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158429

Sigma-Aldrich

Diiodomethane

ReagentPlus®, 99%, contains copper as stabilizer

Sinonimo/i:

Methylene iodide

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About This Item

Formula empirica (notazione di Hill):
CH2I2
Numero CAS:
75-11-6
Peso molecolare:
267.84
Beilstein:
1696892
Numero CE:
200-841-5
Numero MDL:
MFCD00001079
Codice UNSPSC:
12352100
ID PubChem:
24849735
NACRES:
NA.21

Densità del vapore

9.25 (vs air)

Livello qualitativo

200

Nome Commerciale

ReagentPlus®

Saggio

99%

Forma fisica

liquid

contiene

copper as stabilizer

P. eboll.

67-69 °C/11 mmHg (lit.)

Punto di fusione

5-8 °C (lit.)

Densità

3.325 g/mL at 25 °C (lit.)

Stringa SMILE

ICI

InChI

1S/CH2I2/c2-1-3/h1H2
NZZFYRREKKOMAT-UHFFFAOYSA-N

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Descrizione generale

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.

Applicazioni

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.

Note legali

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

Pittogrammi

Exclamation mark
GHS07

Avvertenze

Warning

Indicazioni di pericolo

H302,H412

Classi di pericolo

Acute Tox. 4 Oral - Aquatic Chronic 3

Codice della classe di stoccaggio

10 - Combustible liquids

Classe di pericolosità dell'acqua (WGK)

WGK 3

Punto d’infiammabilità (°F)

230.0 °F - closed cup

Punto d’infiammabilità (°C)

110 °C - closed cup

Dispositivi di protezione individuale

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

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Certificati d'analisi (COA)

Lot/Batch Number
0000142017
STBK3115
0000110585
STBJ7060
STBJ6454

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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
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
Solvent-and catalysts-free immobilization of tannic acid and polyvinylpyrrolidone onto PMMA surface by DBD plasma.
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Catecholamine polymers as surface modifiers for enhancing interfacial strength of fiber-reinforced composites.
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Composites Science and Technology, 110, 53-61 (2015)
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