Arsenic acid (H3AsO4), monomethyl ester

methoxyarsonic acid

CAS: 70786-76-4

Molecular Formula	`CH5AsO4`
Molecular Weight	155.94038 g/mol
LogP	-1.52
Topological Polar Surface Area	66.76 Å²
Hydrogen Bond Donors	2
Hydrogen Bond Acceptors	2
Rotatable Bonds	1
Exact Mass	155.94038
Heavy Atoms	6
Complexity	71.6

Chemical Identifiers

CAS Number	70786-76-4
SMILES	`CO[As](=O)(O)O`

Product Overview

Arsenic acid (H3AsO4), monomethyl ester (CAS 70786-76-4), with molecular formula CH5AsO4 and molecular weight 155.94038 g/mol. IUPAC: methoxyarsonic acid.

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Safety Data Sheet (MSDS / SDS) View the Laboratory Chemical Safety Summary (LCSS) on PubChem — includes GHS classifications, hazard statements, first aid measures, and handling precautions.

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