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Methylarsonic Acid

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Identification
Molecular formula
CH5AsO3
CAS number
124-58-3
IUPAC name
methylarsonic acid
State
State

At room temperature, methylarsonic acid is typically found in a solid crystalline state. Its appearance may vary slightly if hydrated.

Melting point (Celsius)
120.50
Melting point (Kelvin)
393.65
Boiling point (Celsius)
359.00
Boiling point (Kelvin)
632.15
General information
Molecular weight
141.96g/mol
Molar mass
141.9600g/mol
Density
1.5413g/cm3
Appearence

Methylarsonic acid typically appears as a white crystalline solid. It may also be encountered in various conditions as a colorless solution when dissolved in water.

Comment on solubility

Solubility of Methylarsonic Acid

Methylarsonic acid (C2H7AsO3) exhibits notable solubility characteristics that are important to understand for its applications and behavior in various environments.

Solubility in Water

This compound is known to be highly soluble in water. The solubility is primarily attributed to its structure, which allows for extensive hydrogen bonding with water molecules. As a result:

  • It readily dissolves in aqueous solutions, facilitating its usage in various chemical reactions.
  • The ionic nature of a part of its structure allows it to dissociate, thereby increasing solubility.
  • This property can enhance its mobility in soil and potential uptake by plants.

Environmental Considerations

When considering the implications of its solubility:

  • Methylarsonic acid's high solubility can lead to contamination of water sources, raising concerns in environmental science.
  • Its ability to migrate in aqueous media makes understanding its fate and transport critical in risk assessments.
  • Being soluble also influences bioavailability and toxicity in ecosystems, particularly in aquatic environments.

In conclusion, the solubility of methylarsonic acid in water is a vital aspect impacting its behavior and effects in both environmental and biological contexts. Careful consideration of its solubility can lead to better management practices and remediation efforts.

Interesting facts

Methylarsonic Acid: An Overview

Methylarsonic acid is an organic compound that has garnered significant interest in various fields, particularly in toxicology and agriculture. Here are some fascinating facts that shed light on this intriguing compound:

  • Environmental Relevance: Methylarsonic acid is a methylated derivative of arsenic (As). Its formation is often associated with the methylation of inorganic arsenic in the environment, raising concerns about arsenic bioavailability and toxicity.
  • Applications in Agriculture: This compound has been studied for its potential use as a herbicide. Its derivatives have been investigated for their effects on plant growth and weed management, particularly in rice paddies, where arsenic contamination is a critical concern.
  • Toxicological Studies: Research has shown that methylarsonic acid can exhibit both toxicity and carcinogenic properties. Understanding its metabolic pathways is crucial for assessing its health effects. Scientists often note, "The implications of arsenic compounds on human health cannot be overstated."
  • Regulatory Attention: Due to its association with arsenic, methylarsonic acid falls under scrutiny by environmental and public health agencies. Regulatory bodies worldwide are focusing on monitoring compounds like this to ensure safe levels in soil and water.
  • Pharmacological Potential: Interestingly, some studies have evaluated methylarsonic acid's potential as an anti-cancer agent. This aspect showcases the dual nature of certain chemical compounds, where toxicity can coexist with beneficial effects depending on the context of exposure.

In summary, methylarsonic acid is more than just another compound; it is a prime example of how a substance can have multifaceted roles in environmental science, agriculture, and health. As research evolves, the understanding of this intriguing compound continues to unfold, offering new insights into its mechanisms and applications.

Synonyms
Methylarsonic acid
124-58-3
Monomethylarsonic acid
Arsonic acid, methyl-
METHANEARSONIC ACID
Methylarsinic acid
Monomethylarsinic acid
Monomethylarsonate
Methylarsenic acid
Methylarsonic acid [ISO]
Kyselina methylarsonova
DSMA (JMAF)
Kyselina methylarsonova [Czech]
methyl Arsonic acid
Methylarsonate
HSDB 845
EINECS 204-705-6
BRN 1739373
CCRIS 9324
CHEBI:29852
J37VJ5709S
MeAsO(OH)2
DTXSID4020903
METHANEARSONIC ACID [MI]
METHYLARSONIC ACID [HSDB]
METHYLARSONIC ACID [IARC]
4-04-00-03682 (Beilstein Handbook Reference)
METHANEARSONIC ACID [WHO-DD]
METHYLARSONIC ACID (IARC)
MONOMETHYLARSONIC ACID (SEE METHYLARSONIC ACID) [IARC]
MONOMETHYLARSONIC ACID (SEE METHYLARSONIC ACID) (IARC)
UNII-J37VJ5709S
Arsonic acid, methyl
NCIOpen2_000482
NCIOpen2_000522
NCIOpen2_004484
NCIOpen2_008444
Pesticide Code: 128876
DTXCID80903
SCHEMBL122145
CHEMBL1743208
AKOS040753035
Monomethylarsonic Acid Standard Solution
DB-255297
NS00079162
C07294
Q1976186
204-705-6
4950-59-8