Skip to Content
Merck
All Photos(1)

Key Documents

View All Documentation

679240

Sigma-Aldrich

Tetrapropyl orthosilicate

≥98%, deposition grade

Synonym(s):

Tetrapropoxysilane

Sign Into View Organizational & Contract Pricing
All Photos(1)

About This Item

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

grade

deposition grade

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

InChI key

ZQZCOBSUOFHDEE-UHFFFAOYSA-N

Looking for similar products? Visit Product Comparison Guide

Related Categories

Pictograms

Exclamation mark
GHS07

Signal Word

Warning

Hazard Statements

H315,H319,H335

Hazard Classifications

Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3

Target Organs

Respiratory system

Storage Class Code

10 - Combustible liquids

WGK

WGK 3

Flash Point(F)

203.0 °F - closed cup

Flash Point(C)

95 °C - closed cup

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

Already Own This Product?

Find documentation for the products that you have recently purchased in the Document Library.

Visit the Document Library

Articles

Deposition Grade Silanes for Sol-Gel Processes

Deposition Grade Silanes, fully characterized by chemical analysis and nuclear magnetic resonance (NMR) with greater than 98% purity, for Sol-Gel Processes.

Sol-Gel Science for Ceramic Materials

Reactive silicone chemistry: Focus on pure silicon production, polymerizations, and controlled stereochemistry reactions.

Sol-Gel Science for Ceramic Materials

Reactive silicone chemistry: Focus on pure silicon production, polymerizations, and controlled stereochemistry reactions.

Sol-Gel Science for Ceramic Materials

Reactive silicone chemistry: Focus on pure silicon production, polymerizations, and controlled stereochemistry reactions.

See All

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Contact Technical Service