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CAS No 75-11-6 , diiodomethane

  • Name: diiodomethane
  • Synonyms: Methylene diiodide; 75-11-6; Dijodmethan [Czech]; diiodo-;diiodomethane; EINECS 200-841-5; MI-Gee; Methane; Methylenjodid [Czech]; Methylene iodide;DIIODOMETHANE;
  • CAS Registry Number:
  • Transport: 2810
  • Melting Point: 6 ºC
  • Flash Point: 181°C
  • Boiling Point: 181 ºC
  • Density: 3.325
  • Refractive index: 1.737
  • Water Solubility: 14 G/L (20 ºC)
  • Safety Statements: R36/37/38
  • Hazard Symbols: Xi: Irritant;
  • HS Code: 29033080
  • Flash Point: 181°C
  • EINECS: 200-841-5
  • Molecular Weight: 267.83552
  • InchiKey: NZZFYRREKKOMAT-UHFFFAOYSA-N
  • InChI: InChI=1S/CH2I2/c2-1-3/h1H2
  • Risk Statements: S26;S37/39
  • Molecular Formula: CH2I2
  • Molecular Structure:CAS No:75-11-6 diiodomethane
References of diiodomethane
Title: Methylene Iodide
CAS Registry Number: 75-11-6
CAS Name: Diiodomethane
Molecular Formula: CH2I2
Molecular Weight: 267.84
Percent Composition: C 4.48%, H 0.75%, I 94.76%
Literature References: Prepd by the reduction of iodoform with sodium arsenite: Adams, Marvel, Org. Synth. vol. 1, p 57 (1921). Also by heating iodoform with sodium acetate in alcohol: Bagnara, Eng. Min. J. Press 116, 51 (1923). Absorption spectrum: Lowry, Sass, J. Chem. Soc. 1926, 624; Stepanov, Acta Physicochim. URSS 20, 174 (1945).
Properties: Very heavy, highly refractive liq. Darkens on exposure to light, air, and moisture. d420 3.32537. Solidifies in leaflets at 5.2° or in thin needles at 5.7°. Usually cooling to 0° is necessary to start crystn. mp 6.0°. bp760 181°; bp70 107°; bp11 68°. nD10.5 1.7559; nD15 1.7425. Viscosity (cP): 3.35 (10°); 2.80 (20°); 2.39 (30°). Sol in about 70 parts water; miscible with alcohol, propanol, isopropanol, hexane, cyclohexane, ether, chloroform, benzene. CH2I2 dissolves sulfur and phosphorus (more than 1:1 at 25°).
Melting point: mp 6.0°
Boiling point: bp760 181°; bp70 107°; bp11 68°
Index of refraction: nD10.5 1.7559; nD15 1.7425
Density: d420 3.32537
Use: In separating mixtures of minerals. In determining the specific gravity of minerals and other substances. In the manufacture of x-ray contrast media.