reagent grade
7.2 (vs air)
<1 mmHg ( 20 °C)
98%
liquid
n20/D 1.382 (lit.)
168 °C (lit.)
0.933 g/mL at 20 °C (lit.)
CCO[Si](OCC)(OCC)OCC
1S/C8H20O4Si/c1-5-9-13(10-6-2,11-7-3)12-8-4/h5-8H2,1-4H3
BOTDANWDWHJENH-UHFFFAOYSA-N
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Warning
Acute Tox. 4 Inhalation - Eye Irrit. 2 - Flam. Liq. 3 - STOT SE 3
Respiratory system
3 - Flammable liquids
WGK 1
113.0 °F - closed cup
45 °C - closed cup
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’.
Documents related to the products that you have purchased in the past have been gathered in the Document Library for your convenience.
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Additional examples:
705578-5MG-PW
PL860-CGA/SHF-1EA
MMYOMAG-74K-13
1000309185
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How to Find a Lot/Batch Number for COA
Lot and Batch Numbers can be found on a product's label following the words 'Lot' or 'Batch'.
For a lot number such as TO09019TO, enter it as 09019TO (without the first two letters 'TO').
For a lot number with a filling-code such as 05427ES-021, enter it as 05427ES (without the filling-code '-021').
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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.
Synthesis of Melting Gels Using Mono-Substituted and Di-Substituted Alkoxysiloxanes
The properties of many devices are limited by the intrinsic properties of the materials that compose them.
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