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Substance Name: MAMA
RN: 2321-53-1
UNII: 83358PW33I
InChIKey: MLWMZTRCXNCAPF-UHFFFAOYSA-N

Classification Codes

  • Agricultural Chemical
  • Herbicide
  • Mutation Data

Molecular Formula

  • C-H4-As-O3.H4-N

Molecular Weight

  • 157.0
 
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Names and Synonyms

Results Name

  • MAMA

Name of Substance

  • Methylarsonic acid ammonium salt

Synonyms

  • Ammonium hydrogen methylarsonate
  • Ammonium methanearsonate
  • Ansar 157
  • Arsonic acid, methyl-, monoammonium salt
  • Caswell No. 580C
  • EPA Pesticide Chemical Code 013808
  • MAMA
  • Methanearsonic acid, ammonium salt
  • Methylarsonat monoamonny
  • Methylarsonat monoamonny [Czech]
  • Methylarsonic acid ammonium salt
  • Monoammonium methanearsonate
  • UNII-83358PW33I
  • USAF AN-16

Systematic Names

  • Arsonic acid, methyl-, monoammonium salt
  • Methanearsonic acid, monoammonium salt

Registry Numbers

CAS Registry Number

  • 2321-53-1

FDA UNII

  • 83358PW33I

Related Registry Number

  • 124-58-3 (Parent)

System Generated Number

  • 0002321531

Molecular Formulas

Molecular Formula

  • C-H4-As-O3.H4-N

Molecular Formula Fragments

  • C-H4-As-O3
  • COMPONENT
  • H4-N

Structure Descriptors

InChI

1S/CH5AsO3.H3N/c1-2(3,4)5;/h1H3,(H2,3,4,5);1H3

InChIKey

MLWMZTRCXNCAPF-UHFFFAOYSA-N

Smiles

[As](C)(O)(=O)[O-].[NH4+]

Toxicity

Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
mouse LD50 intraperitoneal > 1gm/kg (1000mg/kg)   National Technical Information Service. Vol. AD691-490,
rat LD50 oral 750mg/kg (750mg/kg)   "Pesticide Index," Frear, E.H., ed., State College, PA, College Science Pub., 1969Vol. 4, Pg. 266, 1969.