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线性分子式:
(C2H5O)4Si
化学文摘社编号:
分子量:
208.33
UNSPSC Code:
12352103
EC Index Number:
201-083-8
NACRES:
NA.22
MDL number:
Grade:
synthesis grade
Assay:
≥99% (GC)
Bp:
168.0 °C/1013 hPa
Vapor pressure:
2 hPa ( 20 °C)
产品名称
原硅酸四乙酯, for synthesis
SMILES string
[Si](OCC)(OCC)(OCC)OCC
InChI
1S/C8H20O4Si/c1-5-9-13(10-6-2,11-7-3)12-8-4/h5-8H2,1-4H3
InChI key
BOTDANWDWHJENH-UHFFFAOYSA-N
grade
synthesis grade
vapor pressure
2 hPa ( 20 °C)
assay
≥99% (GC)
form
liquid
autoignition temp.
230 °C
potency
6270 mg/kg LD50, oral (Rat)
5860 mg/kg LD50, skin (Rabbit)
expl. lim.
1.3-23 % (v/v)
dilution
(for synthesis)
pH
7 (20 °C)
bp
168.0 °C/1013 hPa
mp
-85.5 °C
transition temp
flash point 45 °C
density
0.94 g/cm3 at 20 °C
storage temp.
2-30°C
Quality Level
Analysis Note
含量测定(GC,area%): ≥ 99.0 %(a/a)
密度(d 20 °C/ 4 °C):0.932 - 0.934
同一性(IR):通过测试
密度(d 20 °C/ 4 °C):0.932 - 0.934
同一性(IR):通过测试
Application
- Effects of Tetraethyl Orthosilicate (TEOS) on the Light and Temperature Stability of a Pigment from Beta vulgaris and Its Potential Food Industry Applications:研究正硅酸乙酯(TEOS)如何提高甜菜天然色素的稳定性,揭示它的食品色素改进潜力(GA Molina et al., 2014)。
- Characterization of Chemical Vapor Deposited Tetraethyl Orthosilicate based SiO2 Films for Photonic Devices:详述用TEOS生产二氧化硅膜,提高光器件性能(J Kotcharlakota et al., 2016)。
- Comprehensive performances of carbon nanotube reinforced foam concrete with tetraethyl orthosilicate impregnation:对泡沫混凝土的结构研究有重大进展,对于建筑技术有重大意义(J Luo et al., 2017)。
- Mesoporous bis (trimethoxysilyl) hexane (BTMSH)/tetraethyl orthosilicate (TEOS)-based hybrid silica aerogel membranes for CO2 capture:开发创新气凝胶膜用于有效捕获CO2,为环境管理策略贡献力量(YF Lin et al., 2016)。
Features and Benefits
TEOS能在碱性、酸性和中性条件下聚合,使其成为有利的前体
General description
正硅酸乙酯(TEOS)是正硅酸的乙酯,是最容易获得的一种硅源。它主要用作硅聚合物的交联剂和硅薄膜制备的前体。
signalword
Warning
Hazard Classifications
Acute Tox. 4 Inhalation - Eye Irrit. 2 - Flam. Liq. 3 - STOT SE 3
target_organs
Respiratory system
存储类别
3 - Flammable liquids
wgk
WGK 1
flash_point_f
113.0 °F - closed cup
flash_point_c
45 °C - closed cup
法规信息
危险化学品
此项目有
Catalytic Cracking of n-Dodecane to Chemicals: Effect of Variable-Morphological ZSM-5 Zeolites Synthesized Using Various Silica Sources
Sanhoob MA, et al.
ACS Omega, 7(12), 10317-10329 (2022)
Effects of tetraethyl orthosilicate (TEOS) on the light and temperature stability of a pigment from Beta vulgaris and its potential food industry applications
Molina GA, et al.
Molecules (Basel), 19(11), 17985-18002 (2014)
Real-time study of CVD growth of silicon oxide on rutile TiO2 (110) using tetraethyl orthosilicate
Chaudhary S, et al.
The Journal of Physical Chemistry C, 119(33), 19149-19161 (2015)
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