Introduction：Basic information about Diphenylsilanediol CAS 947-42-2, including its chemical name, molecular formula, synonyms, physicochemical properties, and safety information, etc.
Diphenylsilanediol Basic information
| Product Name: | Diphenylsilanediol |
| Synonyms: | diphenyl-silanedio;Silane, dihydroxydiphenyl-;Silanediol, diphenyl-;DIPHENYLSILANEDIOL;DIHYDROXYDIPHENYLSILANE;Diphenylsilanediol(Dihydroxydiphenylsilane);Diphenylsilanediol,min.95%;DIPHENYLSILANEDIOL HIGH PURITY |
| CAS: | 947-42-2 |
| MF: | C12H12O2Si |
| MW: | 216.31 |
| EINECS: | 213-427-4 |
| Product Categories: | Si (Classes of Silicon Compounds);Silanols;Si-O Compounds;Phenyl Silanes;Organosilicon;Self Assembly&Contact Printing;Self-Assembly Materials;SilanesOrganometallic Reagents;Organometallic Reagents;organosilicon compounds;947-42-2 |
| Mol File: | 947-42-2.mol |
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Diphenylsilanediol Chemical Properties
| Melting point | 144-147 °C |
| Boiling point | 353°C [760mmHg] |
| density | 0.87 |
| vapor density | >1 (vs air) |
| vapor pressure | 0Pa at 25℃ |
| Fp | 129 °F |
| storage temp. | Inert atmosphere,Room Temperature |
| pka | 12.06±0.53(Predicted) |
| form | Powder |
| color | white |
| Water Solubility | reacts |
| Sensitive | Air & Light Sensitive |
| Hydrolytic Sensitivity | 4: no reaction with water under neutral conditions |
| BRN | 2523445 |
| Stability: | Stable. Combustible. Incompatible with strong oxidizing agents. |
| InChI | 1S/C12H12O2Si/c13-15(14,11-7-3-1-4-8-11)12-9-5-2-6-10-12/h1-10,13-14H |
| InChIKey | OLLFKUHHDPMQFR-UHFFFAOYSA-N |
| SMILES | O[Si](O)(c1ccccc1)c2ccccc2 |
| LogP | 2 at 20℃ |
| CAS DataBase Reference | 947-42-2(CAS DataBase Reference) |
| NIST Chemistry Reference | Diphenyl silanediol(947-42-2) |
| EPA Substance Registry System | Silanediol, diphenyl- (947-42-2) |
Safety Information
| Hazard Codes | F |
| Risk Statements | 11-10 |
| Safety Statements | 16-22-24/25-37-26 |
| RIDADR | UN 1325 4.1/PG 3 |
| WGK Germany | 1 |
| RTECS | VV3640000 |
| TSCA | TSCA listed |
| HazardClass | 4.1 |
| PackingGroup | III |
| HS Code | 29319090 |
| Storage Class | 4.1B - Flammable solid hazardous materials |
| Hazard Classifications | Flam. Sol. 1 |
Diphenylsilanediol Usage And Synthesis
| Description | Diphenylsilanediol is a chemical compound that is used as a catalyst. It can be produced by the reaction of diphenylsilane with sulfuric acid. This chemical has been shown to have high thermal and chemical stability, making it an ideal material for catalytic materials. Diphenylsilanediol has also been shown to be an efficient solid catalyst for synthesizing hydrocarbons from hydrogen fluoride and hydrochloric acid. The efficiency of this catalyst may be due to its ability to reduce the activation energy required for the reaction. Diphenylsilanediol is an important material used to manufacture silicone resins and rubbers. In addition, it is helpful as an additive for organopolysiloxanes that are convertible to the cured solid. |
| Chemical Properties | White powder |
| Uses | Diphenylsilanediol is used in Medicine field, electronics industry and polymer material. |
| Preparation | Diphenylsilanediol was obtained by controlled hydrolysis of diphenyldichlorosilane in the presence of aniline as acid acceptor and ethyl ether . |
| General Description | Diphenylsilanediol(DPSD) is an alkoxysilane that is used as a silane based precusor in the synthesis of organosiloxane based resins. |
| Flammability and Explosibility | Non flammable |
| Purification Methods | Recrystallise it from CHCl3/methyl ethyl ketone. [Beilstein 16 IV 1523.] |
Diphenylsilanediol Preparation Products And Raw materials
| Raw materials | Dichlorodiphenylsilane-->Disilanecarboxylic acid, pentaphenyl--->Silane,diphenyldi-2-thienyl- (8CI,9CI)-->Triphenylsilanol-->1,1,3,3-TETRAPHENYLDISILOXANE DIOL-->diphenylsilanol-->Diphenyldiethoxysilane-->Diphenylsilane |
| Preparation Products | Octaphenylcyclotetrasiloxane |
