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7784-46-5

7784-46-5 structural image
Product Name: Sodium m-arsenite
Formula: AsO2.Na
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CHEMICAL AND PHYSICAL PROPERTIES

Physical Description Sodium arsenite, aqueous solution appears as an aqueous solution of a solid. Toxic by ingestion, inhalation or skin absorption. Used as an antiseptic, in insecticides and herbicides, to preserve hides and in making dyes.
Color/Form White or grayish-white powder
Taste SALTY TASTE
Melting Point 615 °C
Solubility Very soluble (NTP, 1992)
Density 1.87 at 68 °F (NTP, 1992) - Denser than water; will sink
Stability/Shelf Life SLOWLY CONVERTED IN SOLN TO ARSENATES BY ATMOSPHERIC OXYGEN; IN DRY STATE DECOMP BY ATMOSPHERIC CO2. /ARSENITES OF ALKALI METALS/
Decomposition When heated to decomposition it emits toxic fumes of /arsenic and disodium oxide/.
Other Experimental Properties Somewhat hygroscopic; absorbs CO2 from air
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 H350:Carcinogenicity
H410:Hazardous to the aquatic environment, long-term hazard
Precautionary Statement Codes P201:Obtain special instructions before use.
P202:Do not handle until all safety precautions have been read and understood.
P261:Avoid breathing dust/fume/gas/mist/vapours/spray.
P273:Avoid release to the environment.
P301+P310:IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician.

COMPUTED DESCRIPTORS

Molecular Weight 129.910 g/mol
Hydrogen Bond Donor Count 0
Hydrogen Bond Acceptor Count 2
Rotatable Bond Count 0
Exact Mass 129.901193 g/mol
Monoisotopic Mass 129.901193 g/mol
Topological Polar Surface Area 40.1 Ų
Heavy Atom Count 4
Formal Charge 0
Complexity 13.5
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

Sodium arsenite, aqueous solution appears as an aqueous solution of a solid. Toxic by ingestion, inhalation or skin absorption. Used as an antiseptic, in insecticides and herbicides, to preserve hides and in making dyes.