87682

Tetramethyl orthosilicate

purum, ≥98.0% (GC)

• Synonyme(s) : Tetramethoxysilane
• Formule linéaire : Si(OCH₃)₄
• Numéro CAS: 681-84-5
• Poids moléculaire : 152.22
• UNSPSC Code: 12352103
• NACRES: NA.23
• PubChem Substance ID: 329769595
• EC Number: 211-656-4
• Beilstein/REAXYS Number: 1699658
• MDL number: MFCD00008341

Propriétés

• vapor density: 5.25 (vs air)
• Quality Segment: 200
• vapor pressure: 13 hPa ( 20 °C)
• grade: purum
• assay: ≥98.0% (GC)
• form: liquid
• refractive index: n20/D 1.368
• bp: 121-122 °C (lit.)
• mp: −4 °C (lit.)
• density: 1.023 g/mL at 25 °C (lit.)
• SMILES string: CO[Si](OC)(OC)OC
• InChI: 1S/C4H12O4Si/c1-5-9(6-2,7-3)8-4/h1-4H3
• InChI key: LFQCEHFDDXELDD-UHFFFAOYSA-N

Description

Application

Used in the sol-gel synthesis of chromium-doped silicates and in the formation of hexagonal mesoporous silica layers.

Informations sur la sécurité

• pictograms: GHS02,GHS06,GHS05
• signalword: Danger
• hcodes: H226,H315,H318,H330
• pcodes: P210 - P233 - P280 - P303 + P361 + P353 - P304 + P340 + P310 - P305 + P351 + P338
• Hazard Classifications: Acute Tox. 1 Inhalation - Eye Dam. 1 - Flam. Liq. 3 - Skin Irrit. 2
• Classe de stockage: 3 - Flammable liquids
• wgk: WGK 1
• flash_point_f: 78.8 °F - closed cup
• flash_point_c: 26 °C - closed cup
• ppe: Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter