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Molybdenum hexacarbonyl

Product Name
Molybdenum hexacarbonyl
CAS No.
13939-06-5
Chemical Name
Molybdenum hexacarbonyl
Synonyms
Mo(CO)6;MOLYBDENUM CARBONYL;HEXACARBONYLMOLYBDENUM;Hexacarbonylmolybdenum(0);ybdenum hexacarbonyL;Molybdenumcarbonyl,98%;MOLYBDENUM HEXACARBONYL;Molybdenum carbonyl 98%;Hexacarbonylmolybdenum 98%;Molybdenumcarbonyl(Mo(CO)6)
CBNumber
CB4348407
Molecular Formula
C6MoO6
Formula Weight
264
MOL File
13939-06-5.mol
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Molybdenum hexacarbonyl Property

Melting point:
150 °C (dec.) (lit.)
Boiling point:
156 °C (lit.)
Density 
1.96 g/mL at 25 °C (lit.)
vapor density 
9.1 (vs air)
vapor pressure 
0.13 hPa (20 °C)
storage temp. 
Store at <= 20°C.
solubility 
Slightly soluble in tetrahydrofuran, diglyme and acetonitrile.
form 
crystal
color 
white
Specific Gravity
1.960
Water Solubility 
insoluble
Hydrolytic Sensitivity
4: no reaction with water under neutral conditions
Exposure limits
ACGIH: TWA 10 mg/m3; TWA 3 mg/m3
NIOSH: IDLH 5000 mg/m3
InChIKey
KMKBZNSIJQWHJA-UHFFFAOYSA-N
CAS DataBase Reference
13939-06-5(CAS DataBase Reference)
NIST Chemistry Reference
Molybdenum hexacarbonyl(13939-06-5)
EPA Substance Registry System
Molybdenum carbonyl (Mo(CO)6), (OC-6-11)- (13939-06-5)
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Safety

Hazard Codes 
T+,Xi
Risk Statements 
26/27/28
Safety Statements 
36/37/39-45-36/37-28A-22
RIDADR 
UN 3466 6.1/PG 2
WGK Germany 
3
Hazard Note 
Irritant
TSCA 
Yes
HazardClass 
6.1
PackingGroup 
II
HS Code 
29310095
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Hazard and Precautionary Statements (GHS)

Symbol(GHS)
Signal word
Danger
Hazard statements

H331Toxic if inhaled

Precautionary statements

P261Avoid breathing dust/fume/gas/mist/vapours/spray.

P271Use only outdoors or in a well-ventilated area.

P403+P233Store in a well-ventilated place. Keep container tightly closed.

P405Store locked up.

P501Dispose of contents/container to..…

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N-Bromosuccinimide Price

Sigma-Aldrich
Product number
8.00396
Product name
Hexacarbonylmolybdenum
Purity
for synthesis
Packaging
10g
Price
$188
Updated
2025/07/31
Sigma-Aldrich
Product number
8.00396
Product name
Hexacarbonylmolybdenum
Purity
for synthesis
Packaging
25g
Price
$404
Updated
2025/07/31
Sigma-Aldrich
Product number
199958
Product name
Molybdenumhexacarbonyl
Purity
98%
Packaging
10g
Price
$100
Updated
2023/06/20
Sigma-Aldrich
Product number
199958
Product name
Molybdenumhexacarbonyl
Purity
98%
Packaging
50g
Price
$263
Updated
2023/06/20
Strem Chemicals
Product number
42-1350
Product name
Molybdenum carbonyl, 98%
Packaging
5g
Price
$58
Updated
2024/03/01
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Molybdenum hexacarbonyl Chemical Properties,Usage,Production

Chemical Properties

WHITE TO LIGHT YELLOW CRYSTALLINE POWDER

Uses

Plating molybdenum, i.e., molybdenum mir-rors; intermediate.

Uses

It is used as a catalyst in many organicsynthetic reactions.

Uses

Alumina supported molybdenum hexacarbonyl acts as an active catalyst. It is used to synthesize MoO and MoC nanowires by electron beam induced deposition.

General Description

Molybdenum hexacarbonyl is a colorless compound that sublimates and decomposes without melting at 150oC. It has an octahedral structure. Inherent sublimation of molybdenum hexacarbonyl permits it to perform as an active liquefaction catalyst. To form a catalyst it is adsorbed on dehydroxylated alumina forming subcarboyls.

Hazard

Decomposes above 150C to evolve carbonmonoxide.

Health Hazard

Molybdenum hexacarbonyl is a highly toxicsubstance. It is listed in Toxic SubstanceControl Act. Acute symptoms includeheadache, dizziness, nausea, vomiting, andfever. Because of its low vapor pressure,the risk of exposure of this compound,however, by inhalation is lower than thatfrom the volatile tetra- or pentacoordinatedmetal carbonyls. Ingestion of the compoundcan cause death. Absorption of its solutionthrough skin may cause severe poisoning,manifesting the same effects as those fromother routes of exposure.

Fire Hazard

It reacts violently with strong oxidizers. Contact with concentrated acids is expected to be violent. Its solutions are susceptible to detonate spontaneously (Owen 1950). Ethereal solutions of this compound can explode on extended storage (Bretherick 1995).

reaction suitability

core: molybdenum
reagent type: catalyst

Purification Methods

Sublime it in a vacuum before use [Connor et al. J Chem Soc, Dalton Trans 511 1986]. TOXIC.

Molybdenum hexacarbonyl Preparation Products And Raw materials

Raw materials

Preparation Products

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Molybdenum hexacarbonyl Suppliers

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