Diphenylsilane
- Product Name
- Diphenylsilane
- CAS No.
- 775-12-2
- Chemical Name
- Diphenylsilane
- Synonyms
- DK904;TSL8224;DIPHENYLSILANE;diphenyl-silan;iphenylsilicon;Silane,diphenyl-;Diphenylsilane>Diphenylsilane,99%;Diphenylsilane,97%;Diphenylsilane,min.97%
- CBNumber
- CB5698855
- Molecular Formula
- C12H12Si
- Formula Weight
- 184.31
- MOL File
- 775-12-2.mol
Diphenylsilane Property
- Melting point:
- <20°C
- Boiling point:
- 95-97 °C/13 mmHg (lit.)
- Density
- 0.993 g/mL at 25 °C (lit.)
- refractive index
- n20/D 1.579(lit.)
- Flash point:
- 209 °F
- storage temp.
- Inert atmosphere,2-8°C
- form
- liquid
- Specific Gravity
- 1
- color
- colorless
- Water Solubility
- Decomposes in water.
- Hydrolytic Sensitivity
- 3: reacts with aqueous base
- Sensitive
- Air & Moisture Sensitive
- BRN
- 2935887
- InChIKey
- VDCSGNNYCFPWFK-UHFFFAOYSA-N
- CAS DataBase Reference
- 775-12-2(CAS DataBase Reference)
- NIST Chemistry Reference
- Silane, diphenyl-(775-12-2)
- EPA Substance Registry System
- Silane, diphenyl- (775-12-2)
Safety
- Hazard Codes
- Xi
- Risk Statements
- 38-36/37/38
- Safety Statements
- 37/39-26
- WGK Germany
- 1
- F
- 10-21
- TSCA
- Yes
- HS Code
- 29310095
Hazard and Precautionary Statements (GHS)
- Symbol(GHS)
-
- Signal word
- Warning
- Hazard statements
-
H315Causes skin irritation
H319Causes serious eye irritation
- Precautionary statements
-
P264Wash hands thoroughly after handling.
P264Wash skin thouroughly after handling.
P280Wear protective gloves/protective clothing/eye protection/face protection.
P302+P352IF ON SKIN: wash with plenty of soap and water.
P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.
P332+P313IF SKIN irritation occurs: Get medical advice/attention.
P337+P313IF eye irritation persists: Get medical advice/attention.
N-Bromosuccinimide Price
- Product number
- 148482
- Product name
- Diphenylsilane
- Purity
- 97%
- Packaging
- 5g
- Price
- $41.7
- Updated
- 2024/03/01
- Product number
- 148482
- Product name
- Diphenylsilane
- Purity
- 97%
- Packaging
- 25g
- Price
- $128
- Updated
- 2024/03/01
- Product number
- D2406
- Product name
- Diphenylsilane
- Purity
- >97.0%(GC)
- Packaging
- 5g
- Price
- $62
- Updated
- 2024/03/01
- Product number
- D2406
- Product name
- Diphenylsilane
- Purity
- >97.0%(GC)
- Packaging
- 25g
- Price
- $186
- Updated
- 2024/03/01
- Product number
- A10884
- Product name
- Diphenylsilane, 97%
- Packaging
- 5g
- Price
- $37.4
- Updated
- 2024/03/01
Diphenylsilane Chemical Properties,Usage,Production
Chemical Properties
clear colorless liquid
Uses
Thiocarbonyl derivatives of secondary alcohols are readily reduced by diphenylsilane in a radical chain process at room temperature using triethylborane-air as an initiator. An improved radical chain procedure for the deoxygenation of secondary and primary alcohols using diphenylsilane as hydrogen atom donor and triethylborane-air as initiator. Diphenylsilane is a reagent in the invention of radical reactions for deoxygenation of alcohols via their thiocarbonyl derivatives, deamination via isonitriles, and dehalogenation of bromo- and iodo- compounds by radical chain chemistry. Fluorescent film sensor for vapor-phase nitroaromatic explosives via monolayer assembly of oligo(diphenylsilane) on glass plate surfaces. Reductions of carboxylic acid derivatives by silanes in the presence of rhodium complexes were studied. Carboxylic esters were reduced to alcohols by diphenylsilane catalyzed by [RhCl (cod)] 2/4PPh 3 or [RhCl (PPh 3) 3] at room temperature in up to 99% yields. Sequential C- Si bond formations from diphenylsilane and its application to silanediol peptide isostere precursors.
Application
Used in the preparation of silyl-substituted alkylidene complexes of tantalum. Used in the ionic reduction of enones to saturated ketones. Used in the reductive cyclization of unsaturated ketones. Reduces esters in the presence of zinc hydride catalyst. Reduces α-halo ketones in presence of Mo(0). Reduces thio esters to ethers. Reduces esters to alcohols with Rh catalysis. Employed in the asymmetric reduction of methyl ketones and other ketones. Reductively cleaves allyl acetates.
Purification Methods
Dissolve it in Et2O, mix slowly with ice-cold 10% AcOH. The Et2O layer is then shaken with H2O until the washings are neutral to litmus. Dry over Na2SO4, evaporate the Et2O and distil the residual oil under reduced pressure using a Claisen flask with the take-off head modified into a short column. Ph2SiH2 boils at 257o/760mm, but it cannot be distilled at this temperature because exposure to air leads to flashing, decomposition and formation of silica. It is a colourless, odourless oil, miscible with organic solvents but not H2O. A possible impurity is Ph3SiH which has m 43-45o and would be found in the residue. [West & Rochow J Org Chem 18 303 1953, Benkhesser et al. J Am Chem Soc 74 648 1952, Gilman & Zuech J Am Chem Soc 81 5925 1959, Beilstein 16 IV 1366.]
Diphenylsilane Preparation Products And Raw materials
Raw materials
Preparation Products
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View Lastest Price from Diphenylsilane manufacturers
- Product
- Diphenylsilane 775-12-2
- Price
- US $10.00/kg
- Min. Order
- 1kg
- Purity
- 99.6%
- Supply Ability
- 100000
- Release date
- 2024-04-25
- Product
- DIPHENYLSILANE 775-12-2
- Price
- US $0.00/KG
- Min. Order
- 1KG
- Purity
- 98.00%
- Supply Ability
- 1000KG /month
- Release date
- 2021-11-22
- Product
- Diphenylsilane 775-12-2
- Price
- US $10.00/KG
- Min. Order
- 1KG
- Purity
- 99.%
- Supply Ability
- 10 ton
- Release date
- 2023-07-19