Zurück
HuagongsheHuagongshe Chemie-Druckbericht · Nur für Forschungszwecke
HCID 69627Erstellt: 26. Oktober 2026

Tetrapropylorthosilicat

CT2090 · Dynasil P · Propyl silicate · n-Propyl silicate · TETRAPROPOXYSILANE · TETRAPROPOXYLSILANE · Tetrapropylsilicate · Propyl orthosilicate

https://huagongshe.com/de/chemical/69627

Molekülstruktur von Tetrapropylorthosilicat

Identifikatoren & physikalische Daten

CAS No.682-01-9
SummenformelC12H28O4Si
Durchschnittliche Molmasse264,43 g/mol
Monoisotopische Masse264,17568591 g/mol
SMILESCCCO[Si](OCCC)(OCCC)OCCC
InChIKeyZQZCOBSUOFHDEE-UHFFFAOYSA-N
PubChem CID69627
ChEMBLCHEMBL3181871
EC No.211-659-0
DTXSIDDTXSID9042382
Lokaler NameTetrapropylorthosilicat

Chemische & physikalische Eigenschaften

Polarare Oberfläche (TPSA)36,9
H-Brücken-Donoren0
H-Brücken-Akzeptoren4
Frei drehbare Bindungen12
Schwere Atome17
Formalladung0
Komplexität129
StoffklassenMetals -> Metalloid Compounds (Silicon)
SpringerMaterials PropertiesBoiling point
Dichte0.913 @25 °C0.916 g/mL at 25 °C(lit.)
Siedepunkt94 °C @760 [mm Hg]94 °C5 mm Hg(lit.)
Physical DescriptionLiquidOther SolidColorless liquid[Alfa Aesar MSDS]
Schmelzpunkt<-80°C
Dampfdichte>1 (vs air)
Dampfdruck0.26Pa at 25℃
Brechungsindexn20/D 1.4(lit.)
Flammpunkt203 °F
LagerbedingungenInert atmosphere,Room Temperature
Aggregatzustandliquid
Wichte0.916
FarbeColorless to Almost colorless
Löslichkeit78mg/L at 20℃
BRN1706115
InChI1S/C12H28O4Si/c1-5-9-13-17(14-10-6-2,15-11-7-3)16-12-8-4/h5-12H2,1-4H3
InChIKeyZQZCOBSUOFHDEE-UHFFFAOYSA-N
SMILESCCCO[Si](OCCC)(OCCC)OCCC
LogP (Verteilungskoeffizient)3.4 at 20℃
CAS Datenbank682-01-9(CAS DataBase Reference)
NIST chemische InformationenTetrapropyl silicate(682-01-9)
EPA chemische InformationenSilicic acid (H4SiO4), tetrapropyl ester (682-01-9)

Sicherheit & Vorschriften

GHS-EinstufungThis chemical does not meet GHS hazard criteria for 7.9% (20 of 254) of reports.WarningH315 (48.8%): Causes skin irritation [Warning Skin corrosion/irritation]P260, P261, P264, P264+P265, P271, P280, P302+P352, P304+P340, P305+P351+P338, P319, P321, P332+P317, P337+P317, P362+P364, P403+P233, P405, and P501 (click each P-code to see the statement)Aggregated GHS information provided per 254 reports by companies from 12 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.
Regulatorische InformationenChemical: Silicic acid (H4SiO4), tetrapropyl esterSilicic acid (H4SiO4), tetrapropyl ester is listed on the EPA's Chemical Data Reporting (CDR) system. Manufacturers and importers of Silicic acid (H4SiO4), tetrapropyl ester are required to report information about their production and use of this chemical to the EPA under the Toxic Substances Control Act (TSCA). (40 eCFR Part 711)Status: Active Update: 12-09-2022 https://echa.europa.eu/registration-dossier/-/registered-dossier/14206Tetrapropyl orthosilicate: Does not have an individual approval but may be used as a component in a product covered by a group standard. It is not approved for use as a chemical in its own right.
GefahrenübersichtA skin and strong eye irritant[Alfa Aesar MSDS] See Ethyl silicate and Tetrabutyl orthosilicate.
Hazard Classes and CategoriesSkin Irrit. 2 (48.8%)
Protective Action Criteria (PAC)12 [mg/m3]130 [mg/m3]790 [mg/m3]
F10-21
Wassergefährdungsklasse (WGK)3
TSCA-Inventar-StatusTSCA listed
UN-Transportnummer1993
Zollcode29209090
R-Sätze (R)36/37/38
GefahrensymboleXi
Sicherheitshinweise (S)26-36-37/39
Gefahrenklasse8Eye Irrit. 2Skin Irrit. 2STOT SE 3
VerpackungsgruppeIII
Lagerklasse10 - Combustible liquids