Potassium Arsenite
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Product | Product Code | ORDER | SAFETY DATA | Technical data |
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Potassium Arsenite | K-ASIT-01-C | Pricing Add to cart only | SDS > | Data Sheet > |
Potassium Arsenite Properties (Theoretical)
Compound Formula | KAsO2 |
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Molecular Weight | 146.109 |
Appearance | White to off-white powder, crystals, or chunks |
Melting Point | ~300 °C (decomposes) |
Boiling Point | N/A |
Density | 8.76 g/cm3 |
Solubility in H2O | N/A |
Exact Mass | 145.87513 g/mol |
Monoisotopic Mass | 145.87513 g/mol |
Crystal Phase / Structure | Orthorhombic |
Potassium Arsenite Health & Safety Information
Signal Word | Danger |
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Hazard Statements | H301-H331-H410 |
Hazard Codes | T, N |
Precautionary Statements | P261-P273-P301+P310-P311-P501 |
Risk Codes | R23/25-R50/53 |
Safety Statements | S(1/2)-S20/21-S28-S45-S60-S61 |
Transport Information | UN 1557 6.1/PG II |
GHS Pictogram |
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About Potassium Arsenite
Synonyms
Potassium arsonate, Potassium metaarsenite, potassium meta-arsenite, Arsenenous acid potassium salt, Arsenious acid potassium salt, UNII-BM2U42PAKI, potassium orthoarsenite (Ortho - AsK<sub>3</sub>O<sub>3</sub>, CAS 13464-35-2, EC 236-680-2, MFCD01941643)
Chemical Identifiers
Linear Formula | KAsO2 |
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Pubchem CID | 23668346 |
MDL Number | MFCD01780194 |
EC No. | 233-337-9 |
IUPAC Name | potassium; oxoarsinite |
Beilstein/Reaxys No. | |
SMILES | [O-][As]=O.[K+] |
InchI Identifier | InChI=1S/AsHO2.K/c2-1-3;/h(H,2,3);/q;+1/p-1 |
InchI Key | HEQWEGCSZXMIJQ-UHFFFAOYSA-M |
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Packaging Specifications
Typical bulk packaging includes palletized plastic 5 gallon/25 kg. pails, fiber and steel drums to 1 ton super sacks in full container (FCL) or truck load (T/L) quantities. Research and sample quantities and hygroscopic, oxidizing or other air sensitive materials may be packaged under argon or vacuum. Shipping documentation includes a Certificate of Analysis and Safety Data Sheet (SDS). Solutions are packaged in polypropylene, plastic or glass jars up to palletized 440 gallon liquid totes, and 36,000 lb. tanker trucks.
Related Elements
See more Arsenic products. Arsenic (atomic symbol: As, atomic number: 33) is a Block P, Group 15, Period 4 element with an atomic radius of 74.92160. The number of electrons in each of arsenic's shells is 2, 8, 18, 5 and its electron configuration is [Ar] 3d10 4s2 4p3. The arsenic atom has a radius of 119 pm and a Van der Waals radius of 185 pm. Arsenic was discovered in the early Bronze Age, circa 2500 BC. It was first isolated by Albertus Magnus in 1250 AD. In its elemental form, arsenic is a metallic grey, brittle, crystalline, semimetallic solid.
Arsenic is found in numerous minerals including arsenolite (As2O3), arsenopyrite (FeAsS), loellingite (FeAs2), orpiment (As2S3), and realgar (As4S4). Arsenic has numerous applications as a semiconductor and other electronic applications as indium arsenide, silicon arsenide and tin arsenide. Arsenic is finding increasing uses as a doping agent in solid-state devices such as transistors.
See more Potassium products. Potassium (atomic symbol: K, atomic number: 19) is a Block S, Group 1, Period 4 element with an atomic weight of 39.0983. The number of electrons in each of Potassium's shells is [2, 8, 8, 1] and its electron configuration is [Ar] 4s1. The potassium atom has a radius of 227.2 pm and a Van der Waals radius of 275 pm. Potassium was discovered and first isolated by Sir Humphrey Davy in 1807. Potassium is the seventh most abundant element on earth. It is one of the most reactive and electropositive of all metals and rapidly oxidizes. As with other alkali metals, potassium decomposes in water with the evolution of hydrogen because of its reacts violently with water, it only occurs in nature in ionic salts.
In its elemental form, potassium has a silvery gray metallic appearance, but its compounds (such as potassium hydroxide) are more frequently used in industrial and chemical applications. The origin of the element's name comes from the English word 'potash,' meaning pot ashes, and the Arabic word qali, which means alkali. The symbol K originates from the Latin word kalium.
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