Tetraethyl orthosilicate (TEOS) - Reagent Grade, ≥98% , CAS No.78-10-4

CAS: 78-10-4 Cat. No.: T110593 Formula: C₈H₂₀O₄Si Molecular Weight: 208.33 Beilstein Registry Number: 1422225 EC Number: 201-083-8 PubChem CID: 6517

GRADE & PURITY Reagent Grade, ≥98%

Synonyms

TEOS | MFCD00009062 | Silicic acid, tetraethyl ester | Etylu krzemian [Polish] | tetraethylortho silicate | EC 201-083-8 | Tox21_200426 | ES 100 | STR05461 | TEOS (VAN) | Etylu krzemian | Silicic acid, (H4SiO4), tetraethyl ester | UN1292 | ETHYL SILICATE

Storage

Room temperature,Desiccated

Shipped In

FedEx DG Service

Specifications

Synonyms

TEOS | MFCD00009062 | Silicic acid, tetraethyl ester | Etylu krzemian [Polish] | tetraethylortho silicate | EC 201-083-8 | Tox21_200426 | ES 100 | STR05461 | TEOS (VAN) | Etylu krzemian | Silicic acid, (H4SiO4), tetraethyl ester | UN1292 | ETHYL SILICATE

Specifications & Purity

Reagent Grade, ≥98%

Storage

Room temperature,Desiccated

Shipped In

FedEx DG Service

Grade

Reagent Grade

Purity

≥98%

Names and Identifiers

Pubchem Sid

508815167

Pubchem Sid Url

https://pubchem.ncbi.nlm.nih.gov/substance/508815167

Canonical Smiles

CCO[Si](OCC)(OCC)OCC

IUPAC Name

tetraethyl silicate

InChIKey

BOTDANWDWHJENH-UHFFFAOYSA-N

INCHI

1S/C8H20O4Si/c1-5-9-13(10-6-2,11-7-3)12-8-4/h5-8H2,1-4H3

Isomeric SMILES

CCO[Si](OCC)(OCC)OCC

WGK Germany

1

RTECS

VV9450000

PubChem CID

6517

UN Number

1292

Packing Group

III

Molecular Weight

208.33

Beilstein

1422225

Reaxy-Rn

1422225

Taxonomic Classification

Taxonomy Tree

• Kingdom Organic compounds
  • Superclass Organometallic compounds
    • Class Organometalloid compounds
      • Subclass Organosilicon compounds

• Kingdom: Organic compounds
• Superclass: Organometallic compounds
• Class: Organometalloid compounds
• Subclass: Organosilicon compounds
• Intermediate Tree Nodes: Not available
• Direct Parent: Alkoxysilanes
• Alternative Parents: Organic metalloid salts Organooxygen compounds Organic oxoanionic compounds Hydrocarbon derivatives
• Molecular Framework: Aliphatic acyclic compounds
• Substituents: Alkoxysilane - Organic silicate - Organic metalloid salt - Organic oxygen compound - Hydrocarbon derivative - Organic salt - Organooxygen compound - Aliphatic acyclic compound
• Description: This compound belongs to the class of organic compounds known as alkoxysilanes. These are organosilicon compounds with the general formula RO[Si](OR')(R'')(R''') (R,R' = organyl; R'',R''' = any atom).
• External Descriptors: Not available

Data sources

1. Djoumbou Feunang Y, Eisner R, Knox C, Chepelev L, Hastings J, Owen G, Fahy E, Steinbeck C, Subramanian S, Bolton E, Greiner R, and Wishart DS. ClassyFire: Automated Chemical Classification With A Comprehensive, Computable Taxonomy. Journal of Cheminformatics, 2016, 8:61.

DOI: 10.1186/s13321-016-0174-y

Chemical and Physical Properties

• Solubility: Solubility in water: Practically insoluble; Miscible with Alcohol; Soluble in Ether; Slightly soluble in Benzene
• Sensitivity: moisture sensitive
• Refractive Index: 1.382
• Flash Point(°F): 113 °F
• Flash Point(°C): 45 °C
• Boil Point(°C): 168 °C (lit.)
• Melt Point(°C): -82 °C
• Molecular Weight: 208.330 g/mol
• Hydrogen Bond Donor Count: 0
• Hydrogen Bond Acceptor Count: 4
• Rotatable Bond Count: 8
• Exact Mass: 208.113 Da
• Monoisotopic Mass: 208.113 Da
• Topological Polar Surface Area: 36.900 Ų
• Heavy Atom Count: 13
• Formal Charge: 0
• Complexity: 91.200
• Isotope Atom Count: 0
• Defined Atom Stereocenter Count: 0
• Undefined Atom Stereocenter Count: 0
• Defined Bond Stereocenter Count: 0
• Undefined Bond Stereocenter Count: 0
• The total count of all stereochemical bonds: 0
• Covalently-Bonded Unit Count: 1

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