Potassium arsenate
Buy Potassium arsenate (CAS 7784-41-0) from Zemixal. Request a quote with price, lead time and documents. Packs from 25 g.
About Potassium arsenate
Potassium arsenate sits in our alkali Metal Compounds (Li, Na, K, Rb, Cs) section and ships worldwide from stock or short lead time. For your records, the material is defined by CAS 7784-41-0, formula AsH2KO4 and molar mass 180.03 g/mol. It is described as solid.
Typical applications
- Materials research
- Chemical synthesis
Safe handling
It carries the GHS signal word Danger (H301, H331, H350 and H400), so wear gloves and eye protection and work with good ventilation. For transport it ships as UN UN 1677.
Standard pack sizes are 25 g, 100 g and 500 g, and custom quantities are quoted on request. 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.
Specifications and identifiers
| Product name | Potassium arsenate |
|---|---|
| Catalogue number | ZX-013044 |
| CAS number | 7784-41-0 |
| IUPAC name | potassium dihydrogen arsorate |
| Molecular formula | AsH2KO4 |
| Molar mass | 180.03 g/mol |
| Exact mass | 179.8806 |
| Physical form | Solid |
| Appearance | Solid |
| H-bond donors / acceptors | 2 / 4 |
| Topological polar surface area | 80.6 Ų |
| HS code | 28429010 |
| UN number | UN 1677 |
| InChIKey | GVPLVOGUVQAPNJ-UHFFFAOYSA-M |
| SMILES | O[As](=O)(O)[O-].[K+] |
| PubChem CID | 516881 |
| Synonyms | Arsenic acid potassium salt, Potassium dihydrogen arsenate, Macquer's salt, Monopotassium arsenate, Potassium acid arsenate, Potassium hydrogen arsenate, Potassium dihydrogenarsenate, Potassium arsenate, monobasic, Arsenic acid, monopotassium salt, Monopotassium dihydrogen arsenate, Potassium hydrogen arsenate (KH2AsO4), Potassium dihydrogen arsenate (KH2AsO4) |
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
- H350May cause cancer
- H400Very toxic to aquatic life
- H410Very toxic to aquatic life with long lasting effects
Precautionary statements P203, P261, P264, P270, P271, P273, P280, P301 + P316, P304 + P340, P316, P318, 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
| 25 g | Quoted on request | |
| 100 g | Quoted on request | |
| 500 g | Quoted on request |
Need a different size? Bulk drums and custom packing are quoted on request through the quote form on this page.
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