8.00658
Tetraethyl orthosilicate
for synthesis
동의어(들):
Tetraethyl orthosilicate, Tetraethoxysilane
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제품정보 (DICE 배송 시 비용 별도)
Linear Formula:
(C2H5O)4Si
CAS 번호:
Molecular Weight:
208.33
UNSPSC Code:
12352103
EC Index Number:
201-083-8
NACRES:
NA.22
MDL number:
Assay:
≥99% (GC)
Grade:
synthesis grade
Bp:
168.0 °C/1013 hPa
Vapor pressure:
2 hPa ( 20 °C)
grade
synthesis grade
Quality Segment
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
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
General description
Tetraethylorthosilicate (TEOS) is the ethyl ester of ortho silicic acid, which is the most readily available silicon source. It is mainly used as a crosslinking agent in silicon polymer and precursor in the preparation of silicon thin films.
Application
- 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).
Features and Benefits
TEOScan polymerize in alkaline, acidic, and neutral conditions, making it anadvantageous precursor
Analysis Note
Assay (GC, area%): ≥ 99.0 % (a/a)
Density (d 20 °C/ 4 °C): 0.932 - 0.934
Identity (IR): passes test
Density (d 20 °C/ 4 °C): 0.932 - 0.934
Identity (IR): passes test
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Warning
Hazard Classifications
Acute Tox. 4 Inhalation - Eye Irrit. 2 - Flam. Liq. 3 - STOT SE 3
target_organs
Respiratory system
저장 등급
3 - Flammable liquids
wgk
WGK 1
flash_point_f
113.0 °F - closed cup
flash_point_c
45 °C - closed cup
hcodes
시험 성적서(COA)
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