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DIIRON NONACARBONYL

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Products Intro: Product Name:DIIRON NONACARBONYL
CAS:15321-51-4
Purity:0.99 Package:5KG;1KG
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Products Intro: Product Name:DIIRONNONACARBONYL
CAS:15321-51-4
Purity:99% Package:1kg
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Products Intro: Product Name:DIIRON NONACARBONYL
CAS:15321-51-4
Purity:0.98 Package:1KG;5KG;25KG
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Products Intro: Product Name:Iron Nonacarbonyl.
CAS:15321-51-4
Purity:0.99 Package:1kg,5kg,25kgs,200kgs;bulk
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Products Intro: Product Name:Tri-μ-carbonylhexacarbonyldiiron
CAS:15321-51-4
DIIRON NONACARBONYL Basic information
Product Name:DIIRON NONACARBONYL
Synonyms:IRON NANOCARBONYL;IRON NONACARBONYL;DIIRON NONACARBONYL;NONACARBONYLDIIRON;Diiron enneacarbonyl;Diiron ennecarbonyl;Enneacarbonyldiiron;Fe2(CO)9
CAS:15321-51-4
MF:C9Fe2O9
MW:363.78
EINECS:239-359-5
Product Categories:metal carbonyl complexes;Catalysis and Inorganic Chemistry;Chemical Synthesis
Mol File:15321-51-4.mol
DIIRON NONACARBONYL Structure
DIIRON NONACARBONYL Chemical Properties
Melting point 100 °C
Boiling point 209°C (rough estimate)
density 2,85 g/cm3
storage temp. 2-8°C
form crystal
Specific Gravity2.85
color yellow to orange
Water Solubility Insoluble in water.
Sensitive Air Sensitive
Exposure limitsACGIH: TWA 1 mg/m3
NIOSH: TWA 1 mg/m3
EPA Substance Registry SystemIron, tri-.mu.-carbonylhexacarbonyldi-, (Fe-Fe) (15321-51-4)
Safety Information
Hazard Codes F,T
Risk Statements 11-23/25
Safety Statements 16-28-36/37/39-45
RIDADR UN 2930 6.1/PG 2
WGK Germany 3
4.8-25
TSCA Yes
HazardClass 6.1
PackingGroup II
HS Code 29310099
MSDS Information
ProviderLanguage
ACROS English
SigmaAldrich English
ALFA English
DIIRON NONACARBONYL Usage And Synthesis
DescriptionThis carbonyl is obtained as dark yellow platelets by exposing solutions of the pentacarbonyl in organic solvents to sunlight or ultraviolet irradiation.
Chemical Propertiesyellow to orange platelets
UsesReacts with phenylsilanes to give triply bridged diiron complexes.
UsesIt is an important reagent in organometallic chemistry and of occasional use in organic synthesis.
Purification MethodsWash it with EtOH and Et2O, then dry it in air. It sublimes at 35o at high vacuum. It forms dark yellow plates which are stable for several days when kept in small amounts. Large amounts, especially when placed in a desiccator, spontaneously ignite in a period of one day. It decomposes in moist air. It is insoluble in hydrocarbon solvents but forms complexes with several organic compounds. [Sheline & Pitzer J Am Chem Soc 72 1107 1950, Speyer & Wolf Chem Ber 60 1424 1927.] TOXIC.
Structure and conformationIron enneacarbonyl decomposes at 100°, but can be sublimed at 35°C in a high vacuum. It is insoluble in aliphatic hydrocarbons and reacts with many organic solvents to form mainly the pentacarbonyl or its substituted derivatives. These properties have considerably hindered structural studies ; the infrared spectrum, for example, can only be measured in the solid. The X-ray crystal structure determination shows it to have the structure shown in Fig. 8 in which six carbon monoxide molecules are arranged around each iron atom in a slightly distorted octahedral array. The Fe-Fe distance is 2.46A, whilst the Fe-C distances are all around 1.85A. The Mossbauer spectrum also suggests that the iron atoms are in an octahedral environment. However, since the compound is diamagnetic it must contain an Fe-Fe bond as well as the three bridging carbonyl groups.1.jpg
DIIRON NONACARBONYL Preparation Products And Raw materials
Raw materialsAcetic acid
Preparation ProductsIronpentacarbonyl-->IRON DODECACARBONYL
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