Identification | More | [Name]
Sodium cacodylate trihydrate | [CAS]
6131-99-3 | [Synonyms]
CACODYLIC ACID NA-SALT 3H2O CACODYLIC ACID, SODIUM SALT CACODYLIC ACID SODIUM SALT HYDRATE CACODYLIC ACID SODIUM SALT TRIHYDRATE DIMETHYLARSENIC ACID SODIUM SALT HYDRATE DIMETHYLARSINIC ACID SODIUM SALT DIMETHYLARSINIC ACID SODIUM SALT TRIHYDRATE HYDROXYDIMETHYLARSINE OXIDE SODIUM SALT TRIHYDRATE KACODYLIC ACID SODIUM SALT TRIHYDRATE SODIUM CACODYLATE SODIUM CACODYLATE 3H2O SODIUM CACODYLATE TRIHYDRATE SODIUM DIMETHYL ARSENATE, TRIHYDRATE Arsineoxide,hydroxydimethyl-,sodiumsalt,trihydrate Dimethylarsenicacidsodiumsalttrihydrate Sodiumdimethylarsinicacidtrihydrate Dimethylarsonic acid sodium salt CACODYLIC ACID SODIUM CRYST CACODYLIC ACID SODIUM SIGMAULTRA CacodylicAcid,SodiumSaltTrihydrate98% | [EINECS(EC#)]
204-708-2 | [Molecular Formula]
C2H12AsNaO5 | [MDL Number]
MFCD00149079 | [Molecular Weight]
214.03 | [MOL File]
6131-99-3.mol |
Chemical Properties | Back Directory | [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. | [Melting point ]
77-80 °C | [storage temp. ]
room temp | [solubility ]
H2O: 0.5 M at 20 °C, clear, colorless
| [form ]
Solid | [color ]
White | [PH]
9.0-9.5 (100g/l, H2O, 20℃) | [Water Solubility ]
Soluble in water and alcohol. Insoluble in diethyl ether. | [Merck ]
14,8595 | [BRN ]
3702348 | [CAS DataBase Reference]
6131-99-3(CAS DataBase Reference) |
Safety Data | Back Directory | [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
| [F ]
3 | [TSCA ]
Yes | [HazardClass ]
6.1 | [PackingGroup ]
II | [HS Code ]
29319090 |
Hazard Information | Back Directory | [Potential Exposure]
This material has been used as a nonselective herbicide and for general weed control. | [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 a slurry of activated charcoal in water to drink and induce vomiting. Do not make an unconscious person vomit. Obtain authorization and/or further instructions from the local hospital for administration of an antidote or performance of other invasive procedures. Rush to health care facility. | [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. | [Chemical Properties]
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. | [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. | [Uses]
Sodium cacodylate trihydrate has been used as a buffer to fix cells for transmission electron microscopy and as a buffer to fix cells for scanning electron microscopy. | [Uses]
Sodium cacodylate trihydrate has been used in the stabilization of the fixatives for electron microscopy. It has also been used to collect vibratome sections to perform nucleoside-diphosphatase technique. | [Biological Functions]
Cacodylic acid sodium salt is used as a buffer (pH buffering range of 5.1 - 7.4), especially for bactericidal buffers used in electron microscopy. The buffering capacity of cacodylate prevents excess acidity that may result from tissue fixation. It is also used in protein crystallisation. | [General Description]
Sodium cacodylate is an organic arsenic compound that is metabolized to produce inorganic, trivalent arsenicin vivo. Sodium cacodylate has been used as a source of arsenic in toxicological research. It is used as a buffer with an effective pH buffering range of 5.1-7.4. In microscopy studies, the buffering capacity of cacodylate prevents excess acidity that may result from tissue fixation. | [storage]
Store at -20°C |
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Alfa Aesar
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Energy Chemical
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