Last updated:

How to cite: Jingsj. "Ethyl isocyanatoacetate (CAS 2949-22-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1991383-4 (accessed 2026-10-28).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.