7.2 (vs air)
<1 mmHg ( 20 °C)
n20/D 1.382 (lit.)
168 °C (lit.)
0.933 g/mL at 20 °C (lit.)
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Acute Tox. 4 Inhalation - Eye Irrit. 2 - Flam. Liq. 3 - STOT SE 3
3 - Flammable liquids
113.0 °F - closed cup
45 °C - closed cup
If available for a given product, the recommended re-test date or the expiration date can be found on the Certificate of Analysis.
The lot specific COA document can be found by entering the lot number above under the "Documents" section.
An acid or alkali catalyst is needed to do a hydrolysis reaction to free the silanol group for use.
According to the 13th Edition of the chemicals encyclopedia published by the Royal Society of Chemistry, Tetraethyl Orthosilicate is practically insoluble in water and is slowly decomposed by it. It is miscible with alcohol.
A xerogel is a solid formed from a gel by drying with unhindered shrinkage. Xerogel usually retains high porosity and large surfaced area, along with very small pore size.
Fractionate through an 80cm Podbielniak type column with heated jacket and partial take-off head. [Purification of Laboratory Chemicals Fourth Ed]
The freezing point is ~85°C.
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Transportation information can be found in Section 14 of the product's (M)SDS.To access the shipping information for this material, use the link on the product detail page for the product.
Ask a Scientist here.
Silica is a very popular inorganic nanomaterial used in a wide range of applications including fillers for rubber, catalyst supports, separation media, carriers in food and agriculture, and abrasive/anticaking agents in cosmetics. It is also widely believed to be an important material for biomedical applications for following reasons.
The properties of many devices are limited by the intrinsic properties of the materials that compose them.
Magnetism and magnetic materials have been of scientific interest for over 1,000 years. More recently, fundamental investigations have focused on exploring the various types of magnetic materials and understanding the magnetic effects created by electric currents.
Hybrid organic-inorganic sol-gel materials containing silica were first called “ORMOSILs” in 1984.