Molybdenum oxytetrachloride

Molybdenum(VI) oxytetrachloride

Identifiers

CAS Number

* 13814-75-0 Y

3D model (JSmol)

* Interactive image

ChEBI |

* CHEBI:30698

ChemSpider |

* 19060258

EC Number |

* 628-149-2

PubChem CID

* 4084870 (formula error)

InChI

* Key: UYEGPKGLVUUIGD-UHFFFAOYSA-J

* InChI=1S/4ClH.O.Mo/h4*1H;;/q;;;;-2;/p-4

SMILES

* [O-2].[Cl-].[Cl-].[Cl-].[Cl-].[Mo]

Properties

Chemical formula

| Cl4MoO
Molar mass | 253.75 g·mol−1
Appearance  | dark green solid
Melting point |  100–1 °C (212–34 °F; 373–274 K)

Solubility in water

| reacts
Solubility | soluble in benzene and CS2
Hazards
GHS pictograms |
GHS Signal word | Danger

GHS hazard statements

| H314

GHS precautionary statements

| P260, P264, P280, P301+330+331, P303+361+353, P304+340, P305+351+338, P310, P321, P363, P405, P501

Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).

Infobox references

Tracking categories (test):

* SizeSet

Molybdenum oxytetrachloride is the inorganic compound with the formula MoOCl4. This thermally unstable, dark green solid is used to prepare other complexes of molybdenum. It adopts a square pyramidal structure of C4v symmetry. As for other Mo(VI) compounds, it is diamagnetic. It decomposes thermally to MoOCl3.

## Preparation

It is prepared by treating molybdenum pentachloride with oxygen.[2] It also arises by chlorination of molybdenum trioxide:[3]

MoO3 \+ 2 SOCl2 → MoOCl4 \+ 2 SO2

## See also

* Molybdenum dichloride dioxide

## References

1. ↑ "Molybdenum(VI) tetrachloride oxide" (in en). https://pubchem.ncbi.nlm.nih.gov/compound/4084870#section=Safety-and-Hazards.
2. ↑ Mallock, Alan K. (1967). "Molybdenum(VI) Oxide Chloride". Inorganic Syntheses. Inorganic Syntheses. 10. pp. 54–57. doi:10.1002/9780470132418.ch8. ISBN 9780470132418.
3. ↑ Nielson, A. J. (1985). "Tungsten and Molybdenum Tetrachloride Oxides". Inorganic Syntheses. Inorganic Syntheses. 23. pp. 323–325. doi:10.1002/9780470132548.ch41. ISBN 9780470132548.

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Molybdenum compounds

Mo(0)|

* Mo(CO)6

Mo(II)|

* MoBr2
* MoCl2
* MoSi2

Mo(III)|

* MoBr3
* MoCl3
* MoI3
* Mo2O3

Mo(IV)|

* MoCl4
* MoF4
* MoO2
* MoS2

Mo(V)|

* MoCl5
* MoF5
* Mo2O5

Mo(VI)|

* MoF6
* MoO3
* MoS3

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*[CID]: Compound ID
*[H314]: Causes severe skin burns and eye damage
*[P260]: Do not breathe dust/fume/gas/mist/vapours/spray
*[P264]: Wash … thoroughly after handling
*[P280]: Wear protective gloves/protective clothing/eye protection/face protection
*[P301+330+331]: IF SWALLOWED: Rinse mouth. Do NOT induce vomiting
*[P303+361+353]: IF ON SKIN (or hair): Remove/Take off immediately all contaminated clothing. Rinse skin with water/shower
*[P304+340]: IF INHALED: Remove victim to fresh air and keep at rest in a position comfortable for breathing
*[P305+351+338]: IF IN EYES: Rinse continuously with water for several minutes. Remove contact lenses if present and easy to do – continue rinsing
*[P310]: Immediately call a POISON CENTER or doctor/physician
*[P321]: Specific treatment (see … on this label)
*[P363]: Wash contaminated clothing before reuse
*[P405]: Store locked up
*[P501]: Dispose of contents/container to …
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