Methylarsonic acid
Properties
- Molecular formula
- CH5AsO3
- Molar mass
- 139.97 g/mol
- Exact mass
- 139.9455 Da
- Melting point
- 160.5 °C
- pKa
- 4.1, 9.02
- logP
- -1.03Crippen estimate
- Polar surface area
- 57.5 Ų
- H-bond donors / acceptors
- 2 / 1
- Rotatable bonds
- 0
Hazards
Danger
- H301 Toxic if swallowed100% of notifiers
- H331 Toxic if inhaled100% of notifiers
- H400 Very toxic to aquatic life100% of notifiers
- H410 Very toxic to aquatic life with long lasting effects100% of notifiers
Aggregated from 38 ECHA notifications, via PubChem; a share says how many notifiers assign that statement.
Precautionary statements
P261, P264, P270, P271, P273, P301+P316, P304+P340, P316, P321, P330, P391, P403+P233, P405, P501
Identifiers
CAS number
124-58-3SMILES
C[As](=O)(O)OInChIKey
QYPPRTNMGCREIM-UHFFFAOYSA-NInChI
InChI=1S/CH5AsO3/c1-2(3,4)5/h1H3,(H2,3,4,5)Characterization data
Calculated from the structure, in the form journals print them.
[M + H]+
[M + H]+ Calcd for CH6AsO3 140.9527[M + Na]+
[M + Na]+ Calcd for CH5AsNaO3 162.9347[M − H]−
[M − H]− Calcd for CH4AsO3 138.9382Elemental analysis
Anal. Calcd for CH5AsO3: C, 8.58; H, 3.60.Weigh it out
Type any one amount. The others follow from the molar mass.
Names and synonyms
8 names
- Arsonic acid, methyl-
- Methanearsonic acid
- MAA
- Monomethylarsonic acid
- NSC 71150
- NSC 71151
- NSC 71153
- NSC 71154
Work with Methylarsonic acid
Stereoisomers, salts and isotopologues
The same compound in another form: other stereochemistry, a salt or hydrate, the free acid or base, or an isotope-labelled version.
Similar compounds
Tanimoto similarity of circular fingerprints over the whole catalogue.