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≥98% for sensitive chromatographic and analytical workflows requiring minimal baseline interference.
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SDS, COA, datasheet, and spec sheet available for download. Lot-specific COA accessible via lot number lookup.
Cited in 2 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.
Sodium cacodylate is an organic arsenic compound that is metabolized to produce inorganic, trivalent arsenicin vivo. Sodium cacodylate has been used as a source of arsenic in toxicological research. It is used as a buffer with an effective pH buffering range of 5.1-7.4. In microscopy studies, the buffering capacity of cacodylate prevents excess acidity that may result from tissue fixation.Sodium cacodylate trihydrate has been used in the stabilization of the fixatives for electron microscopy. It has also been used to collect vibratome sections to perform nucleoside-diphosphatase technique.
| Canonical Smiles | C[As](=O)(C)[O-].O.O.O.[Na+] |
|---|---|
| IUPAC Name | sodium;dimethylarsinate;trihydrate |
| InChIKey | RLGWPHBPRCROJO-UHFFFAOYSA-M |
| INCHI | 1S/C2H7AsO2.Na.3H2O/c1-3(2,4)5;;;;/h1-2H3,(H,4,5);;3*1H2/q;+1;;;/p-1 |
| Isomeric SMILES | C[As](=O)(C)[O-].O.O.O.[Na+] |
| WGK Germany | 3 |
| RTECS | CH7890000 |
| PubChem CID | 23679059 |
| UN Number | 1688 |
| Molecular Weight | 214.03 |
| Beilstein | 3702348 |
Comprehensive hazard, handling, storage, and regulatory compliance document.
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View spec sheet →Taxonomy Tree
| Kingdom | Organic compounds |
|---|---|
| Superclass | Organometallic compounds |
| Class | Organometalloid compounds |
| Subclass | Organoarsenic compounds |
| Intermediate Tree Nodes | Pentavalent organic arsenic compounds |
| Direct Parent | Pentaorganoarsanes |
| Alternative Parents | Organic metalloid salts Alkylarsine oxides Organic sodium salts Organic oxides Hydrocarbon derivatives Organic cations |
| Molecular Framework | Aliphatic acyclic compounds |
| Substituents | Pentaorganoarsane - Alkylarsine oxide - Oxygen-containing organoarsenic compound - Organic alkali metal salt - Organic metalloid salt - Organic oxygen compound - Organic oxide - Hydrocarbon derivative - Organic sodium salt - Organic salt - Organic cation - Aliphatic acyclic compound |
| Description | This compound belongs to the class of organic compounds known as pentaorganoarsanes. These are organoarsenic compounds containing an arsenic compound that is pentasubstituted by only organic groups. |
| External Descriptors | Not available |
Find and download the COA for your product by matching the lot number on the packaging.
| Lot Number | Certificate Type | Date | Item |
|---|---|---|---|
| Certificate of Analysis | May 13, 2026 | S464785 | |
| Certificate of Analysis | May 13, 2026 | S464785 | |
| Certificate of Analysis | May 13, 2026 | S464785 | |
| Certificate of Analysis | May 13, 2026 | S464785 | |
| Certificate of Analysis | Aug 29, 2025 | S464785 | |
| Certificate of Analysis | Aug 29, 2025 | S464785 | |
| Certificate of Analysis | Aug 29, 2025 | S464785 | |
| Certificate of Analysis | Feb 06, 2025 | S464785 | |
| Certificate of Analysis | Feb 06, 2025 | S464785 | |
| Certificate of Analysis | Feb 06, 2025 | S464785 | |
| Certificate of Analysis | Jan 18, 2025 | S464785 | |
| Certificate of Analysis | Jan 18, 2025 | S464785 | |
| Certificate of Analysis | Jan 18, 2025 | S464785 | |
| Certificate of Analysis | Aug 19, 2024 | S464785 | |
| Certificate of Analysis | Aug 19, 2024 | S464785 | |
| Certificate of Analysis | Aug 19, 2024 | S464785 | |
| Certificate of Analysis | Jun 05, 2024 | S464785 | |
| Certificate of Analysis | Jun 05, 2024 | S464785 | |
| Certificate of Analysis | Jun 05, 2024 | S464785 | |
| Certificate of Analysis | Mar 14, 2024 | S464785 | |
| Certificate of Analysis | Mar 14, 2024 | S464785 | |
| Certificate of Analysis | Mar 14, 2024 | S464785 | |
| Certificate of Analysis | Mar 14, 2024 | S464785 | |
| Certificate of Analysis | Mar 14, 2024 | S464785 | |
| Certificate of Analysis | Mar 14, 2024 | S464785 | |
| Certificate of Analysis | Apr 03, 2023 | S464785 | |
| Certificate of Analysis | Apr 03, 2023 | S464785 | |
| Certificate of Analysis | Apr 03, 2023 | S464785 | |
| Certificate of Analysis | Apr 03, 2023 | S464785 | |
| Certificate of Analysis | Apr 03, 2023 | S464785 |
| Solubility | water: 100mg/mL, clear, colorless |
|---|---|
| Sensitivity | moisture sensitive |
| Melt Point(°C) | 60°C |
| Molecular Weight | 214.030 g/mol |
| XLogP3 | |
| Hydrogen Bond Donor Count | 3 |
| Hydrogen Bond Acceptor Count | 5 |
| Rotatable Bond Count | 0 |
| Exact Mass | 213.98 Da |
| Monoisotopic Mass | 213.98 Da |
| Topological Polar Surface Area | 43.100 Ų |
| Heavy Atom Count | 9 |
| Formal Charge | 0 |
| Complexity | 65.900 |
| Isotope Atom Count | 0 |
| Defined Atom Stereocenter Count | 0 |
| Undefined Atom Stereocenter Count | 0 |
| Defined Bond Stereocenter Count | 0 |
| Undefined Bond Stereocenter Count | 0 |
| The total count of all stereochemical bonds | 0 |
| Covalently-Bonded Unit Count | 5 |
| 1. Jiaming Xiong, Minghui Ye, Zhijian Wang, Jiajun Chen, Yufei Zhang, Yongchao Tang, Cheng Chao Li. (2022) Fast and homogeneous ion regulation toward a 4 V, high-rate and dendrite-free potassium metal battery. CHEMICAL ENGINEERING JOURNAL, [PMID:] [10.1016/j.cej.2022.135927] |
| 2. Wei Luo, Shoucun Zhang, Peng Li, Ran Xu, Yuexuan Zhang, Liyun Liang, Colin D. Wood, Qunwei Lu, Bien Tan. (2015) Surfactant-free CO2-in-water emulsion-templated poly (vinyl alcohol) (PVA) hydrogels. POLYMER, [PMID:] [10.1016/j.polymer.2015.02.002] |