send us an inquiry

LC1344 Chlorotrimethylsilane

for synthesis

Order number	Packaging	Quantity	Price €
AC28344	Glass bottle	100 ml	10.26
AC28344	Glass bottle	500 ml	31.5

Product information
Synonyms	Trimethylchlorosilane, Trimethylsilyl chloride, TMCS
Hill Formula	C₃H₉ClSi
Chemical formula	(CH₃)₃SiCl
HS Code	2931 00 99
EC number	200-900-5
Molar mass	108.64 g/mol
CAS number	75-77-4

Chemical and physical data
Ignition temperature	420 °C DIN 51794
Solubility	(20 °C) Risk of violent reaction.,(decomposition)
Melting point	-58 °C
Molar mass	108.64 g/mol
Density	0.86 g/cm3 (20 °C)
Boiling point	57 °C (1013 hPa)
Vapor pressure	250 hPa (20 °C)
Explosion limit	1.5 – 46 %(V)
Flash point	-20 °C DIN 51755 Part 1

Safety information
R Phrase	R 11-14-35-37 Highly flammable.Reacts violently with water.Causes severe burns.Irritating to respiratory system.
S Phrase	S 7/9-16-26-36/37/39-45 Keep container tightly closed and in a well-ventilated place.Keep away from sources of ignition – No smoking.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).
Categories of danger	highly flammable, corrosive
Hazard Symbol	Flammable Corrosive
Storage class	3 Flammable Liquids
WGK	WGK 1 slightly water endangering
Disposal	24 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.

Transport information
Declaration (transport by sea) IMDG-Code	UN 1298 TRIMETHYLCHLOROSILANE, 3 (8), II, Segregation Group: 1 (Acids)
Declaration (transport by air) IATA-DGR	UN 1298 TRIMETHYLCHLOROSILANE, 3 (8), II

Toxicological data
LD 50 oral	LD50 rat 4868 mg/kg
LD 50 dermal	LD50 rabbit 1530 mg/kg

Specifications
Assay (GC, area%)	≥ 99 %
Density (d 20 °C/ 4 °C)	0.859 – 0.861
Identity (IR)	passes test