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HCID 13693Erstellt: 26. Oktober 2026

Diphenylsilandiol

DPSD · DIHYDROXYDIPHENYLSILANE · Diphenyldihydroxysilane · DK957 · Z-6047 · DPDHSi · CD6150 · CFS-422

https://huagongshe.com/de/chemical/13693

Molekülstruktur von Diphenylsilandiol

Identifikatoren & physikalische Daten

CAS No.947-42-2
SummenformelC12H12O2Si
Durchschnittliche Molmasse216,31 g/mol
Monoisotopische Masse216,06065615 g/mol
SMILESO[Si](O)(c1ccccc1)c1ccccc1
InChIKeyOLLFKUHHDPMQFR-UHFFFAOYSA-N
PubChem CID13693
EC No.213-427-4
DTXSIDDTXSID3061340
Lokaler NameDiphenylsilandiol

Chemische & physikalische Eigenschaften

Polarare Oberfläche (TPSA)40,5
H-Brücken-Donoren2
H-Brücken-Akzeptoren2
Frei drehbare Bindungen2
Schwere Atome15
Formalladung0
Komplexität174
StoffklassenMetals -> Metalloid Compounds (Silicon)
SpringerMaterials Properties29Si nuclear magnetic resonance spectrum
Physical DescriptionWhite powder[Aldrich MSDS]
Schmelzpunkt144-147 °C
Siedepunkt353°C [760mmHg]
Dichte0.87
Dampfdichte>1 (vs air)
Dampfdruck0Pa at 25℃
Flammpunkt129 °F
LagerbedingungenInert atmosphere,Room Temperature
AggregatzustandPowder
pKa (Säurekonstante)12.06±0.53(Predicted)
Farbewhite
Löslichkeitreacts
BRN2523445
StabilitätStable. Combustible. Incompatible with strong oxidizing agents.
InChI1S/C12H12O2Si/c13-15(14,11-7-3-1-4-8-11)12-9-5-2-6-10-12/h1-10,13-14H
InChIKeyOLLFKUHHDPMQFR-UHFFFAOYSA-N
SMILESO[Si](O)(c1ccccc1)c2ccccc2
LogP (Verteilungskoeffizient)2 at 20℃
CAS Datenbank947-42-2(CAS DataBase Reference)
NIST chemische InformationenDiphenyl silanediol(947-42-2)
EPA chemische InformationenSilanediol, diphenyl- (947-42-2)

Sicherheit & Vorschriften

GHS-EinstufungThis chemical does not meet GHS hazard criteria for 6.1% (5 of 82) of reports.DangerH228 (64.6%): Flammable solid [Danger Flammable solids]P210, P240, P241, P273, P280, P370+P378, P391, and P501 (click each P-code to see the statement)Aggregated GHS information provided per 82 reports by companies from 6 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.
Regulatorische InformationenChemical: Silanediol, diphenyl-REACH registered substance: Diphenylsilanediol (EC: 213-427-4)
GefahrenübersichtHighly flammableMay cause irritation[Aldrich MSDS]
Hazard Classes and CategoriesFlam. Sol. 2 (64.6%)
Wassergefährdungsklasse (WGK)1
TSCA-Inventar-StatusTSCA listed
UN-TransportnummerUN 1325 4.1/PG 3
Zollcode29319090
RTECS-Nr.VV3640000
R-Sätze (R)11-10
GefahrensymboleF
Sicherheitshinweise (S)16-22-24/25-37-26
Gefahrenklasse4.1Flam. Sol. 1
VerpackungsgruppeIII
Lagerklasse4.1B - Flammable solid hazardous materials

Anwendungen & Verwendung

Beschreibung

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.

Verwenden

Diphenylsilanediol is used in Medicine field, electronics industry and polymer material.