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158429

Sigma-Aldrich

Diiodomethane

ReagentPlus®, 99%, contains copper as stabilizer

Synonyme(s) :

Methylene iodide

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About This Item

Formule empirique (notation de Hill):
CH2I2
Numéro CAS:
75-11-6
Poids moléculaire :
267.84
Numéro Beilstein :
1696892
Numéro CE :
200-841-5
Numéro MDL:
MFCD00001079
Code UNSPSC :
12352100
ID de substance PubChem :
24849735
Nomenclature NACRES :
NA.21

Densité de vapeur

9.25 (vs air)

Niveau de qualité

200

Gamme de produits

ReagentPlus®

Pureté

99%

Forme

liquid

Contient

copper as stabilizer

Point d'ébullition

67-69 °C/11 mmHg (lit.)

Pf

5-8 °C (lit.)

Densité

3.325 g/mL at 25 °C (lit.)

Chaîne SMILES 

ICI

InChI

1S/CH2I2/c2-1-3/h1H2

Clé InChI

NZZFYRREKKOMAT-UHFFFAOYSA-N

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Description générale

Diiodomethane is a solvent used as a halogen bond donor toward metal-bound halides.

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.

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.

Informations légales

ReagentPlus is a registered trademark of Merck KGaA, Darmstadt, Germany

Pictogrammes

Exclamation mark
GHS07

Mention d'avertissement

Warning

Mentions de danger

H302,H412

Classification des risques

Acute Tox. 4 Oral - Aquatic Chronic 3

Code de la classe de stockage

10 - Combustible liquids

Classe de danger pour l'eau (WGK)

WGK 3

Point d'éclair (°F)

230.0 °F - closed cup

Point d'éclair (°C)

110 °C - closed cup

Équipement de protection individuelle

Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter

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Certificats d'analyse (COA)

Lot/Batch Number
STBK3115
STBL3939
STBL3628
0000142017
0000110585

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Anuvab Mandal et al.
The Journal of chemical physics, 140(19), 194312-194312 (2014-05-24)
The electronic absorption spectrum of diiodomethane in the 30,000-95,000 cm(-1) region is investigated using synchrotron radiation; the spectrum in the 50,000-66,500 cm(-1) region is reported for the first time. The absorption bands in the 30,000-50,000 cm(-1) region are attributed to
Nowsheen Goonoo et al.
Materials science & engineering. C, Materials for biological applications, 76, 13-24 (2017-05-10)
In this paper, the biomineralization potential and cellular response of novel blend films of the anionic sulfated polysaccharides kappa-carrageenan (KCG) and fucoidan (FUC) derived from seaweeds with semi-crystalline polyhydroxybutyrate (PHB) and polyhydroxybutyrate-co-valerate (PHBV), respectively, were analyzed. The incorporation of KCG
Solvent-and catalysts-free immobilization of tannic acid and polyvinylpyrrolidone onto PMMA surface by DBD plasma.
Klebert S, et al.
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Michael Odelius et al.
The Journal of chemical physics, 121(5), 2208-2214 (2004-07-21)
Photodissociation of diiodomethane (CH2I2) in acetonitrile solution has been studied with ab initio molecular dynamics simulations, which show how the iso-diiodomethane photoproduct (CH2I-I) can be formed. The first excited state, described by the "restricted open-shell Kohn-Sham" density functional method, is
Mohd I Ishak et al.
Journal of colloid and interface science, 583, 414-424 (2020-10-05)
Frictional and nanomechanical properties of nanostructured polymer surfaces are important to their technological and biomedical applications. In this work, poly(ethylene terephthalate) (PET) surfaces with a periodic distribution of well-defined nanopillars were fabricated through an anodization/embossing process. The apparent surface energy
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