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Substance Name: Methylarsonic acid [ISO]
RN: 124-58-3
UNII: J37VJ5709S
InChIKey: QYPPRTNMGCREIM-UHFFFAOYSA-N

Classification Codes

  • Agricultural Chemical
  • Herbicide
  • Herbicides
  • Mutation Data
  • Noxae
  • Pesticides
  • Teratogens

Molecular Formula

  • C-H5-As-O3

Molecular Weight

  • 139.969
 
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Names and Synonyms

Results Name

  • Methylarsonic acid [ISO]

Name of Substance

  • Methanearsonic acid
  • Monomethylarsonic acid

Synonyms

  • 4-04-00-03682 (Beilstein Handbook Reference)
  • Arsonic acid, methyl-
  • BRN 1739373
  • CCRIS 9324
  • DSMA (JMAF)
  • EINECS 204-705-6
  • HSDB 845
  • Kyselina methylarsonova
  • Kyselina methylarsonova [Czech]
  • Methylarsenic acid
  • Methylarsinic acid
  • Methylarsonic acid
  • Methylarsonic acid [ISO]
  • Monomethylarsinic acid
  • Monomethylarsonate
  • Monomethylarsonic acid
  • UNII-J37VJ5709S

Systematic Names

  • Arsonic acid, methyl-
  • Methanearsonic acid
  • Methylarsonic acid

Registry Numbers

CAS Registry Number

  • 124-58-3

FDA UNII

  • J37VJ5709S

Related Registry Numbers

  • 144-21-8 (di-hydrochloride salt)
  • 20324-26-9 (mono-zinc salt)
  • 2163-80-6 (mono-hydrochloride salt)
  • 22969-24-0 (unspecified hydrochloride salt)
  • 2321-53-1 (mono-ammonium salt)
  • 33972-75-7 (unspecified iron salt)
  • 35745-11-0 (unspecified ammonium.iron(3+) salt)
  • 39159-83-6 (di-potassium salt)
  • 5902-95-4 (calcium salt[2:1])
  • 63869-15-8 (di-mercury(1+) salt)
  • 6423-72-9 (mono-calcium salt)
  • 65513-69-1 (iron(2+) salt[3:2])

System Generated Number

  • 0000124583

Structure Descriptors

InChI

1S/CH5AsO3/c1-2(3,4)5/h1H3,(H2,3,4,5)

InChIKey

QYPPRTNMGCREIM-UHFFFAOYSA-N

Smiles

[As](C)(O)(O)=O

Toxicity

Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
mouse LD50 oral 1800mg/kg (1800mg/kg)   Journal of Agricultural and Food Chemistry. Vol. 45, Pg. 449, 1997.
mouse LD50 subcutaneous 794mg/kg (794mg/kg)   "Prehled Prumyslove Toxikologie; Organicke Latky," Marhold, J., Prague, Czechoslovakia, Avicenum, 1986Vol. -, Pg. 1265, 1986.
rat LD50 oral 961mg/kg (961mg/kg)   Fundamental and Applied Toxicology. Vol. 7, Pg. 299, 1986.

Physical Properties

Physical Property Value Units Temp (deg C) Source
Melting Point 160.5 deg C   EXP
pKa Dissociation Constant 4.1 (none)   EXP
log P (octanol-water) -1.180 (none)   EST
Water Solubility 2.56E+05 mg/L 20 EXP
Vapor Pressure 1.62E-03 mm Hg 25 EST
Atmospheric OH Rate Constant 4.70E-13 cm3/molecule-sec 25 EST

Physical property data is provided to ChemIDplus by SRC, Inc.