| Identification | Back Directory | [Name]
Potassium trimethylsilanolate | [CAS]
10519-96-7 | [Synonyms]
DK457
Potassium trimethyL
Carazolol Impurity 3
Trimethylsiloxypotassium
Potassium methyl silicate
Potassiooxytrimethylsilane
Potassium Trimethylsiloxide
Potassium trimethylsilanoate
Potassium Trimethyl Silonate
Trimethyl(potassiooxy)silane
(Potassiooxy)trimethylsilane
(Trimethylsilyloxy) potassium
trimethyl-silanopotassiumsalt
POTASSIUM TRIMETHYLSILANOLATE
Potassium Trimethylsilyloxide
TRIMETHYLSILANOL POTASSIUM SALT
PotassiuM triMethyl silanolate LR grade
POTASSIUM TRIMETHYLSILANOLATE, TECH., 90 %
Silanol,1,1,1-trimethyl-, potassium salt (1:1)
PotassiuM triMethylsilanolate, 2 M solution in THF
PotassiuM triMethylsilanolate 90%, technical grade
potassium trimethylsilanolate,2M in tetrahydrofuran
PotassiuM triMethylsilanolate, 2M solution in THF, AcroSeal
Potassium trimethylsilanolate, 2 M solution in THF, J&KSeal
Potassium trimethylsilanolate,Trimethylsilanol potassium salt
potassium trimethylsilanolate, 2m in tetrahydrofuran (26-29 wt %) | [EINECS(EC#)]
234-062-7 | [Molecular Formula]
C3H9KOSi | [MDL Number]
MFCD00013421 | [MOL File]
10519-96-7.mol | [Molecular Weight]
128.29 |
| Chemical Properties | Back Directory | [Melting point ]
135-138 °C(lit.)
| [density ]
0.91 | [Fp ]
-14°C (7°F) | [storage temp. ]
Inert atmosphere,Room Temperature | [solubility ]
DMSO (Springly), Methanol (Slightly) | [form ]
powder | [color ]
White | [Specific Gravity]
0.91 | [Hydrolytic Sensitivity]
7: reacts slowly with moisture/water | [BRN ]
3560282 | [InChI]
InChI=1S/C3H9OSi.K/c1-5(2,3)4;/h1-3H3;/q-1;+1 | [InChIKey]
LBKJNHPKYFYCLL-UHFFFAOYSA-N | [SMILES]
[Si]([O-])(C)(C)C.[K+] | [EPA Substance Registry System]
Silanol, trimethyl-, potassium salt(10519-96-7) |
| Hazard Information | Back Directory | [Chemical Properties]
Potassium trimethylsilanolate is a white solid with slight odor, decomposes above 134 °C.
| [Uses]
Potassium trimethylsilanolate can be used as a reagent in the:
- Hydrolysis of nitriles to primary amides.
- Conversion of esters to carboxylic acids, and dialkyl phosphonates to their monoalkyl phosphonates.
- Synthesis of E-alkenes, and nitrocefin.
It can also be used as a coupling promoter in cross-coupling reaction of aliphatic alkynylsilanols with aryl iodides. | [Production Methods]
109 kg of hexamethyldichlorosilane was put into a stirring kettle, and nitrogen was introduced at a flow rate of 1 L/min for 0.5 h while stirring. 56 kg of potassium hydroxide was added while stirring. After returning water at 100° C. for 10 h, the material was discharged into a centrifugal spray drying oven and centrifuged and spray-dried at 3000 rpm and 100° C. for 5 h to obtain white crystalline potassium trimethylsilanol with a purity of 99.99%.
| [Solubility in organics]
Potassium trimethylsilanolate is solubility in tetrahydrofuran, diethyl ether, toluene, dichloromethane, alcohols, and most other organic solvents. | [Purification Methods]
Recrystallise it from H2O and dry it at 100o/1-2mm. [Hyde et al. J Am Chem Soc 75 5615 1953, IR: Tatlock & Rochow J Org Chem 17 1555 1952, Beilstein 4 IV 3992.] | [References]
[1] C. A., 1949, p. 7500
[2] Journal of the American Chemical Society,
[3] Journal of the American Chemical Society, 1953, vol. 75, p. 5615 - 5618
[4] , Gmelin Handbook: Si: MVol.C, 84, page 231 - 233,
[5] Patent: US2472799, 1946, |
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