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Cas Database |
| Name |
Tris(dimethylamido)antimony |
EINECS | N/A |
| CAS No. | 7289-92-1 | Density | 1.325 g/mL at 25 °C(lit.) |
| PSA | 9.72000 | LogP | 0.03690 |
| Solubility | N/A | Melting Point |
N/A |
| Formula | C6H18N3Sb | Boiling Point | 32-34 °C at 0.45 mm Hg |
| Molecular Weight | 253.979 | Flash Point | 7 °F |
| Transport Information | UN 3398 4.3/PG 1 | Appearance | Yellow liquid |
| Safety | 16-26-36/37/39-45-61 | Risk Codes | 10-14-20/22-34-51/53 |
| Molecular Structure |
|
Hazard Symbols |
 C， N
|
| Synonyms |
N,N',N''-Stibinetriyltris(N-methylmethanamine);N,N',N''-Stibantriyltris(N-methylmethanamin);N-Bis(dimethylamino)stibanyl-N-methyl-methanamine; |
Article Data | 4 |
Tris(dimethylamido)antimony Synthetic route
| Conditions | Yield |
|---|---|
| In diethyl ether under Ar; from a 1:3 stoich. react. of SbCl3 and Me2NLi in Et2O; according to A. Kiennemann et al., J. Organomet. Chem., 1972, 35, 143; purifn. by distn.; |
| Conditions | Yield |
|---|---|
| In diethyl ether under N2 or Ar, ketene passed into ethereal soln. of Sb(NMe2)3 at -20°C; after removal of solvent residue dried under reduced pressure (ca. 1E-2 Pa) for 4 h; | 98% |
| Conditions | Yield |
|---|---|
| In neat (no solvent) under N2; Al-compd. added slowly over a period of 2 h to Sb-compd. at 0°C with stirring, warmed slowly to room temp., stirred for 4 h, heated for 12 h at 120°C;; monitored by NMR, fractional distn., Al-compd. isolated by distn.;; | A 95% B 87% |
| In benzene-d6 addn. of Al-compd. to soln. of Sb-compd. in a NMR tube;; not isolated, monitored by 1H-, 13C-NMR spectroscopy;; |
| Conditions | Yield |
|---|---|
| In neat (no solvent) under N2; Al-compd. added slowly over a period of 2 h to Sb-compd. at 0°C with stirring, warmed slowly to room temp., stirred for 4 h, heated for 12 h at 120°C;; monitored by NMR, fractional distn., Al-compd. isolated by sublimation; elem. anal.;; | A 95% B 63% |
| In benzene-d6 addn. of Al-compd. to soln. of Sb-compd. in a NMR tube;; not isolated, monitored by 1H-, 13C-NMR spctroscopy;; |
- 75-24-1
trimethylaluminum
- 7289-92-1
tris(dimethylamino)stibine
A
- 22450-81-3
tetramethylbis[μ-(N-mrthylmethanaminato)]dialuminum
B
- 594-10-5
trimethylantimony
| Conditions | Yield |
|---|---|
| In neat (no solvent) under N2; Al-compd. added slowly over a period of 2 h to Sb-compd. at 0°C with stirring, warmed slowly to room temp., stirred for 4 h, heated for 12 h at 120°C;; monitored by NMR, fractional distn., Al-compd. isolated by sublimation;; | A 93% B 82% |
| In benzene-d6 addn. of Al-compd. to soln. of Sb-compd. in a NMR tube;; not isolated, monitored by 1H-, 13C-NMR spectroscopy;; |
- 1121-53-5
benzyl sodium
- 110-18-9
N,N,N,N,-tetramethylethylenediamine
- 7289-92-1
tris(dimethylamino)stibine
- 822-68-4
cyclohexylphosphine
| Conditions | Yield |
|---|---|
| In tetrahydrofuran; hexane; toluene under Ar; Sb(NMe2)3 in toluene added to chilled soln. of C6H11PH2 (1:1)in hexane; warmed to room temp.; stirred for 10 min; added to soln. prepared from PhCH2Na and CyPH2 in hexane-THF at -20°C; excess TMEDAadded; warmed to 25°C; reflux; filtered while warm; stored at -35°C; | 93% |
| Conditions | Yield |
|---|---|
| In neat (no solvent) under N2; Al-compd. added slowly over a period of 2 h to Sb-compd. at 0°C with stirring, warmed slowly to room temp., stirred for 4 h, heated for 12 h at 120°C;; monitored by NMR, fractional distn., Al-compd. isolated by distn.;; | A 91% B 83% |
| In benzene-d6 addn. of Al-compd. to soln. of Sb-compd. in a NMR tube;; not isolated, monitored by 1H-, 13C-NMR spectroscopy;; |
- 124-38-9
carbon dioxide
- 7289-92-1
tris(dimethylamino)stibine
- 473302-00-0
tris(N,N-dimethylcarbamato)antimony(III)
| Conditions | Yield |
|---|---|
| In hexane through soln. Sb(NMe2)3 in hexane CO2 was bubbled for 30 min; solvent was removed in vacuo, residue was recrystd. from toluene at -20°C; elem. anal.; | 91% |
| Conditions | Yield |
|---|---|
| In neat (no solvent) under N2; Al-compd. added slowly over a period of 2 h to Sb-compd. at 0°C with stirring, warmed slowly to room temp., stirred for 4 h, heated for 12 h at 120°C; monitored by NMR, fractional distn., Al-compd. isolated by distn.;; | A 89% B 83% |
| In benzene-d6 addn. of Al-compd. to soln. of Sb-compd. in a NMR tube; not isolated, monitored by 1H-, 13C-NMR spectroscopy;; |
- 110-54-3
hexane
- 7289-92-1
tris(dimethylamino)stibine
- 166302-06-3
5,11,17,23,29-penta-tert-butyl-31-n-benzoxy-32,33,34,35-tetrahydroxycalix<5>arene
| Conditions | Yield |
|---|---|
| In benzene (N2) soln. Sb(NMe2)3 in benzene was added dropwise to soln. t-BuC5(Bn)(H)4 in benzene and stirred for 48 h at room temp.; soln. was evapd., residue was crystd. by hexane diffusion into soln. in benzene; elem. anal.; | 89% |
Tris(dimethylamido)antimony Consensus Reports
Antimony and its compounds are on the Community Right-To-Know List.
Tris(dimethylamido)antimony Specification
The Tris(dimethylamido)antimony, with the CAS registry number 7289-92-1, is also known as N,N',N''-Stibantriyltris(N-methylmethanamin). This chemical's molecular formula is C6H18N3Sb and molecular weight is 253.99. What's more, its systematic name is N-bis(dimethylamino)stibanyl-N-methyl-methanamine. It should be sealed and stored in a cool and dry place.
When you are using this chemical, please be cautious about it as the following:
This chemical is flammable, so you should keep it away from sources of ignition - No smoking. It will react violently with water. It is toxic to aquatic organisms as it may cause long-term adverse effects in the aquatic environment. It can cause burns. In case of contact with eyes, you should rinse immediately with plenty of water and seek medical advice. When using it, you need wear suitable protective clothing, gloves and eye/face protection. In case of accident or if you feel unwell, you must seek medical advice immediately (show the label whenever possible). You should avoid releasing it to the environment just refering to special instructions / safety data sheets.
You can still convert the following datas into molecular structure:
(1)SMILES: CN(C)[Sb](N(C)C)N(C)C
(2)Std. InChI: InChI=1S/3C2H6N.Sb/c3*1-3-2;/h3*1-2H3;/q3*-1;+3
(3)Std. InChIKey: ZUSRFDBQZSPBDV-UHFFFAOYSA-N
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