Methylarsine

Methylarsine
Names
	IUPAC name Methylarsine
Identifiers
3D model (JSmol)	Interactive image;
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PubChem CID	79054;
CompTox Dashboard (EPA)	{{#property:P3117}};
	SMILES C[AsH2];
Properties
Chemical formula	CH5As
Molar mass	91.972 g/mol
Appearance	Yellow, grey, or black solid
Hazards
Main hazards	Arsenic poisoning
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
	Infobox references

Methylarsine is an organoarsenic compound with the formula CH₅As. It consists of an arsine base with one of the hydrogens replaced with a methyl group, sharing some similarities with methylamine or methylphosphine. It is found as a nonmetallic yellow or metalloidal grey or black solid, depending on the allotrope. Methylarsine, being a compound of arsenic, carries the risk of arsenic poisoning. It is found in some marine biological systems.^[1]

References

↑ "Methylarsine". PubChem. Retrieved 30 March 2026.

This article "Methylarsine" is from Wikipedia. The list of its authors can be seen in its historical and/or the page Edithistory:Methylarsine. Articles copied from Draft Namespace on Wikipedia could be seen on the Draft Namespace of Wikipedia and not main one.

[1] "Methylarsine". PubChem. Retrieved 30 March 2026.

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