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Tetramethyl orthosilicate, 99%

Catalog No. AC203821000
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Catalog No. AC203821000 Supplier Thermo Scientific Chemicals Supplier No. 203821000
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CAS: 681-84-5 | C4H12O4Si | 152.22 g/mol

This Thermo Scientific Chemicals brand product was originally part of the Acros Organics product portfolio. Some documentation and label information may refer to the legacy brand. The original Acros Organics product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.

TRUSTED_SUSTAINABILITY

Chemical Identifiers

CAS 681-84-5
Molecular Formula C4H12O4Si
Molecular Weight (g/mol) 152.22
MDL Number MFCD00008341
InChI Key LFQCEHFDDXELDD-UHFFFAOYSA-N
Synonym tetramethoxysilane, tetramethyl orthosilicate, methyl silicate, tmos, methyl orthosilicate, methyl silicate 39, silane, tetramethoxy, silicic acid, tetramethyl ester, methyl silicate 28, tetramethylorthosilicate
PubChem CID 12682
IUPAC Name tetramethyl silicate
SMILES CO[Si](OC)(OC)OC

Specifications

Melting Point -2.0°C
Density 1.0300g/mL
Boiling Point 121.0°C to 122.0°C
Flash Point 26°C
Infrared Spectrum Authentic
Assay Percent Range 98.5% min. (GC)
Packaging Glass bottle
Refractive Index 1.3670 to 1.3700
Linear Formula Si(OCH3)4
Quantity 100 g
Beilstein 01,287
Specific Gravity 1.03
Solubility Information Solubility in water: hydrolysis in water. Other solubilities: soluble in alcohol
Viscosity 0.7 mPa.s (20°C)
Formula Weight 152.22
Percent Purity 99%
Physical Form Liquid
Chemical Name or Material Tetramethyl orthosilicate
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Hazard Category GHS Signal Word: Danger
EINECSNumber 211-656-4

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