Sodium cacodylate 97+

Sodium cacodylate 97+ Basic information
Product Name:Sodium cacodylate 97+
Synonyms:Sodium cacodylate: (Sodium dimethylarsinate);Oxodimethyl(sodiooxy) arsenic(V);Sodium cacodylate trihydrate,Cacodylic acid sodium salt trihydrate, Dimethylarsinic acid sodium salt, Dimethylarsonic acid sodium salt;SODIUM CACODYLATE (CACODYLIC ACID SODIUM SALT);CACODYLIC ACID SODIUM SALT 3-HYDRATE;CACODYLIC ACID NA;Sodiumcacodylatehydrate,98%;Arsinic acid, dimethyl-, sodium salt
CAS:124-65-2
MF:C2H6AsNaO2
MW:159.98
EINECS:204-708-2
Product Categories:inorganic compound;Organometallics
Mol File:124-65-2.mol
Sodium cacodylate 97+ Structure
Sodium cacodylate 97+ Chemical Properties
Melting point 200°C
Boiling point 200°C
storage temp. Store at RT.
solubility H2O: 0.5 M at 20 °C, clear, colorless
form solid
PHpH (50g/l, 25℃) : 7.5~9.5
Stability:Stable.
CAS DataBase Reference124-65-2(CAS DataBase Reference)
EPA Substance Registry SystemSodium cacodylate (124-65-2)
Safety Information
Hazard Codes T,N
Risk Statements 23/25-50/53
Safety Statements 20/21-28-45-60-61
RIDADR UN 1688 6.1/PG 2
WGK Germany 3
RTECS CH7890000
3
HazardClass 6.1(a)
PackingGroup II
Hazardous Substances Data124-65-2(Hazardous Substances Data)
Toxicitymouse,LD50,intraperitoneal,> 1gm/kg (1000mg/kg),National Technical Information Service. Vol. AD691-490,
MSDS Information
Sodium cacodylate 97+ Usage And Synthesis
Chemical PropertiesSodium cacodylate is a white crystalline solid which occurs as the trihydrate. It liquefies in the water of hydration @ 60°C and becomes anhydrous @ 120°C.
Chemical PropertiesWhite crystalline powder
UsesHerbicide.
DefinitionChEBI: The organic sodium salt of dimethylarsinate.
General DescriptionA white crystalline or granular solid with a slight odor. Toxic by ingestion, inhalation, and skin absorption. Used as a herbicide.
Air & Water ReactionsSoluble in water.
Reactivity ProfileSodium cacodylate 97+ gives basic solutions in water. Corrodes common metals, but reaction is not hazardous. [USCG, 1999]. Liquefies in its own water of crystallization when heated to 60°C; becomes anhydrous at 120°C [Merck]. Burns with a bluish flame, emitting a garlic-like odor [Merck].
HazardToxic by inhalation and ingestion.
Health HazardModerately toxic; probable oral lethal dose in humans is 0.5-5 g/kg or between 1 ounce and 1 pint (or 1 lb.) for a 70 kg (150 lb.) person. It may cause disturbances of the blood, kidneys, and nervous system.
Fire HazardPoisoning potential is high when heated to decomposition, or on contact with acids or acid fumes, because Sodium cacodylate 97+ emits highly toxic fumes of arsenic. Avoid water solution in contact with active metals (iron, aluminum, zinc).
Agricultural UsesHerbicide, Rodenticide, Defoliant, Veterinary medicine: This material has been used as a non-selective herbicide and defoliant for general weed control. Severely restricted for use in EU countries. Not registered for use in the U.S. There are 47 global suppliers
Trade nameACME® Sodium cacodylate; ALKARSODYL®; ANSAR 160®; ARSECODILE®; ARSYCODILE®; BOLLS-EYE®; CHEMAID®; DREXEL EZY-PICKIN COTTON DEFOLIANT®; DREXEL KACK HERBICIDE®; DUTCH-TREAT®; HERB-ALL®; PHYTAR 560® (with Cacodylic acid); RAD-E-CATE®; SILVISAR®
Potential ExposureThis material has been used as a nonselective herbicide and for general weed control.
ShippingUN1688 Sodium cacodylate Hazard Class: 6.1; Labels: 6.1-Poisonous materials. UN3465 Organoarsenic compound, solid, n.o.s., Hazard Class: 6.1; Labels: 6.1Poisonous materials, Technical Name Required
Purification MethodsRecrystallise it from aqueous EtOH. [Beilstein 4 H I 612.]
IncompatibilitiesIncompatible with oxidizers, strong bases; acids, active metals (iron, aluminum, zinc). Contact with acids react to form highly toxic dimethylarsine gas. Attacks some metals.
Waste DisposalFor cacodylic acid, precipitate as calcium arsenate and calcium arsenite by treatment with excess lime water. Recycle if possible. If not, put in secure storage for possible disposal in leach-proof dumps. In accordance with 40CFR165, follow recommendations for the disposal of pesticides and pesticide containers. Must be disposed properly by following package label directions or by contacting your local or federal environmental control agency, or by contacting your regional EPA office.
Sodium cacodylate 97+ Preparation Products And Raw materials
Calcium formate Pentasodium triphosphate hexhydrate Sodium tripolyphosphate Potassium thioacetate Sodium cacodylate trihydrate CACODYLIC ACID METHYLARSONIC ACID Sodium methylarsonate Sodium cacodylate 97+ Sodium Cacodylate

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