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CAS No 13463-40-6 , carbon monoxide

  • Name: carbon monoxide
  • Synonyms: Iron carbonyl compounds; AC1L1AA0; Iron;carbon monoxide; Iron carbonyl; 13463-40-6; pentacarbonyliron(0);Iron(0) carbonyl; AC1LAR58; pentacarbonyl-;iron; Iron(0) pentacarbonyl;
  • CAS Registry Number:
  • Transport: UN 1994 6
  • Density: 1.457
  • Refractive index: n20/D 1.5196(lit.)
  • Water Solubility: Solubility in organic solvents
  • Safety Statements: A poison by inhalation, skin contact, ingestion, subcutaneous, and intravenous routes. Inhalation causes dizziness, nausea, and vomiting. If continued, unconsciousness follows. Often there is a delayed reaction of chest pain, cough, and difficult breathing. There may be cyanosis and circulatory collapse. In fatal cases, death occurs from the fourth to eleventh day with pneumonitis and injury to kidneys, liver, and brain. Iron carbonyl is less toxic than nickel carbonyl.

    A very dangerous fire and moderate explosion hazard when exposed to heat or flame; can react vigorously with oxidizing materials. Warning: pyrophoric in air. Mixtures with nitrogen oxide explode above 50°C. Violent reaction with zinc + transition metal halides (e.g., cobalt halides, rhodium halides, ruthenium halides). Mixtures with acetic acid + water produce a pyrophoric powder. To fight fire, use water, foam, CO2, dry chemical. See also

  • Hazard Symbols: Flammable, dangerous fire risk. Toxic by ingestion, inhalation, and skin absorption. TLV: TWA 0.1 ppm (Fe); STEL 0.2 ppm.
  • EINECS: 236-670-8
  • Molecular Weight: 195.8955
  • InchiKey: FYOFOKCECDGJBF-UHFFFAOYSA-N
  • InChI: InChI=1S/5CO.Fe/c5*1-2;
  • Risk Statements: 11-24-26/28
  • Molecular Formula: C5FeO5
  • Molecular Structure:CAS No:13463-40-6 carbon monoxide

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37220-42-1; 13463-40-6 Iron Pentacarbonyl

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References of carbon monoxide
Title: Iron Pentacarbonyl
CAS Registry Number: 13463-40-6
Synonyms: Iron carbonyl; pentacarbonyliron
Molecular Formula: C5FeO5
Molecular Weight: 195.90
Percent Composition: C 30.66%, Fe 28.51%, O 40.84%
Line Formula: Fe(CO)5
Literature References: Prepn from CO and Fe ore: Wallis, Townshend, US 2378053 (1945 to International Nickel); from CO and Fe or FeSO4.7H2O: Reppe et al., Ann. 582, 116 (1953); from CO and Fe amalgams: Ettmayer, Jangg, Monatsh. Chem. 92, 834 (1961); from CO and steel turnings: Shipman, GB 897204 (1962 to ICI). Convenient lab prepn of small quantities of Fe(CO)5 from Fe(CO)4I2: Hieber, Lagally, Z. Anorg. Allg. Chem. 245, 295 (1940). Thermodynamic data: Cotton et al., J. Am. Chem. Soc. 81, 800 (1959); Leadbetter, Spice, Can. J. Chem. 37, 1923 (1959). Toxicity: Sunderman et al., Arch. Ind. Health 19, 11 (1959); Gage, Br. J. Ind. Med. 27, 1 (1970). Reviews: Cable, Sheline, Chem. Rev. 56, 1 (1956); Wender et al., The Chemistry and Catalytic Properties of Cobalt and Iron Carbonyls (U.S. Govt. Printing Office, Washington, 1962) 83 pp; H. Alper, "Organic Syntheses with Iron Pentacarbonyl" in Organic Syntheses via Metal Carbonyls vol. 2, I. Wender, P. Pino, Eds. (John Wiley, New York, 1977) pp 545-593. Review of iron tetracarbonyl, the photochemically produced intermediate: M. Poliakoff, Chem. Soc. Rev. 7, 527-540 (1978).
Properties: Colorless to yellow, oily liquid. Pyrophoric in air; burns to Fe2O3. Dec by light to Fe2(CO)9 and CO. mp -20°. bp 103°. d420 1.46-1.52; nD22 1.453. Critical temp 285-288°; critical pressure 29.6 atm. Flash pt -15°C. Heat capacity at constant pressure (14°) 56.9 cal/mole/°C. Latent heat of fusion 3161 cal/mol; latent heat of vaporization 9.6 kcal/mole. Heat of combustion -386.9 kcal/mole; heat of formation [Fe(CO)5(liq)] -182.6 kcal/mole. Practically insol in water, liquid ammonia. Readily sol in most organic solvents including ether, benzene, petr ether, acetone, ethyl acetate, carbon tetrachloride, carbon disulfide; slightly sol in alcohol. Protect from light and air. LD50 in mice, rats (mg/l): 2.19, 0.91 inhalation for 30 min. (Sunderman).
Melting point: mp -20°
Boiling point: bp 103°
Flash point: Flash pt -15°C
Index of refraction: nD22 1.453
Density: d420 1.46-1.52
Toxicity data: LD50 in mice, rats (mg/l): 2.19, 0.91 inhalation for 30 min. (Sunderman)
CAUTION: Potential symptoms of overexposure are irritation of eyes, mucous membranes, respiratory system; headache, dizziness, nausea, vomiting; fever, cyanosis, cough, dyspnea; liver, kidney, lung injury; degenerative CNS changes. See NIOSH Pocket Guide to Chemical Hazards (DHHS/NIOSH 97-140, 1997) p 174.
Use: To make finely divided iron, so-called carbonyl iron, which is used in the manuf of powdered iron cores for high frequency coils used in the radio and television industry; as antiknock agent in motor fuels; as catalyst and reagent in organic reactions.