Product Name

  • Name

    Sodium cacodylate 97+

  • EINECS 204-708-2
  • CAS No. 124-65-2
  • Density
  • Solubility
  • Melting Point 60oC
  • Formula C2H7AsO2.Na
  • Boiling Point 253.1 °C at 760 mmHg
  • Molecular Weight 159.98
  • Flash Point 109.4 °C
  • Transport Information UN 1688 6.1/PG 2
  • Appearance white crystals or powder
  • Safety 20/21-28-45-60-61
  • Risk Codes 23/25-50/53
  • Molecular Structure Molecular Structure of 124-65-2 (Sodium cacodylate 97+)
  • Hazard Symbols ToxicT; DangerousN
  • Synonyms Arsineoxide, hydroxydimethyl-, sodium salt (8CI);Arsinic acid, dimethyl-, sodiumsalt (9CI);Sodium, [(dimethylarsino)oxy]-, As-oxide (7CI);Alkarsodyl;Arsecodile;Arsicodile;Arsycodile;Cacodylate sodium;Cacodylic acid sodiumsalt;Cacodylic acid sodium salt (1:1);Chemaid;Hydroxydimethylarsine oxidesodium salt;Sodium cacodylate;
  • PSA 40.13000
  • LogP 0.54920

Synthetic route

methylarsine oxide
593-58-8

methylarsine oxide

methyl iodide
74-88-4

methyl iodide

sodium cacodylate
124-65-2

sodium cacodylate

Conditions
ConditionsYield
With methanol; sodium hydroxide
diphenylantimony(V) bromide oxide
102829-02-7

diphenylantimony(V) bromide oxide

sodium cacodylate
124-65-2

sodium cacodylate

[(Sb(C6H5)2)2(O)2(O2As(CH3)2)2]
196503-04-5

[(Sb(C6H5)2)2(O)2(O2As(CH3)2)2]

Conditions
ConditionsYield
In dichloromethane reflux (24 h); filtration, removal of solvent, crystn. (CHCl3/hexane); elem. anal.;86%
molybdic acid

molybdic acid

dihydrogen peroxide
7722-84-1

dihydrogen peroxide

sodium cacodylate
124-65-2

sodium cacodylate

tetramethlyammonium chloride
75-57-0

tetramethlyammonium chloride

N(CH3)4(1+)*(MoO(O2)2)2O2As(CH3)2(1-) = [N(CH3)4][(MoO(O2)2)2O2As(CH3)2]

N(CH3)4(1+)*(MoO(O2)2)2O2As(CH3)2(1-) = [N(CH3)4][(MoO(O2)2)2O2As(CH3)2]

Conditions
ConditionsYield
In ethanol; water stirring MoO3*H2O in aq. H2O2 at 30°C until a soln. was obtained,addn. of NaO2AsMe2 in EtOH at room temp. followed by addn. of (Me4N)Cl in H2O; addn. of EtOH, cooling to 4°C, filtration, washing (cold EtOH; Et2O), drying in air; elem. anal.;85%
...Expand
thallium(III) acetate

thallium(III) acetate

sodium cacodylate
124-65-2

sodium cacodylate

tris(dimethylarsinato)thallium

tris(dimethylarsinato)thallium

Conditions
ConditionsYield
In methanol at 20℃; for 3h; Darkness;82%
sodium cacodylate
124-65-2

sodium cacodylate

μ-oxo-bis[bromotriphenylantimony(V)]
1538-64-3

μ-oxo-bis[bromotriphenylantimony(V)]

[(Sb(C6H5)3)2(O)(O2As(CH3)2)2]
196503-09-0

[(Sb(C6H5)3)2(O)(O2As(CH3)2)2]

Conditions
ConditionsYield
In dichloromethane reflux (20 h); filtration, removal of solvent (vac.), dissoln. (CHCl3), diffusion of hexane into the soln.; elem. anal.;74%
molybdic acid

molybdic acid

tetrabutyl-ammonium chloride
1112-67-0

tetrabutyl-ammonium chloride

dihydrogen peroxide
7722-84-1

dihydrogen peroxide

sodium cacodylate
124-65-2

sodium cacodylate

N(C4H9)4(1+)*(MoO(O2)2)2O2As(CH3)2(1-) = [N(C4H9)4][(MoO(O2)2)2O2As(CH3)2]

N(C4H9)4(1+)*(MoO(O2)2)2O2As(CH3)2(1-) = [N(C4H9)4][(MoO(O2)2)2O2As(CH3)2]

Conditions
ConditionsYield
In ethanol; water stirring MoO3*H2O in aq. H2O2 at 30°C until a soln. was obtained,addn. of NaO2AsMe2 in EtOH at room temp. followed by addn. of (n-Bu4N)C l in H2O; addn. of EtOH, cooling to 4°C, filtration, washing (cold EtOH; Et2O), drying in air; elem. anal.;60%
...Expand
zinc perchlorate

zinc perchlorate

sodium cacodylate
124-65-2

sodium cacodylate

N,N-bis[2-(4,5-dimethyl)benzimidazolylmethyl]-N',N'-bis(2-pyridylmethyl)-1,3-diamino-2-propanol
452295-73-7

N,N-bis[2-(4,5-dimethyl)benzimidazolylmethyl]-N',N'-bis(2-pyridylmethyl)-1,3-diamino-2-propanol

[[Zn2(N,N-bis[(5,6-dimethyl)benzimidazolylmethyl]-N',N'-bis(2-pyridylmethyl)-1,3-diamino-2-propanolate](O2AsMe2)](ClO4)2*H2O

[[Zn2(N,N-bis[(5,6-dimethyl)benzimidazolylmethyl]-N',N'-bis(2-pyridylmethyl)-1,3-diamino-2-propanolate](O2AsMe2)](ClO4)2*H2O

Conditions
ConditionsYield
In water; acetonitrile 2 equiv. of aq. Zn-salt soln. and 1 equiv. of aq. As-compd. soln. were added to MeCN soln. of N-base; crystn. by diffusion of Et2O into the soln. for 4 d, elem. anal.;55%
...Expand
water
7732-18-5

water

palladium diacetate
3375-31-3

palladium diacetate

sodium cacodylate
124-65-2

sodium cacodylate

Pd16O24(OH)8(24-)*8C2H6As(3+)*1.25Na(1+)*0.25C2H3O2(1-)*C2H6AsO2(1-)*19H2O

Pd16O24(OH)8(24-)*8C2H6As(3+)*1.25Na(1+)*0.25C2H3O2(1-)*C2H6AsO2(1-)*19H2O

Conditions
ConditionsYield
Stage #1: palladium diacetate; sodium cacodylate In aq. buffer at 20℃; for 48h; pH=7;
Stage #2: water		3%
...Expand
sodium cacodylate
124-65-2

sodium cacodylate

Dimethyldiselenoarsinsaeure

Dimethyldiselenoarsinsaeure

Conditions
ConditionsYield
With hydrogen selenide In ethanol
sodium cacodylate
124-65-2

sodium cacodylate

sulfur dioxide

sulfur dioxide

bis-{dimethylarsenic}-oxide
503-80-0

bis-{dimethylarsenic}-oxide

GLUTATHIONE
70-18-8

GLUTATHIONE

sodium cacodylate
124-65-2

sodium cacodylate

Darinaparsin

Darinaparsin

Conditions
ConditionsYield
In water at 37℃; for 1h;
chromium(III) nitrate hexahydrate

chromium(III) nitrate hexahydrate

sodium cacodylate
124-65-2

sodium cacodylate

{Cr(CH3)2AsO2(H2O)(n)}(2+)

{Cr(CH3)2AsO2(H2O)(n)}(2+)

Conditions
ConditionsYield
In water formation in aq. soln. of (Cr(H2O)6)(NO3)3 and Na cacodylate (molar ratio 1:1);; not isolated;;
chromium(III) nitrate hexahydrate

chromium(III) nitrate hexahydrate

sodium cacodylate
124-65-2

sodium cacodylate

{Cr((CH3)2AsO2)2(H2O)(m)}(1+)

{Cr((CH3)2AsO2)2(H2O)(m)}(1+)

Conditions
ConditionsYield
In water formation in aq. soln. of (Cr(H2O)6)(NO3)3 and Na-cacodylate (molar ratio 1:2);; not isolated;;
trimethylaluminum
75-24-1

trimethylaluminum

sodium cacodylate
124-65-2

sodium cacodylate

2As(CH3)4(1+)*[(CH3)2AlOAl(CH3)3]2(2-)=[As(CH3)4]2[(CH3)2AlOAl(CH3)3]2

2As(CH3)4(1+)*[(CH3)2AlOAl(CH3)3]2(2-)=[As(CH3)4]2[(CH3)2AlOAl(CH3)3]2

Conditions
ConditionsYield
In benzene room temp.; crystn. (several weeks);
methanol
67-56-1

methanol

iron(III) perchlorate nonahydrate

iron(III) perchlorate nonahydrate

N,N,N',N'-tetrakis(2-benzimidazolylmethyl)-1,3-diamino-2-propanol

N,N,N',N'-tetrakis(2-benzimidazolylmethyl)-1,3-diamino-2-propanol

sodium cacodylate
124-65-2

sodium cacodylate

[Fe2(N,N,N',N'-tetrakis(2-benzimidazolylmethyl)-1,3-diamino-2-propanolate)(μ-dimethylarsinato)(methanolate)(methanol)](ClO4)3*5methanol*2H2O

[Fe2(N,N,N',N'-tetrakis(2-benzimidazolylmethyl)-1,3-diamino-2-propanolate)(μ-dimethylarsinato)(methanolate)(methanol)](ClO4)3*5methanol*2H2O

Conditions
ConditionsYield
In methanol; ethanol elem. anal.;
...Expand
methanol
67-56-1

methanol

iron(III) perchlorate nonahydrate

iron(III) perchlorate nonahydrate

sodium cacodylate
124-65-2

sodium cacodylate

iron(III) chloride
7705-08-0

iron(III) chloride

N,N,N′,N′-tetrakis(2-benzimidazolylmethyl)-2-hydroxo-1,3-diaminopropane
83144-89-2

N,N,N′,N′-tetrakis(2-benzimidazolylmethyl)-2-hydroxo-1,3-diaminopropane

(C7N2H5CH2)2NCH2CH(O)CH2N(CH2C7N2H5)2Fe2Cl(H2O)O2As(CH3)2(3+)*3ClO4(1-)*5CH3OH*H2O

(C7N2H5CH2)2NCH2CH(O)CH2N(CH2C7N2H5)2Fe2Cl(H2O)O2As(CH3)2(3+)*3ClO4(1-)*5CH3OH*H2O

Conditions
ConditionsYield
In methanol; acetonitrile
...Expand
iron(III) perchlorate nonahydrate

iron(III) perchlorate nonahydrate

N-methyl-N,N',N'-tris(2-benzimidazolylmethyl)-2-hydroxy-1,3-diaminopropane
177778-43-7

N-methyl-N,N',N'-tris(2-benzimidazolylmethyl)-2-hydroxy-1,3-diaminopropane

sodium cacodylate
124-65-2

sodium cacodylate

iron(III) chloride
7705-08-0

iron(III) chloride

[Fe2(C28H30N8O)(O2As(CH3)2)Cl2(CH3OH)](2+)*2ClO4(1-)*4CH3OH=[Fe2(C28H30N8O)(O2As(CH3)2)Cl2(CH3OH)](ClO4)2*4CH3OH

[Fe2(C28H30N8O)(O2As(CH3)2)Cl2(CH3OH)](2+)*2ClO4(1-)*4CH3OH=[Fe2(C28H30N8O)(O2As(CH3)2)Cl2(CH3OH)](ClO4)2*4CH3OH

Conditions
ConditionsYield
In methanol equimolar amts. of perchlorate, chloride and arsinate; crystn. (several days);
...Expand
sodium molybdate dihydrate
7631-95-0

sodium molybdate dihydrate

cesium chloride

cesium chloride

sodium cacodylate
124-65-2

sodium cacodylate

2Cs(1+)*H(1+)*(CH3)2AsMo4O15(3-)=Cs2((CH3)2AsMo4O15H)

2Cs(1+)*H(1+)*(CH3)2AsMo4O15(3-)=Cs2((CH3)2AsMo4O15H)

Conditions
ConditionsYield
With perchloric acid In water aq. solns. of Me2AsO2Na and Na2MoO4*2H2O mixed; pH ajusted to 4.0 by adnn. of HClO4; aq. soln. of CsCl added; ppt. filtered off, washed with cold H2O, dried in air; elem. anal.;
...Expand
sodium molybdate dihydrate
7631-95-0

sodium molybdate dihydrate

sodium cacodylate
124-65-2

sodium cacodylate

2Na(1+)*H(1+)*(CH3)2AsMo4O15(3-)=Na2((CH3)2AsMo4O15H)

2Na(1+)*H(1+)*(CH3)2AsMo4O15(3-)=Na2((CH3)2AsMo4O15H)

Conditions
ConditionsYield
With perchloric acid In water aq. solns. of Me2AsO2Na and Na2MoO4*2H2O mixed, pH adjusted to 4.0 by addn. of HClO4; concd.; ppt. isolated;
methanol
67-56-1

methanol

sodium cacodylate
124-65-2

sodium cacodylate

diphenyltin(IV) dichloride
1135-99-5

diphenyltin(IV) dichloride

[Ph(Cl)Sn(O2AsMe2)(μ-OMe)]2
1140968-31-5

[Ph(Cl)Sn(O2AsMe2)(μ-OMe)]2

Conditions
ConditionsYield
In methanol byproducts: NaCl, C6H6; 1 equiv. of As-compd. in MeOH added to soln. of Sn-compd. in MeOH at ambient temp.; soln. filtered after a week, filtrate stored in an open flask at ambienttemp. for 9 d, crystals filtered off;
...Expand

Sodium dimethylarsinate Consensus Reports

Arsenic and its compounds are on the Community Right-To-Know List. EPA Extremely Hazardous Substances List. Reported in EPA TSCA Inventory.

Sodium dimethylarsinate Standards and Recommendations

OSHA PEL: TWA 0.5 mg(As)/m3
ACGIH TLV: BEI: 35 μ (As)/L inorganic arsenic and methylated metabolites in urine
DOT Classification:  6.1; Label: Poison

Sodium dimethylarsinate Specification

The CAS registry number of Hydroxydimethylarsine oxide, sodium salt is 124-65-2. Its EINECS registry number is 204-708-2. The IUPAC name is sodium dimethylarsinate. In addition, the molecular formula is C2H7AsO2.Na. What's more, it is an arsenical that has been used as a dermatologic agent and as an herbicide. And it should be stored in a cool and dry place.

Physical properties about Hydroxydimethylarsine oxide, sodium salt are: (1)ACD/LogP: -1.62; (2)# of Rule of 5 Violations: 0; (3)ACD/LogD (pH 5.5): -1.69; (4)ACD/LogD (pH 7.4): -2.76; (5)ACD/BCF (pH 5.5): 1; (6)ACD/BCF (pH 7.4): 1; (7)ACD/KOC (pH 5.5): 2.69; (8)ACD/KOC (pH 7.4): 1; (9)#H bond acceptors: 2; (10)#H bond donors: 1; (11)#Freely Rotating Bonds: 0; (12)Polar Surface Area: 37.3 Å2; (13)Flash Point: 109.4 °C; (14)Enthalpy of Vaporization: 56.98 kJ/mol; (15)Boiling Point: 253.1 °C at 760 mmHg; (16)Vapour Pressure: 0.00288 mmHg at 25°C.

When you are using this chemical, please be cautious about it as the following:
This chemical is toxic by inhalation and if swallowed. And it is very toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment. During using it, you can not eat, drink or smoke. If contact it with skin, wash it immediately with plenty of ... (to be specified by the manufacturer). In addition, in case of accident or if you feel unwell, seek medical advice immediately (show label where possible). What's more, this material and/or its container must be disposed of as hazardous waste. You should avoid release to the environment and you can refer to special instructions safety data sheet.

You can still convert the following datas into molecular structure:
(1)SMILES: [Na+].[O-][As](=O)(C)C
(2)InChI: InChI=1/C2H7AsO2.Na/c1-3(2,4)5;/h1-2H3,(H,4,5);/q;+1/p-1
(3)InChIKey: IHQKEDIOMGYHEB-REWHXWOFAN

The toxicity data is as follows:

Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
mouse LD50 intraperitoneal > 1gm/kg (1000mg/kg)   National Technical Information Service. Vol. AD691-490,
mouse LD50 oral 4mg/kg (4mg/kg)   Compilation of LD50 Values of New Drugs.
rat LD50 oral 2600mg/kg (2600mg/kg)   Guide to the Chemicals Used in Crop Protection. Vol. 6, Pg. 70, 1973.

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