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681-84-5 - Tetramethoxysilane, 98% - Tetramethyl orthosilicate - L09716 - Alfa Aesar

L09716 Tetramethoxysilane, 98%

Numéro CAS
681-84-5
Synonymes
Tetramethyl orthosilicate

Dimensions Prix ($) Quantité Disponibilité
25g 20,91
100g 53,19
500g 173,70
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Tetramethoxysilane, 98%

MDL
MFCD00008341
EINECS
211-656-4

Propriétés chimiques

Formule
C4H12O4Si
Poids formulaire
152.22
Point de fusion
4-5°
Point d'ébullition
121-122°
Point d'éclair
26°(78°F)
Densité
1.032
Indice de réfraction
1.3680
Sensibilité
Moisture Sensitive
Solubilité
Miscible with ethanol and organic solvents. Immiscible with water.

Applications

Tetramethoxysilane is used in corrosion resistant coatings and in catalysts. It is also used in the production of silicone. Further, it is employed in the sol-gel synthesis of chromium-doped silicates and in the formation of hexagonal mesoporous silica layers. In addition, it is used in synthetic chemistry to prepare ketals and acetals from ketones and aldehydes respectively.

Notes

Moisture sensitive. Incompatible with oxidizing agents, acids and bases.

Références bibliographiques

Han, C.; Li, M. Y.; Li, Y. N.; Liu, H. L.; Wang, P.; Collinson, M. M.; Lu, Z. X. Self-supporting hybrid silica membranes with 3D large-scale ordered interconnected pore architectures. RSC Adv. 2015, 5 (25), 19182-19189.

Yao, D.; Chen, Y.; Jin, R. Different dimensional silica materials prepared using shaped block copolymer nanoobjects as catalytic templates. J. Mater. Chem. B 2015, 3 (28), 5786-5794.

Mentions de danger et de prudence du SGH

Mentions de danger (UE): H330-H315-H335-H318-H226

Fatal if inhaled. Causes skin irritation. May cause respiratory irritation. Causes serious eye damage. Flammable liquid and vapour.

Mentions de prudence: P210-P260-P284-P261-P303+P361+P353-P304+P340-P305+P351+P338-P320-P405-P501a

Keep away from heat/sparks/open flames/hot surfaces. - No smoking. Do not breathe dust/fume/gas/mist/vapours/spray. Wear respiratory protection. Avoid breathing dust/fume/gas/mist/vapours/spray. IF ON SKIN (or hair): Remove/Take off immediately all contaminated clothing. Rinse skin with water/shower. IF INHALED: Remove to fresh air and keep at rest in a position comfortable for breathing. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. Specific treatment is urgent (see label). Store locked up. Dispose of contents/container in accordance with local/regional/national/international regulations.

Autres références

Beilstein
1699658
Classe de danger
6.1
Groupe d'emballage
I
Code tarifaire harmonisé
2931.90
TSCA
Yes
RTECS
VV9800000

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