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Ironpentacarbonyl

Product Name:
Ironpentacarbonyl
CAS No.
13463-40-6
Chemical Name:
Ironpentacarbonyl
CBNumber:
CB8475886
Molecular Formula:
5CO.Fe
Formula Weight:
195.9
MOL File:
13463-40-6.mol
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Ironpentacarbonyl Property

Melting point:
-20 °C
Boiling point:
103 °C(lit.)
Density 
1.49 g/mL at 25 °C(lit.)
vapor density 
6.74 (vs air)
vapor pressure 
35 mm Hg ( 25 °C)
refractive index 
n20/D 1.5196(lit.)
Flash point:
5 °F
storage temp. 
0-6°C
form 
Liquid Which May Contain Particulate Matter
Specific Gravity
1.490
color 
Yellow-orange to brown
Water Solubility 
Soluble in nickel tetracarbonyl and organic solvents. Insoluble in water
Sensitive 
Air Sensitive
Hydrolytic Sensitivity
3: reacts with aqueous base
Merck 
14,5099
Exposure limits
TLV-TWA: 0.1 ppm (~0.8 mg(Fe)/m3)
(ACGIH), 0.01 ppm (MSHA)
TLV-STEL: 0.2 ppm (~1.6 mg(Fe)/m3)
(ACGIH).
CAS DataBase Reference
13463-40-6(CAS DataBase Reference)
EPA Substance Registry System
Iron pentacarbonyl (13463-40-6)
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Safety

Hazard Codes 
F,T+
Risk Statements 
11-24-26/28
Safety Statements 
16-26-28-36/37/39-45
RIDADR 
UN 1994 6.1/PG 1
WGK Germany 
2
RTECS 
NO4900000
10
TSCA 
Yes
HazardClass 
6.1
PackingGroup 
I
HS Code 
29310099
Toxicity
LD50 in mice, rats (mg/l): 2.19, 0.91 inhalation for 30 min. (Sunderman)
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N-Bromosuccinimide Price More Price(6)

Alfa Aesar Gold
Product number:
031113
Product name :
Pentacarbonyliron
Purity:
99.5%
Packaging:
25g
Price:
$30.5
Updated:
2020/06/24
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Buy
Alfa Aesar Gold
Product number:
031113
Product name :
Pentacarbonyliron
Purity:
99.5%
Packaging:
1kg
Price:
$378
Updated:
2020/06/24
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Buy
Strem Chemicals Gold
Product number:
26-2801
Product name :
Iron pentacarbonyl, 99.5% (99.9+%-Fe) (Sure/Seal bottle)
Packaging:
1kg
Price:
$231
Updated:
2020/06/24
Buy:
Buy
Strem Chemicals Gold
Product number:
26-2801
Product name :
Iron pentacarbonyl, 99.5% (99.9+%-Fe) (Sure/Seal bottle)
Packaging:
250g
Price:
$100
Updated:
2020/06/24
Buy:
Buy
Strem Chemicals Gold
Product number:
26-2800
Product name :
Iron pentacarbonyl, 99.5% (99.9+%-Fe)
Packaging:
1kg
Price:
$231
Updated:
2020/06/24
Buy:
Buy
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Ironpentacarbonyl Chemical Properties,Usage,Production

Chemical Properties

yellow-orange to brown liquid which

Uses

To make finely divided iron, so-called carbonyl iron, which is used in the manufacture 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.

Uses

It is used to produce carbonyl iron (finelydivided iron) for high frequency coils andalso for radio and television (Merck 1996).It is also used as a catalyst in many organicsyntheses and as an antiknock agent in motorfuels.

General Description

A yellow to dark red liquid. Insoluble in water and denser than water. Very toxic by inhalation, ingestion, and skin absorption. Flash point 5°F. Used to make other chemicals.

Air & Water Reactions

Highly flammable. Ironpentacarbonyl is spontaneously flammable in air, [R. Kamo, IIT Progs. Rept. 1, p. 23(1962)]. Insoluble in water.

Reactivity Profile

Organometallics, such as Ironpentacarbonyl, are reactive with many other groups. Incompatible with acids and bases. Organometallics are good reducing agents and therefore incompatible with oxidizing agents. Often reactive with water to generate toxic or flammable gases. A brown pyrophoric powder is produced by the combination of the carbonyl with acetic acid containing greater than 5% of water.

Health Hazard

Toxicity of Ironpentacarbonyl is high via all routes of entry. Cyanosis (bluish discoloration of skin) and circulatory collapse may occur after exposure. Death may result. Pneumonitis and injury to the kidneys, liver, and central nervous system may also occur.

Health Hazard

Iron pentacarbonyl is highly toxic, the acutetoxicity, however, is lower than that of nickeltetracarbonyl. The toxic symptoms, however,are nearly the same. Being highly volatile[the vapor pressure being 30 torr at 20°C(68°F)], this compound presents a seriousrisk of inhalation to its vapors. Furthermore,it evolves toxic carbon monoxide whenexposed to light. The reaction is as follows:
2Fe(CO)5→Fe2(CO)9 +CO
Therefore, all handling and operations mustbe carried out in fume hoods or under adequateventilation. Inhalation of its vapor can cause headache, dizziness, and somnolence.Other symptoms are fever, coughing andcyanosis, which may manifest several hoursafter exposure. The vapor is an irritant tothe lung. Chronic exposure may cause injuryto liver and kidneys. The inhalation LC50value in rats is 10 ppm for a 4-hour exposureperiod (RTECS 2004). The oral LD50value in rats is 25 mg/kg and in rabbits 12mg/kg. Any cancer-causing effect in animalsor humans has not been reported. Sodium saltof EDTA or dithiocarb salts of sodium or calciumare antidotes against iron pentacarbonylpoisoning.

Fire Hazard

Ironpentacarbonyl may be ignited by heat, sparks, or flames. Vapors may travel to ignition source and flash back. Containers may explode in the heat of fire. Evolution of carbon monoxide may create a poison hazard. Ironpentacarbonyl presents a vapor explosion and poison hazard indoors, outdoors, or in sewers. Evolves carbon monoxide on exposure to air or to light. Emits carbon monoxide when heated to decomposition. Avoid acetic acid, water, nitrogen oxide, transition metal halides, and zinc and Ironpentacarbonyl burns in air. Decomposes in acids and alkalies. Protect from light and air.

Purification Methods

It is a pale yellow viscous liquid which is PYROPHORIC and readily absorbed by the skin. HIGHLY TOXIC (protect from light and air). It should be purified in a vacuum line by distilling and collecting in a trap at -96o (toluene-Dry ice slush). It has been distilled at atmospheric pressure (use a very efficient fume cupboard). At 180o/atmospheric pressure it decomposes to give Fe and CO. In UV light in pet ether it forms Fe2(CO)9 (see previous entry). [Hagen et al. Inorg Chem 17 1369 1978, Ewens et al. Trans Faraday Soc 35 6811 1939.]

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