Tetraethyl orthosilicate
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- $12 - $1350
- Product name: Tetraethyl orthosilicate
- CAS: 78-10-4
- MF: C8H20O4Si
- MW: 208.33
- EINECS:201-083-8
- MDL Number:MFCD00009062
- Synonyms:Ethyl silicat;Ethyl silicate, ((EtO)4Si);Etylu krzemian;etylukrzemian ;Tetraethoxysilane, min. 98% TEOS;Tetraethyl orthosilicate, 98% 100ML;Tetraethyl orthosilicate, 98% 1LT;Tetraethyl orthosilicate, 98% 2.5LT
40 prices
Selected condition：
Brand
- AK Scientific
- Alfa Aesar
- Matrix Scientific
- Sigma-Aldrich
- Strem Chemicals
- SynQuest Laboratories
- TCI Chemical
- TRC
- Usbiological
Package
- 5mL
- 10g
- 25g
- 25ml
- *4x500g
- 50g
- 100g
- 100mL
- 250ml
- 250g
- 500g
- 500ml
- 1l
- 2kg
- 2.5kg
- 2500ml
- 4l
- 10Kg
- 50kg
- ManufacturerAK Scientific
- Product numberX7222
- Product descriptionTetraethyl orthosilicate
- Packaging5mL
- Price$14
- Updated2021-12-16
- Buy
- ManufacturerAK Scientific
- Product numberX7222
- Product descriptionTetraethyl orthosilicate
- Packaging100mL
- Price$54
- Updated2021-12-16
- Buy
- ManufacturerAlfa Aesar
- Product number014082
- Product descriptionTetraethoxysilane 99+%
- Packaging50g
- Price$45.3
- Updated2024-03-01
- Buy
- ManufacturerAlfa Aesar
- Product number014082
- Product descriptionTetraethoxysilane 99+%
- Packaging500g
- Price$58.1
- Updated2023-06-20
- Buy
- ManufacturerAlfa Aesar
- Product number022967
- Product descriptionTetraethoxysilane 99.999+% (metals basis)
- Packaging50g
- Price$84.9
- Updated2024-03-01
- Buy
- ManufacturerAlfa Aesar
- Product number014082
- Product descriptionTetraethoxysilane 99+%
- Packaging*4x500g
- Price$178
- Updated2023-06-20
- Buy
- ManufacturerAlfa Aesar
- Product number014082
- Product descriptionTetraethoxysilane 99+%
- Packaging2.5kg
- Price$192
- Updated2023-06-20
- Buy
- ManufacturerAlfa Aesar
- Product number022967
- Product descriptionTetraethoxysilane 99.999+% (metals basis)
- Packaging250g
- Price$303
- Updated2024-03-01
- Buy
- ManufacturerAlfa Aesar
- Product number040251
- Product descriptionTetraethoxysilane 99.9%
- Packaging2kg
- Price$206
- Updated2024-03-01
- Buy
- ManufacturerAlfa Aesar
- Product numberA14965
- Product descriptionTetraethoxysilane, 98%
- Packaging2500ml
- Price$164
- Updated2024-03-01
- Buy
- ManufacturerAlfa Aesar
- Product number040251
- Product descriptionTetraethoxysilane 99.9%
- Packaging500g
- Price$74.1
- Updated2024-03-01
- Buy
- ManufacturerAlfa Aesar
- Product number040251
- Product descriptionTetraethoxysilane 99.9%
- Packaging100g
- Price$52.9
- Updated2024-03-01
- Buy
- ManufacturerAlfa Aesar
- Product numberA14965
- Product descriptionTetraethoxysilane, 98%
- Packaging500ml
- Price$38.6
- Updated2024-03-01
- Buy
- ManufacturerAlfa Aesar
- Product numberA14965
- Product descriptionTetraethoxysilane, 98%
- Packaging100ml
- Price$29.5
- Updated2024-03-01
- Buy
- ManufacturerMatrix Scientific
- Product number076014
- Product descriptionTetraethyl orthosilicate 95+%
- Packaging100g
- Price$101
- Updated2021-12-16
- Buy
- ManufacturerMatrix Scientific
- Product number076014
- Product descriptionTetraethyl orthosilicate 95+%
- Packaging10g
- Price$24
- Updated2021-12-16
- Buy
| Manufacturer | Product number | Product description | Packaging | Price | Updated | Buy |
|---|---|---|---|---|---|---|
| AK Scientific | X7222 | Tetraethyl orthosilicate | 5mL | $14 | 2021-12-16 | Buy |
| AK Scientific | X7222 | Tetraethyl orthosilicate | 100mL | $54 | 2021-12-16 | Buy |
| Alfa Aesar | 014082 | Tetraethoxysilane 99+% | 50g | $45.3 | 2024-03-01 | Buy |
| Alfa Aesar | 014082 | Tetraethoxysilane 99+% | 500g | $58.1 | 2023-06-20 | Buy |
| Alfa Aesar | 022967 | Tetraethoxysilane 99.999+% (metals basis) | 50g | $84.9 | 2024-03-01 | Buy |
| Alfa Aesar | 014082 | Tetraethoxysilane 99+% | *4x500g | $178 | 2023-06-20 | Buy |
| Alfa Aesar | 014082 | Tetraethoxysilane 99+% | 2.5kg | $192 | 2023-06-20 | Buy |
| Alfa Aesar | 022967 | Tetraethoxysilane 99.999+% (metals basis) | 250g | $303 | 2024-03-01 | Buy |
| Alfa Aesar | 040251 | Tetraethoxysilane 99.9% | 2kg | $206 | 2024-03-01 | Buy |
| Alfa Aesar | A14965 | Tetraethoxysilane, 98% | 2500ml | $164 | 2024-03-01 | Buy |
| Alfa Aesar | 040251 | Tetraethoxysilane 99.9% | 500g | $74.1 | 2024-03-01 | Buy |
| Alfa Aesar | 040251 | Tetraethoxysilane 99.9% | 100g | $52.9 | 2024-03-01 | Buy |
| Alfa Aesar | A14965 | Tetraethoxysilane, 98% | 500ml | $38.6 | 2024-03-01 | Buy |
| Alfa Aesar | A14965 | Tetraethoxysilane, 98% | 100ml | $29.5 | 2024-03-01 | Buy |
| Matrix Scientific | 076014 | Tetraethyl orthosilicate 95+% | 100g | $101 | 2021-12-16 | Buy |
| Matrix Scientific | 076014 | Tetraethyl orthosilicate 95+% | 10g | $24 | 2021-12-16 | Buy |
Properties
Melting point :-77 °C
Boiling point :168 °C(lit.)
Density :0.933 g/mL at 20 °C(lit.)
vapor density :7.2 (vs air)
vapor pressure :<1 mm Hg ( 20 °C)
refractive index :n20/D 1.382(lit.)
Flash point :116 °F
storage temp. :Store below +30°C.
solubility :Soluble in ethanol and 2-propanol.
form :Liquid
Specific Gravity :0.934
color :Colorless
explosive limit :1.3-23%(V)
Water Solubility :Hydrolysis
FreezingPoint :-77℃
Sensitive :Moisture Sensitive
Hydrolytic Sensitivity :7: reacts slowly with moisture/water
Merck :14,3851
BRN :1422225
Exposure limits :ACGIH: TWA 10 ppm
OSHA: TWA 100 ppm(850 mg/m3)
NIOSH: IDLH 700 ppm; TWA 10 ppm(85 mg/m3) Dielectric constant :4.1（20℃）
Stability :Stable. Flammable. Incompatible with strong oxidizing agents, water, alkalies, mineral acids.
InChIKey :BOTDANWDWHJENH-UHFFFAOYSA-N
CAS DataBase Reference :78-10-4(CAS DataBase Reference)
NIST Chemistry Reference :Silicic acid (H4sio4), tetraethyl ester(78-10-4)
EPA Substance Registry System :Tetraethyl silicate (78-10-4)
Boiling point :168 °C(lit.)
Density :0.933 g/mL at 20 °C(lit.)
vapor density :7.2 (vs air)
vapor pressure :<1 mm Hg ( 20 °C)
refractive index :n
Flash point :116 °F
storage temp. :Store below +30°C.
solubility :Soluble in ethanol and 2-propanol.
form :Liquid
Specific Gravity :0.934
color :Colorless
explosive limit :1.3-23%(V)
Water Solubility :Hydrolysis
FreezingPoint :-77℃
Sensitive :Moisture Sensitive
Hydrolytic Sensitivity :7: reacts slowly with moisture/water
Merck :14,3851
BRN :1422225
Exposure limits :ACGIH: TWA 10 ppm
OSHA: TWA 100 ppm(850 mg/m3)
NIOSH: IDLH 700 ppm; TWA 10 ppm(85 mg/m3) Dielectric constant :4.1（20℃）
Stability :Stable. Flammable. Incompatible with strong oxidizing agents, water, alkalies, mineral acids.
InChIKey :BOTDANWDWHJENH-UHFFFAOYSA-N
CAS DataBase Reference :78-10-4(CAS DataBase Reference)
NIST Chemistry Reference :Silicic acid (H4sio4), tetraethyl ester(78-10-4)
EPA Substance Registry System :Tetraethyl silicate (78-10-4)
Safety Information
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Description
Tetraethoxysilane is the main precursor material for the synthesis of zeolites and silicon dioxide, which is used in semiconductor industry. It is widely used as cross linking agents in silicon polymers and in aerogel preparations.More related product prices
Tetraethylammonium bromide Diethoxymethylsilane Phenyltriethoxysilane Triethoxysilane Methyltriethoxysilane Ethylparaben Ethyl acetate Trimethoxysilane Triethyl phosphate SILICON TETRAACETATE Ethyl acrylate Diethoxydimethylsilane Etanol Vinyltrimethoxysilane Tetraethylammonium hydroxide Triethylenetetramine Triethoxyvinylsilane DimethyldimethoxysilaneRelated product price
- Tetraethylammonium bromide
$7-4335.33 - Diethoxymethylsilane
$28-800 - Phenyltriethoxysilane
$9-383
Suppliers and manufacturers
CD Chemical Group Limited
Dongguan City Betterly New Materials co.,Ltd
Aladdin Scientific
Hebei Weibang Biotechnology Co., Ltd
