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7784-41-0

7784-41-0 structural image
Product Name: POTASSIUM ARSENATE
Formula: AsH2KO4
Synonyms: Arsenic acid potassium salt;Potassium dihydrogen arsenate
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CHEMICAL AND PHYSICAL PROPERTIES

Physical Description Potassium arsenate appears as a colorless crystalline solid. Soluble in water and denser than water. Toxic by ingestion and inhalation. An irritant.
Color/Form Colorless crystals or white, crystalline mass or powder
Odor Odorless
Melting Point 550 °F (USCG, 1999)
Solubility Sol in 5.5 parts cold water. Very soluble in hot water.
Density 2.8 at 68 °F (USCG, 1999) - Denser than water; will sink
Decomposition When heated to decomposition it emits toxic fumes of arsenic.
Refractive Index Index of refraction: 1.518
Other Experimental Properties Heat of solution: 49 BTU/lb= 27 cal/g= 1.1 X 10+5 J/kg
Chemical Classes Metals -> Arsenic Compounds, Inorganic

SAFETY INFORMATION

Signal word Danger
Pictogram(s)

Skull and Crossbones
Acute Toxicity
GHS06

Health Hazard
GHS08

Environment
GHS09
GHS Hazard Statements H301:Acute toxicity,oral
H331:Acute toxicity,inhalation
H350:Carcinogenicity
H410:Hazardous to the aquatic environment, long-term hazard
Precautionary Statement Codes P201:Obtain special instructions before use.
P261:Avoid breathing dust/fume/gas/mist/vapours/spray.
P273:Avoid release to the environment.
P311:Call a POISON CENTER or doctor/physician.
P301+P310:IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician.
P501:Dispose of contents/container to..…

COMPUTED DESCRIPTORS

Molecular Weight 180.033 g/mol
Hydrogen Bond Donor Count 2
Hydrogen Bond Acceptor Count 4
Rotatable Bond Count 0
Exact Mass 179.880610 g/mol
Monoisotopic Mass 179.880610 g/mol
Topological Polar Surface Area 80.6 Ų
Heavy Atom Count 6
Formal Charge 0
Complexity 61.9
Isotope Atom Count 0
Defined Atom Stereocenter Count 0
Undefined Atom Stereocenter Count 0
Defined Bond Stereocenter Count 0
Undefined Bond Stereocenter Count 0
Covalently-Bonded Unit Count 2
Compound Is Canonicalized Yes

PRODUCT INTRODUCTION

description

Potassium arsenate appears as a colorless crystalline solid. Soluble in water and denser than water. Toxic by ingestion and inhalation. An irritant.