Triethoxysilane
Agent Name
Triethoxysilane
CAS Number
998-30-1
Formula
C6-H16-O3-Si
Major Category
Metals
Synonyms
Silane, triethoxy-; [ChemIDplus] UN2929
Category
Metalloid Compounds (Silicon)
Description
Colorless to yellow liquid with a sweetish odor; [AIHA]
Sources/Uses
Used to make organic coupling agents and low-temperature-vulcanizing (LTV) silicone rubbers and elastomers; [HSDB]
Comments
A skin, eye, and respiratory tract irritant; [ICSC] Silanes form explosive mixtures with air; [HSDB] A corrosive substance that can cause injury to the skin, eyes, and respiratory tract; Inhalation may cause chemical pneumonitis and pulmonary edema; Can be absorbed through skin; Effects in high-dose animal studies include acute tubular necrosis, acute pulmonary edema, and abnormal liver function tests; [MSDSonline] See "Trimethoxysilane."
Biomedical References
Exposure Assessment
Vapor Pressure
20.25 mm Hg
Lethal Concentration
LC50 (rat) = 500 mg/m3/2h
Explanatory Notes
Flash point = 26 deg C; [HSDB] The Guide in the Emergency Response Guidebook is for "Toxic liquid, flammable, organic, n.o.s."
ERPG-1
0.5 ppm
ERPG-2
4 ppm
ERPG-3
10 ppm
WEEL
0.05 ppm
Adverse Effects
Toxic Pneumonitis
Yes
Hepatotoxin
Hepatoxic (a) from occupational exposure (secondary effect) or (b) in animal studies or in humans after ingestion
Nephrotoxin
Yes
Dermatotoxin
Skin burns
Diseases, Processes, and Activities Linked to This Agent
Other Information
No other related information on this agent was found.