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158429 Sigma-Aldrich

Diiodomethane

ReagentPlus®, 99%, contains copper as stabilizer

Synonym: Methylene iodide

  • CAS Number 75-11-6

  • Empirical Formula (Hill Notation) CH2I2

  • Molecular Weight 267.84

  •  Beilstein Registry Number 1696892

  •  EC Number 200-841-5

  •  MDL number MFCD00001079

  •  PubChem Substance ID 24849735

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Properties

grade   ReagentPlus®
vapor density   9.25 (vs air)
InChI Key   NZZFYRREKKOMAT-UHFFFAOYSA-N
assay   99%
contains   copper as stabilizer
bp   67-69 °C/11 mmHg(lit.)
mp   5-8 °C (lit.)
density   3.325 g/mL at 25 °C(lit.)

Description

Packaging

25, 100, 500 g in glass bottle

Application

Diiodomethane has been used as a probe liquid for evaluation of the polar and dispersive components of the surface energy of the catecholamine coated fiber surfaces. It may be used for the preparation of cyclopropyl ketones, esters and amides.

Diiodomethane may be used as a probe solvent in contact angle measurement to analyze the hydrophilicity of polymer surfaces.

General description

Diiodomethane (CH2I2) is an iodine containing organic compound. Its decomposition in acetonitrile initiated by 310nm light has been investigated. Femtosecond pump-probe spectroscopic and ab initio molecular dynamics simulations studies of the photodecomposition of CH2I2 suggest the formation of the isomer of diiodomethane (CH2I-I) as hot photoproduct. In the atmosphere, it undergoes photolysis in the presence of ozone to afford iodine oxide (IO) which results in the formation of aerosols. Its vacuum ultraviolet (VUV) photoabsorption spectrum has been reported.

Legal Information

ReagentPlus is a registered trademark of Sigma-Aldrich Co. LLC

Safety & Documentation

Safety Information

Symbol 
GHS06  GHS06
Signal word 
Danger
Hazard statements 
RIDADR 
UN 2810 6.1 / PGIII
WGK Germany 
1
RTECS 
PA8575000
Flash Point(F) 
230 °F
Flash Point(C) 
110 °C

Documents

Certificate of Analysis

Certificate of Origin


Bulk Chemicals

LC-MS Grade Solvents and Reagents
Protocols & Articles
Peer-Reviewed Papers
15

References

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