679240

Tetrapropyl orthosilicate

≥98%, deposition grade

• Synonym(s): Tetrapropoxysilane
• Linear Formula: (CH₃CH₂CH₂O)₄Si
• CAS Number: 682-01-9
• Molecular Weight: 264.43
• Beilstein/REAXYS Number: 1706115
• EC Number: 211-659-0
• MDL number: MFCD00009364
• UNSPSC Code: 12352103
• PubChem Substance ID: 24885479
• NACRES: NA.23

Properties

• grade: deposition grade
• Quality Level: 100
• vapor density: >1 (vs air)
• assay: ≥98%
• form: liquid
• refractive index: n20/D 1.4 (lit.)
• bp: 94 °C/5 mmHg (lit.)
• density: 0.916 g/mL at 25 °C (lit.)
• SMILES string: CCCO[Si](OCCC)(OCCC)OCCC
• InChI: 1S/C12H28O4Si/c1-5-9-13-17(14-10-6-2,15-11-7-3)16-12-8-4/h5-12H2,1-4H3

Safety Information

• pictograms: GHS07
• signalword: Warning
• hcodes: H315,H319,H335
• pcodes: P261 - P264 - P271 - P280 - P302 + P352 - P305 + P351 + P338
• Hazard Classifications: Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3
• target_organs: Respiratory system
• Storage Class: 10 - Combustible liquids
• wgk_germany: WGK 3
• flash_point_f: 203.0 °F - closed cup
• flash_point_c: 95 °C - closed cup
• ppe: Eyeshields, Gloves, type ABEK (EN14387) respirator filter