| Identification | More | [Name]
Dimethylphenylsilane | [CAS]
766-77-8 | [Synonyms]
ACETATE BUFFER
ACETATE BUFFER, PH 3.5
ACETATE BUFFER, PH 4.0
ACETATE BUFFER, PH 4.5
ACETATE BUFFER, PH 6.0
ACETATE BUFFER REAGENT
ACETATE BUFFER SOLUTION R-455
ACETATE BUFFER SOLUTION TYPE 'C'
ACETATE BUFFER TS
ACETIC ACID-SODIUM ACETATE
BUFFER ACETATE
BUFFER ACETATE, PH 4.00
BUFFER, PH 4.63
BUFFER PH 4.65
BUFFER PH7.20
BUFFER SOLUTION
BUFFER SOLUTION (ACETATE), PH 4.00
BUFFER SOLUTION (ACETATE), PH 4.0-4.5
BUFFER SOLUTION, PH 4.0, ACETATE
BUFFER SOLUTION, PH 4.63 | [EINECS(EC#)]
212-170-5 | [Molecular Formula]
C4H7NaO4 | [MDL Number]
MFCD00137248 | [Molecular Weight]
142.09 | [MOL File]
766-77-8.mol |
| Questions And Answer | Back Directory | [Synthesis]
A solution of dichlorodimethylsilane (5 g, 38.5 mmol) in dry ether (20 mL) was added dropwise at 0 °C under argon atmosphere to a stirred solution of magnesium phenyl bromide (prepared from bromobenzene) (6.55 g, 42 mmol) and magnesium (1.0 g, 42 mol) in dry diethyl ether (30 mL). The solution was then refluxed for 24 hours and cooled to room temperature. Pentane (40 mL) was added and the solution was filtered. The solvent was evaporated under vacuum at a temperature below 40 °C, and the product was distilled under reduced pressure to give Dimethylphenylsilane.
|
| Chemical Properties | Back Directory | [Appearance]
Clear colorless liquid | [Melting point ]
323-329 °C(lit.) | [Boiling point ]
157 °C744 mm Hg(lit.) | [density ]
0.889 g/mL at 25 °C(lit.)
| [refractive index ]
n20/D 1.497(lit.)
| [Fp ]
95 °F
| [storage temp. ]
2-8°C
| [solubility ]
sol common organic solvent such as chloroform, 1,2-
dichloroethane, benzene, ether, acetone, dioxane, THF; insol
H2O. | [form ]
solid
| [color ]
Colorless to Almost colorless | [Specific Gravity]
0.889 | [Water Solubility ]
Not miscible in water. | [Hydrolytic Sensitivity]
3: reacts with aqueous base | [BRN ]
2204906 | [InChI]
1S/C8H12Si/c1-9(2)8-6-4-3-5-7-8/h3-7,9H,1-2H3 | [InChIKey]
ZISUALSZTAEPJH-UHFFFAOYSA-N | [SMILES]
C[SiH](C)c1ccccc1 | [CAS DataBase Reference]
766-77-8(CAS DataBase Reference) | [EPA Substance Registry System]
Silane, dimethylphenyl- (766-77-8) |
| Safety Data | Back Directory | [Symbol(GHS) ]
GHS02 | [Signal word ]
Warning | [Hazard statements ]
H226 | [Precautionary statements ]
P210-P233-P240-P241-P242-P243 | [Hazard Codes ]
Xi | [Risk Statements ]
R10:Flammable.
R36:Irritating to the eyes. | [Safety Statements ]
S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice .
S36/39:Wear suitable protective clothing and eye/face protection . | [RIDADR ]
UN 1993 3/PG 3
| [WGK Germany ]
1
| [RTECS ]
AJ4375000
| [TSCA ]
Yes | [HazardClass ]
3 | [PackingGroup ]
III | [HS Code ]
29319090 | [Storage Class]
3 - Flammable liquids | [Hazard Classifications]
Flam. Liq. 3 |
| Hazard Information | Back Directory | [Chemical Properties]
Clear colorless liquid | [Physical properties]
bp 157 °C/744 mmHg; d 0.889 g cm?3. | [Uses]
Reagent for enol ether synthesis. | [Uses]
Diastereoselective Reduction of Carbonyl Compounds.
Hydrosilylation. With a transition metal catalyst, the
hydrosilane adds to carbon–carbon double or triple bonds to
give alkylsilanes or alkenylsilanes.
Hydrosilylating reagent; reductant in combination with acid
or F?). | [Uses]
Dimethylphenylsilane is a reagent for enol ether synthesis. It acts as a catalyst. Also used as a precursor in Optical Emission Spectroscopy of Plasma Deposition Processes. It can react with vinylbenzene to produce (b-Phenyl-ethyl)-dimethylphenyl-silan. | [Application]
Used to reduce α-amino ketones to aminoethanols withhigh stereoselectivity. Used in the fluoride ion-catalyzedreduction of aldehydes and ketones, and α-substitutedalkanones to threo products. Erythro reduction of α-substituted alkanones to diols and aminoethanols. Together with CuCl reduces aryl ketones, but not dialkylketones. Used in the silylformylation of acetylenes.Excellent reducing agent for the reduction of enones tosaturated ketones. Shows better selectivity than LAH inthe reduction of oximes to alkoxyamines. |
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