Tetramethyl orthosilicate, 99%, ACROS Organics™

Brand:  Acros Organics 203821000

Product Code. 10062620

Chemical Identifiers

• CAS: 681-84-5
• Molecular Weight (g/mol): 152.22
• InChI Key: LFQCEHFDDXELDD-UHFFFAOYSA-N
• PubChem CID: 12682
• SMILES: CO[Si](OC)(OC)OC

• Molecular Formula: C4H12O4Si
• MDL Number: MFCD00008341
• Synonym: tetramethoxysilane, tetramethyl orthosilicate, methyl silicate, tmos, methyl orthosilicate, methyl silicate 39, silane, tetramethoxy, silicic acid, tetramethyl ester, methyl silicate 28, tetramethylorthosilicate
• IUPAC Name: tetramethyl silicate

Specifications

• Chemical Name or Material: Tetramethyl orthosilicate
• Flash Point: 26°C
• Packaging: Glass bottle
• Specific Gravity: 1.03
• Boiling Point: 121.0°C to 122.0°C
• Melting Point: -2.0°C
• CAS: 681-84-5
• Molecular Formula: C4H12O4Si
• MDL Number: MFCD00008341
• Synonym: tetramethoxysilane, tetramethyl orthosilicate, methyl silicate, tmos, methyl orthosilicate, methyl silicate 39, silane, tetramethoxy, silicic acid, tetramethyl ester, methyl silicate 28, tetramethylorthosilicate
• InChI Key: LFQCEHFDDXELDD-UHFFFAOYSA-N
• IUPAC Name: tetramethyl silicate
• PubChem CID: 12682
• Physical Form: Liquid

• Density: 1.0300g/mL
• Infrared Spectrum: Authentic
• Refractive Index: 1.3670 to 1.3700
• Viscosity: 0.7 mPa.s (20°C)
• Color: Undesignated
• Quantity: 100g
• Assay Percent Range: 98.5% min. (GC)
• Linear Formula: Si(OCH₃)₄
• Beilstein: 01,287
• Solubility Information: Solubility in water: hydrolysis in water. Other solubilities: soluble in alcohol
• SMILES: CO[Si](OC)(OC)OC
• Molecular Weight (g/mol): 152.22
• Formula Weight: 152.22
• Percent Purity: 99%

Safety and Handling

Product Identifier

• Tetramethyl orthosilicate

Signal Word

• Danger

Hazard Category

• Acute toxicity Category 2
• Serious eye damage/eye irritation Category 1
• Flammable liquid Category 3
• Skin corrosion/irritation Category 2
• Specific target organ toxicity Category 3

Hazard Statement

• H318-Causes serious eye damage.
• H315-Causes skin irritation.
• H330-Fatal if inhaled.
• H335-May cause respiratory irritation.
• H226-Flammable liquid and vapour.

Precautionary Statement

• P210-Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking.
• P261-Avoid breathing dust/fume/gas/mist/vapours/spray.
• P280-Wear protective gloves/protective clothing/eye protection/face protection.
• P302+P352-IF ON SKIN: Wash with plenty of water/.
• P304+P340-IF INHALED: Remove person to fresh air and keep comfortable for breathing.
• P305+P351+P338-IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
• P310-Immediately call a POISON CENTER/doctor/.