• USA Home
  • 8.21667 - Trichloroethylsilane

8.21667 EMD Millipore


Trichloroethylsilane for synthesis. CAS 115-21-9, EC Number 204-072-6, chemical formula C₂H₅SiCl₃., for synthesis

Synonym: Ethyltrichlorosilane

  • CAS Number 115-21-9

  • Linear Formula C₂H₅Cl₃Si

  • Molecular Weight 163.5 g/mol

  •  EC Number 204-072-6



packaging   25 ml in Glass btl. pl.coat. (8216670025)
bp   98 °C (1013 hPa)
expl. lim.     2.68 %(V)
vapor pressure   36 hPa (20 °C)
density   1.24 g/cm3 (20 °C)
flash point   14 °C
autoignition temp.   385 °C
mp   -105 °C
LD 50 oral   LD50 Rat 1330 mg/kg
shipped in   ambient
storage temp.   Store below +30°C.

Price and Availability

Ask us for bulk and customization needs

My Chemicals
Safety & Documentation

Safety Information

HS Code 
2931 90 00
Hazard Statement(s) 
H225: Highly flammable liquid and vapour.
H302: Harmful if swallowed.
H314: Causes severe skin burns and eye damage.
H335: May cause respiratory irritation.
EUH014: Reacts violently with water.
Precautionary Statement(s) 
P210: Keep away from heat/sparks/open flames/hot surfaces. No smoking.
P280: Wear protective gloves/ protective clothing/ eye protection/ face protection.
P301 + P330 + P331: IF SWALLOWED: Rinse mouth. Do NOT induce vomiting.
P304 + P340: IF INHALED: Remove victim to fresh air and keep at rest in a position comfortable for breathing.
P305 + P351 + P338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
P308 + P310: IF exposed or concerned: immediately call a POISON CENTER or doctor/ physician.
P403 + P235: Store in a well-ventilated place. Keep cool.
Storage class 
3 Flammable liquids
WGK 1 slightly water endangering
Liquid inorganic halides and hydrolysis-sensitive reagents can be carefully stirred dropwise into ice-cool 10% sodium hydroxide solution (Cat. No. 105587) (caution: caustic gases!); container D or E.
Hazard Pictogram(s) 
GHS02  GHS02
Hazard Pictogram(s) 
GHS05  GHS05
Hazard Pictogram(s) 
GHS07  GHS07
Hazard Symbols 
Corrosive  Corrosive
Hazard Symbols 
Flammable  Flammable
Declaration (railroad and road) ADR, RID 
UN 1196 , 3 (8), II
Declaration (transport by air) IATA-DGR 
UN 1196 , 3 (8), II
Declaration (transport by sea) IMDG-Code 
UN 1196 , 3 (8), II
Categories of danger 
highly flammable, harmful, corrosive
R Phrase 
R 11-14-22-34-37
Highly flammable.Reacts violently with water.Harmful if swallowed.Causes burns.Irritating to respiratory system.
S Phrase 
S 7-26-36/37/39-45
Keep container tightly closed.In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.Wear suitable protective clothing, gloves and eye/face protection.In case of accident or if you feel unwell, seek medical advice immediately (show the label where possible).
Protocols & Articles
Related Products

Technical Service:

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Bulk Ordering & Pricing:

Need larger quantities for your development, manufacturing or research applications?