Skip to main content

1-Iodo-1-propyne

Also known as: 1-IODO-1-PROPYNE, 1-Iodoprop-1-yne, 1-Propynyl iodide, 1-PROPYN-1-YL IODIDE, propyne, 1-iodo-, Propynyl iodide, Methyliodoacetylene, Iodomethylacetylene

1-Iodo-1-propyne (CAS 624-66-8) is a compound in the Aliphatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C3H3I and a molecular weight of 165.960 g/mol. Key properties include a boiling point of 110.0±9.0 °C at 760 mmHg, a density of 2.1±0.1 g/cm3 and a flash point of 39.1±14.2 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
624-66-8
Jingsj CID
J-39559-5
Molecular Formula
C3H3I
Molecular Weight
165.960 g/mol
Category
Aliphatic Hydrocarbons
Last updated
8/21/2026

No offers for this compound yet.

Request a quote

Physicochemical Properties

Boiling Point110.0±9.0 °C at 760 mmHg
Density2.1±0.1 g/cm3
Flash Point39.1±14.2 °C
Exact Mass165.927933
LogP3.03
Vapor Pressure28.4±0.2 mmHg at 25°C
Refractive Index1.586

Customs & Trade Information

HS Code2903399090
Summary2903399090. brominated,fluorinated or iodinated derivatives of acyclic hydrocarbons. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:5.5%. General tariff:30.0%

Frequently Asked Questions

What is the CAS number of 1-Iodo-1-propyne?

The CAS number of 1-Iodo-1-propyne is 624-66-8.

What are the molecular formula and molecular weight of 1-Iodo-1-propyne?

1-Iodo-1-propyne has molecular formula C3H3I and molecular weight 165.960 g/mol.

What are the upstream and downstream products of 1-Iodo-1-propyne?

For 1-Iodo-1-propyne, Upstream Products: 1-(Trimethylsilyl)-1-propyne, Propyne, 1-propynylmagnesium bromide; Downstream Products: Propyne.

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-Iodo-1-propyne (CAS 624-66-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-39559-5 (accessed 2026-11-09).

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