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E-Mail：sales001@bosschemical.com
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| Quantity: | |
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78-10-4
bosschem
78-10-4
Product Description
Product name:Tetraethyl orthosilicate
CAS：78-10-4
MF：C8H20O4Si
MW：208.33
EINECS:201-083-8
Application:
1. Used as insulation material
2. Used as an optical glass treatment and coagulant
3. Used for precision casting
4. As a binder for sand molds
5. Used for chemical resistant coatings and heat-resistant coatings
6. Used for manufacturing fluorescent powder
Specifications :
| Product Name: | Tetraethyl orthosilicate |
| CAS: | 28767 |
| MF: | C8H20O4Si |
| MW: | 208.33 |
| EINECS: | 201-083-8 |
| Mol File: | 78-10-4.mol |
| Tetraethyl orthosilicate Chemical 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.) |
| Fp | 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 | 143,851 |
| 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) | |
| 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) |
| 分析项目 | 技术指标 | 实测结果 |
| SPECIFICATION PROPERTIES | STANDARD | RESULTS |
| 外观 | 无色透明液体 | 无色透明液体 |
| Appearance | Colorless transparent liquid | Colorless transparent liquid |
| 纯度 | ≥99 | 99.1772 |
| Purity（%） | ||
| 密度(20℃)（%） | 0.915-0.945 | 0.935 |
| Density | ||
| 折射率（%） | 1.3750-1.3900 | 1.3788 |
| Refractive index | ||
| 氯离子 CL/ppm（%） | ≤10 | 0.89 |
Product Description
Product name:Tetraethyl orthosilicate
CAS：78-10-4
MF：C8H20O4Si
MW：208.33
EINECS:201-083-8
Application:
1. Used as insulation material
2. Used as an optical glass treatment and coagulant
3. Used for precision casting
4. As a binder for sand molds
5. Used for chemical resistant coatings and heat-resistant coatings
6. Used for manufacturing fluorescent powder
Specifications :
| Product Name: | Tetraethyl orthosilicate |
| CAS: | 28767 |
| MF: | C8H20O4Si |
| MW: | 208.33 |
| EINECS: | 201-083-8 |
| Mol File: | 78-10-4.mol |
| Tetraethyl orthosilicate Chemical 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.) |
| Fp | 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 | 143,851 |
| 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) | |
| 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) |
| 分析项目 | 技术指标 | 实测结果 |
| SPECIFICATION PROPERTIES | STANDARD | RESULTS |
| 外观 | 无色透明液体 | 无色透明液体 |
| Appearance | Colorless transparent liquid | Colorless transparent liquid |
| 纯度 | ≥99 | 99.1772 |
| Purity（%） | ||
| 密度(20℃)（%） | 0.915-0.945 | 0.935 |
| Density | ||
| 折射率（%） | 1.3750-1.3900 | 1.3788 |
| Refractive index | ||
| 氯离子 CL/ppm（%） | ≤10 | 0.89 |