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124-65-2

Supplier Related Products Identification Chemical Properties Safety Data Hazard Information Material Safety Data Sheet(MSDS) Spectrum Detail Well-known Reagent Company Product Information

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Identification

Name
Sodium cacodylate 97+
CAS
124-65-2
Synonyms
CACODYLATE BUFFER
CACODYLATE BUFFER (PH 7.4)
CACODYLIC ACID SODIUM SALT
DIMETHYLARSINIC ACID SODIUM SALT
SODIUM CACODYLATE
Sodium cacodylate 97+
SODIUM DIMETHYL ARSENATE
Sodium dimethylarsinate
((dimethylarsino)oxy)-sodiuas-oxide
((dimethylarsino)oxy)sodium-as-oxide
((dimethylarsino)oxy)sodiumas-oxide
alkarsodyl
ansar160
ansar560
arsecodile
arsicodile
arsycodile
arsysodila
bolate
bophy
EINECS(EC#)
204-708-2
Molecular Formula
C2H6AsNaO2
MDL Number
MFCD00002096
Molecular Weight
159.98
MOL File
124-65-2.mol

Chemical Properties

Appearance
Sodium 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.
Appearance
White crystalline powder
storage temp. 
Store at RT.
solubility 
H2O: 0.5 M at 20 °C, clear, colorless

Stability:
Stable.
Uses
Herbicide.
CAS DataBase Reference
124-65-2(CAS DataBase Reference)
EPA Substance Registry System
124-65-2(EPA Substance)

Safety Data

Hazard Codes 
T,N
Risk Statements 
R23/25:Toxic by inhalation and if swallowed .
R50/53:Very Toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment .
Safety Statements 
S20/21:When using, do not eat, drink or smoke .
S28:After contact with skin, wash immediately with plenty of ... (to be specified by the manufacturer) .
S45:In case of accident or if you feel unwell, seek medical advice immediately (show label where possible) .
S60:This material and/or its container must be disposed of as hazardous waste .
S61:Avoid release to the environment. Refer to special instructions safety data sheet .
RIDADR 
UN 1688 6.1/PG 2

WGK Germany 
3

RTECS 
CH7890000


3
HazardClass 
6.1(a)
PackingGroup 
II
Hazardous Substances Data
124-65-2(Hazardous Substances Data)

Hazard Information

General Description
A white crystalline or granular solid with a slight odor. Toxic by ingestion, inhalation, and skin absorption. Used as a herbicide.
Reactivity Profile
SODIUM CACODYLATE(124-65-2) 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].
Air & Water Reactions
Soluble in water.
Hazard
Toxic by inhalation and ingestion.
Health Hazard
Moderately 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.
Potential Exposure
This material has been used as a nonselective herbicide and for general weed control.
Fire Hazard
Poisoning potential is high when heated to decomposition, or on contact with acids or acid fumes, because SODIUM CACODYLATE emits highly toxic fumes of arsenic. Avoid water solution in contact with active metals (iron, aluminum, zinc).
First aid
If this chemical gets into the eyes, remove any contact lenses at once and irrigate immediately for at least 15 minutes, occasionally lifting upper and lower lids. Seek medical attention immediately. If this chemical contacts the skin, remove contaminated clothing and wash immediately with soap and water. Seek medical attention immediately. If this chemical has been inhaled, remove from exposure, begin rescue breathing (using universal precautions, including resuscitation mask) if breathing has stopped and CPR if heart action has stopped. Transfer promptly to a medical facility. When this chemical has been swallowed, get medical attention. Give large quantities of water and induce vomiting. Do not make an unconscious person vomit.
Shipping
UN1688 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
Incompatibilities
Incompatible with oxidizers, strong bases; acids, active metals (iron, aluminum, zinc). Contact with acids react to form highly toxic dimethylarsine gas. Attacks some metals.
Waste Disposal
For 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.

Material Safety Data Sheet(MSDS)

Spectrum Detail

Well-known Reagent Company Product Information

Sigma Aldrich
124-65-2(sigmaaldrich)
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