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Other Names:

Methylene iodide

General Information:



CAS Number: 75-11-6

Molecular Weight: 267.84 g/mol

Appearance: Colorless liquid

Chemical Formula: CH2I2

Melting Point: 5-8 C

Boiling Point: 67-69 C

Density: 3.325 g/mL

Common Uses:

Reagent in Simmons-Smith cyclopropanation reactions

Procedure excerpt:

To the mixture was then added dropwise a solution of diiodomethane (3.7 mL, 46 mmol) in DCM (50 mL) at 0 C over 45 min. The mixture was stirred . . .

[full procedure]


1) Patent Reference: WO2015129926, page 109, (21.5 MB)

2) Coates, R. M.; Denmark, S. E.; Handbook of Reagents for Organic Synthesis, Reagents, Auxiliaries, and Catalysts for C-C Bond Formation

3) Wikipedia: Diiodomethane (link)

4) Diiodomethane (link)