Disodium methylarsonate

Base Information

• Chemical Name: Disodium methylarsonate
• CAS No.: 144-21-8
• Deprecated CAS: 19444-53-2
• Molecular Formula: CH3AsNa2O3
• Molecular Weight: 183.934
• Hs Code.: 2931900090
• European Community (EC) Number: 218-495-9,205-620-7
• UN Number: 3082
• UNII: 7NK4BV40VN
• DSSTox Substance ID: DTXSID4032665
• Nikkaji Number: J815J
• Wikipedia: Disodium_methyl_arsonate
• Wikidata: Q3066717
• ChEMBL ID: CHEMBL2289061
• Mol file: 144-21-8.mol

Synonyms:disodium methanearsonate;methanearsonic acid;methylarsonate;methylarsonic acid;methylarsonous acid;monomethylarsonic acid;monomethylarsonic acid, ammonium, iron (3+) salt;monomethylarsonic acid, calcium salt (2:1);monomethylarsonic acid, dimercury (1+) salt;monomethylarsonic acid, dipotassium salt;monomethylarsonic acid, disodium salt;monomethylarsonic acid, iron (2+) salt (3:2);monomethylarsonic acid, iron salt;monomethylarsonic acid, monoammonium salt;monomethylarsonic acid, monocalcium salt;monomethylarsonic acid, monosodium salt;monomethylarsonic acid, zinc salt;monosodium methanearsonate;MSMA;sodium methanearsonate

Chemical Property of Disodium methylarsonate

Chemical Property:

• Vapor Pressure: 8.17E-08mmHg at 25°C
• Melting Point: 132-139oC
• Boiling Point: 393.3 °C at 760 mmHg
• Flash Point: 205.8 °C
• PSA: 63.19000
• Density: 1.15
• LogP: -0.15340
• Hydrogen Bond Donor Count: 0
• Hydrogen Bond Acceptor Count: 3
• Rotatable Bond Count: 0
• Exact Mass: 183.909352
• Heavy Atom Count: 7
• Complexity: 49.8

Purity/Quality:

99.9% ^*data from raw suppliers

Methyl Arsonic Acid Disodium Salt ^*data from reagent suppliers

Safty Information:

• Pictogram(s): Xn
• Hazard Codes: Xn,N,T
• Statements: 22-50/53-23/25
• Safety Statements: 26-61-60-45-28-20/21

MSDS Files:

SDS file from LookChem

Total 1 MSDS from other Authors

Useful:

• Chemical Classes: Metals -> Arsenic Compounds, Organic
• Canonical SMILES: C[As](=O)([O-])[O-].[Na+].[Na+]

Technology Process of Disodium methylarsonate

There total 4 articles about Disodium methylarsonate which guide to synthetic route it. The literature collected by LookChem mainly comes from the sharing of users and the free literature resources found by Internet computing technology. We keep the original model of the professional version of literature to make it easier and faster for users to retrieve and use. At the same time, we analyze and calculate the most feasible synthesis route with the highest yield for your reference as below:

synthetic route:

Reference yield:

dimethyl sulfate (77-78-1) → Arrhenal (144-21-8)

Guidance literature:

With trisodium arsenite; at 85 ℃;

Reference yield:

arsenic(III) trioxide + methyl iodide (74-88-4) → Arrhenal (144-21-8)

Guidance literature:

In not given; in alkaline soln.; 75°C;;

Reference yield:

methyl iodide (74-88-4) → Arrhenal (144-21-8)

Guidance literature:

With methanol; sodium hydroxide; Reinigung des Produktes durch Versetzen mit Barytwasser, Behandeln mit CO₂ und nochmaliges Faellen mit Alkohol; Ausbeute an reinem Dinatriumsalz mindestens 95prozent;

upstream raw materials:

dimethyl sulfate

methyl iodide

Refernces

• 1、 -. "Substituted pyridinesulfonamide compounds or their salts, process for preparing the same, and herbicides containing the same". . . Retrieved 2008/06/13.
• 2、 -. "Cyanobenzeneacetonitriles". . . Retrieved 2008/06/13.