4-[Ethyl(3-methylphenyl)amino]-1-butanesulfonic acid
- CAS
- 127531-29-7
- Formula
- C13H21NO3S
- MW
- 271.38 g/mol
ZX-045374
Other Organic Building Blocks
Monomethylarsonic acid
Available on request
Order Monomethylarsonic acid (CAS 124-58-3) online at Zemixal: CH5AsO3, COA and SDS with every lot, worldwide shipping. Catalogue no. ZX-045371.
CAS number124-58-3
FormulaCH5AsO3
Molar mass139.97 g/mol
InChIKeyQYPPRTNMGCREIM-UHFFFAOYSA-N
IUPAC namemethylarsonic acid
About Monomethylarsonic acid
Monomethylarsonic acid is part of the Zemixal other Organic Building Blocks range. Key data: CAS 124-58-3, formula CH5AsO3 and molar mass 139.97 g/mol.
Typical applications
- Organic synthesis
- API synthesis
Storage and safety notes
Hazard communication follows GHS (Danger: H301, H331, H400 and H410). Our SDS lists exposure controls and first-aid measures.
Available as 100 mg, 250 mg, 1 g and 5 g. Larger or split packs can be arranged. You receive a batch certificate of analysis and a 16-section SDS with each order. Request pricing online and we confirm availability, documentation and freight to your country.
Typical uses
- Organic synthesis
- API synthesis
Applications
Specifications and identifiers
| Product name | Monomethylarsonic acid |
|---|---|
| Catalogue number | ZX-045371 |
| CAS number | 124-58-3 |
| IUPAC name | methylarsonic acid |
| Molecular formula | CH5AsO3 |
| Molar mass | 139.97 g/mol |
| Exact mass | 139.9455 |
| H-bond donors / acceptors | 2 / 3 |
| Topological polar surface area | 57.5 Ų |
| InChIKey | QYPPRTNMGCREIM-UHFFFAOYSA-N |
| SMILES | C[As](=O)(O)O |
| PubChem CID | 8948 |
| Synonyms | Arsonic acid, methyl-, Methylarsinic acid, Monomethylarsinic acid, Methylarsenic acid, Kyselina methylarsonova, MeAsO(OH)2, Monomethylarsonate, Methylarsonic acid [ISO], methyl Arsonic acid, Methylarsonate |
Lot values are stated on the batch certificate of analysis. Ask for a typical COA with your quotation.
Safety and GHS hazards
Signal word Danger
- H301Toxic if swallowed
- H331Toxic if inhaled
- H400Very toxic to aquatic life
- H410Very toxic to aquatic life with long lasting effects
Precautionary statements P261, P264, P270, P271, P273, P301 + P316, P304 + P340, P316, P321, P330, P391, P403 + P233, P405, P501
Classification summarised from public GHS notifications. It can vary with grade and concentration, so always follow the SDS supplied with your lot.
Pack sizes
| 100 mg | Quoted on request | |
| 250 mg | Quoted on request | |
| 1 g | Quoted on request | |
| 5 g | Quoted on request |
Need a different size? Bulk drums and custom packing are quoted on request through the quote form on this page.
Questions about Monomethylarsonic acid
Which CAS number identifies Monomethylarsonic acid?
Monomethylarsonic acid is registered under CAS 124-58-3. You may also see it listed as Arsonic acid, methyl-, Methylarsinic acid, Monomethylarsinic acid. Our catalogue number for this item is ZX-045371.
What are the formula and molar mass of Monomethylarsonic acid?
For Monomethylarsonic acid, its formula is CH5AsO3 and its molar mass is 139.97 g/mol. The systematic (IUPAC) name is methylarsonic acid. InChIKey QYPPRTNMGCREIM-UHFFFAOYSA-N lets you match it in any structure database.
What grade and pack sizes are available for Monomethylarsonic acid?
The grade and assay are confirmed on the quotation and the batch COA. Standard packs are 100 mg, 250 mg, 1 g, 5 g. Larger quantities and custom packing can be quoted on request.
Which documents come with Monomethylarsonic acid?
Each lot ships with a batch certificate of analysis and a 16-section GHS safety data sheet. A typical COA or specification sheet can be shared with the quotation before you order.
Can Zemixal ship Monomethylarsonic acid to my country?
Yes. Because Monomethylarsonic acid is classed as hazardous, it travels in UN-approved packaging as dangerous goods under IATA or IMDG rules, with the export paperwork your broker needs.
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