Propargyl chloroformate

Also known as: 2-Propynyl chloroformate, Prop-2-ynyl carbonochloridate, prop-2-yn-1-yl carbonochloridate, Propargyloxycarbonyl chloride, Carbonochloridic acid, 2-propyn-1-yl ester, Propynyl chloroformate, MFCD00270127, propargylchloroformate

Propargyl chloroformate (CAS 35718-08-2) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C4H3ClO2 and a molecular weight of 118.518 g/mol. Key properties include a boiling point of 118-122 ºC, a density of 1.271±0.06 g/cm and a flash point of 32.3±16.0 ºC. It is classified under GHS with signal word Danger and hazard statements H226 — Flammable liquid and vapour, H302 — Harmful if swallowed and H311 — Toxic in contact with skin. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 35718-08-2
Jingsj CID: J-196-7
Molecular Formula: C₄H₃ClO₂
Molecular Weight: 118.518 g/mol
Category: Organic Acids
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	118-122 ºC
Density	1.271±0.06 g/cm
Flash Point	32.3±16.0 ºC
Exact Mass	117.982155
PSA	26.30000
LogP	1.29
Vapor Pressure	23.6±0.2 mmHg at 25°C
Refractive Index	1.450
Additional Property	Sparingly soluble (26 g/L) (25 ºC)

GHS Safety & Compliance

Flammable / Corrosion / Acute ToxicitySignal word: Danger

H226 — Flammable liquid and vapour
H302 — Harmful if swallowed
H311 — Toxic in contact with skin
H314 — Causes severe skin burns and eye damage
H331 — Toxic if inhaled

Customs & Trade Information

HS Code	2915900090
Summary	2915900090 other saturated acyclic monocarboxylic acids and their anhydrides, halides, peroxides and peroxyacids; their halogenated, sulphonated, nitrated or nitrosated derivatives VAT:17.0% Tax rebate rate:9.0% Supervision conditions:AB(certificate of inspection for goods inward,certificate of inspection for goods outward) MFN tariff:5.5% General tariff:30.0%

Frequently Asked Questions

What is the CAS number of Propargyl chloroformate?

The CAS number of Propargyl chloroformate is 35718-08-2.

What are the molecular formula and molecular weight of Propargyl chloroformate?

Propargyl chloroformate has molecular formula C4H3ClO2 and molecular weight 118.518 g/mol.

Is Propargyl chloroformate hazardous?

Propargyl chloroformate has GHS signal word Danger and hazard statements H226 — Flammable liquid and vapour; H302 — Harmful if swallowed; H311 — Toxic in contact with skin.

What are the upstream and downstream products of Propargyl chloroformate?

For Propargyl chloroformate, Upstream Products: Diethylamine, Bis(trichloromethyl) carbonate, Diphosgene; Downstream Products: Prop-2-yn-1-yl p-tolylcarbamate, Prop-2-yn-1-yl butylcarbamate, prop-2-yn-1-yl benzylcarbamate.

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

Last updated: 8/21/2026

How to cite: Jingsj. "Propargyl chloroformate (CAS 35718-08-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-196-7 (accessed 2026-11-09).

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