Diiodoacetylene

Base Information

• Chemical Name: Diiodoacetylene
• CAS No.: 624-74-8
• Molecular Formula: C2I2
• Molecular Weight: 277.831
• Hs Code.: 2903399090
• DSSTox Substance ID: DTXSID20211459
• Nikkaji Number: J83.938H
• Wikipedia: Diiodoacetylene
• Wikidata: Q83086384
• Mol file: 624-74-8.mol

Synonyms:DIIODOACETYLENE;Ethyne, diiodo-;Acetylene, diiodo-;624-74-8;Diiodoacetylene [Forbidden];1,2-diiodoethyne;diiodoethyne;IC.equiv.CI;DTXSID20211459;STL417964;AKOS004120741

Chemical Property of Diiodoacetylene

Chemical Property:

• Vapor Pressure: 0.75mmHg at 25°C
• Melting Point: 81.5°C
• Refractive Index: 1.8000 (estimate)
• Boiling Point: 190.4°Cat760mmHg
• Flash Point: 94.1°C
• PSA: 0.00000
• Density: 3.367g/cm³
• LogP: 1.77480
• XLogP3: 2
• Hydrogen Bond Donor Count: 0
• Hydrogen Bond Acceptor Count: 0
• Rotatable Bond Count: 0
• Exact Mass: 277.80895
• Heavy Atom Count: 4
• Complexity: 46.9

Purity/Quality:

99% ^*data from raw suppliers

DIIODOACETYLENE 95.00% ^*data from reagent suppliers

Safty Information:

• Pictogram(s): Highly volatile. Toxic by inhalation; vapors irritating to eyes and mucous membranes.
• Hazard Codes: Highly volatile. Toxic by inhalation; vapors irritating to eyes and mucous membranes.

MSDS Files:

SDS file from LookChem

Useful:

• Canonical SMILES: C(#CI)I

Technology Process of Diiodoacetylene

There total 58 articles about Diiodoacetylene which guide to synthetic route it. The literature collected by LookChem mainly comes from the sharing of users and the free literature resources found by Internet computing technology. We keep the original model of the professional version of literature to make it easier and faster for users to retrieve and use. At the same time, we analyze and calculate the most feasible synthesis route with the highest yield for your reference as below:

synthetic route:

Reference yield: 67.0%

acetylene (74-86-2,25067-58-7) → diiodoacetylene (624-74-8)

Guidance literature:

With bis(2,4,6-trimethylpyridine)iodine(I) hexafluorophosphate; In dichloromethane; for 0.75h; Inert atmosphere; Schlenk technique; Glovebox;

DOI:10.1039/c5cc10397e

Reference yield: 52.0%

Acetylenedicarboxylic acid (142-45-0) → diiodoacetylene (624-74-8)

Guidance literature:

With bis(2,4,6-trimethylpyridine)iodine(I) hexafluorophosphate; In dichloromethane; for 0.5h; Ambient temperature;

DOI:10.1016/S0040-4039(99)00021-0

Reference yield: 50.0%

Propiolic acid (471-25-0) → diiodoacetylene (624-74-8)

Guidance literature:

With bis(2,4,6-trimethylpyridine)iodine(I) hexafluorophosphate; In dichloromethane; for 0.5h; Ambient temperature;

DOI:10.1016/S0040-4039(99)00021-0

upstream raw materials:

tetrachloromethane

1,1-diiodo-ethene

ethynyldimagnesium dibromide

(E)-1,2-diiodoethene

Downstream raw materials:

1-iodo-2-phenylethyne

3-Iodo-1H-indole

tetraiodoethene

ortho-methylphenyl iodide