8.00658

原硅酸四乙酯

for synthesis

• 同義詞: 原硅酸四乙酯, 四乙氧基硅烷
• 線性公式: (C₂H₅O)₄Si
• CAS號碼: 78-10-4
• 分子量：: 208.33
• MDL號碼: MFCD00009062
• 分類程式碼代碼: 12352103
• 酶委員會索引編號: 201-083-8

屬性

• 蒸汽壓力: 2 hPa ( 20 °C)
• 品質等級: 200
• 化驗: ≥99% (GC)
• 形狀: liquid
• 自燃溫度: 230 °C
• 效力: 6270 mg/kg LD₅₀, oral (Rat); 5860 mg/kg LD₅₀, skin (Rabbit)
• expl. lim.: 1.3-23 % (v/v)
• pH值: 7 (20 °C)
• bp: 168.0 °C/1013 hPa
• mp: -85.5 °C
• 轉變溫度: flash point 45 °C
• 密度: 0.94 g/cm³ at 20 °C
• 儲存溫度: 2-30°C
• InChI: 1S/C8H20O4Si/c1-5-9-13(10-6-2,11-7-3)12-8-4/h5-8H2,1-4H3
• InChI 密鑰: BOTDANWDWHJENH-UHFFFAOYSA-N

描述

一般說明

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。

應用

• Effects of Tetraethyl Orthosilicate (TEOS) on the Light and Temperature Stability of a Pigment from Beta vulgaris and Its Potential Food Industry Applications: This study explores how TEOS can enhance the stability of natural pigments from beets, suggesting potential for improved food colorants (GA Molina et al., 2014).
• Characterization of Chemical Vapor Deposited Tetraethyl Orthosilicate based SiO2 Films for Photonic Devices: The study details the use of TEOS in the production of silicon dioxide films for enhanced photonic device performance (J Kotcharlakota et al., 2016).
• Comprehensive performances of carbon nanotube reinforced foam concrete with tetraethyl orthosilicate impregnation: Research indicates significant enhancements in the structural properties of foam concrete, essential for building technology (J Luo et al., 2017).
• Mesoporous bis (trimethoxysilyl) hexane (BTMSH)/tetraethyl orthosilicate (TEOS)-based hybrid silica aerogel membranes for CO2 capture: Highlights the development of innovative aerogel membranes for effective CO2 capture, contributing to environmental management strategies (YF Lin et al., 2016).

特點和優勢

TEOS能在碱性、酸性和中性条件下聚合，使其成为有利的前体

分析報告

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

安全資訊

• 象形圖: GHS02,GHS07
• 訊號詞: Warning
• 危險聲明: H226 - H319 - H332 - H335
• 防範說明: P210 - P233 - P240 - P241 - P304 + P340 + P312 - P305 + P351 + P338
• 危險分類: Acute Tox. 4 Inhalation - Eye Irrit. 2 - Flam. Liq. 3 - STOT SE 3
• 標靶器官: Respiratory system
• 儲存類別代碼: 3 - Flammable liquids
• 水污染物質分類（WGK）: WGK 1
• 閃點（°F）: 113.0 °F - closed cup
• 閃點（°C）: 45 °C - closed cup