Methyltrichlorosilane
Names
[ CAS No. ]:
75-79-6
[ Name ]:
Methyltrichlorosilane
[Synonym ]:
Methylsilicochloroform
methyl trichlorosilane
Trichloro(methyl)silane
SiCH3Cl3
methyltrichloromonosilane
Methyltrichlosilane
Luperox 118
UNII-UIR5I18638
Methylsilichloroform
Methylsilyl trichloride
EINECS 200-902-6
CM9000
methyl-trichlorsilan
MFCD00000481
Silane, methyltrichloro-
Methyltrichlorosilane
Trichloromethylsilane
Perhexa 25Z
Trichlor-methylsilan
Kayaester AB
Silane, trichloromethyl-
CH3SiCl3
Chemical & Physical Properties
[ Density]:
1.3±0.1 g/cm3
[ Boiling Point ]:
73.5±3.0 °C at 760 mmHg
[ Melting Point ]:
-77 °C
[ Molecular Formula ]:
CH3Cl3Si
[ Molecular Weight ]:
149.479
[ Flash Point ]:
-15.0±0.0 °C
[ Exact Mass ]:
147.906952
[ LogP ]:
4.19
[ Vapour density ]:
5.2 (vs air)
[ Vapour Pressure ]:
124.5±0.1 mmHg at 25°C
[ Index of Refraction ]:
1.434
[ Stability ]:
Stable, but reacts violently with water. Highly flammable. Incompatible with moisture, water, strong bases, strong acids, strong oxidizing agents.
[ Water Solubility ]:
REACTS
[ Freezing Point ]:
-77.8℃
MSDS
Toxicological Information
CHEMICAL IDENTIFICATION
- RTECS NUMBER :
- VV4550000
- CHEMICAL NAME :
- Silane, methyltrichloro-
- CAS REGISTRY NUMBER :
- 75-79-6
- BEILSTEIN REFERENCE NO. :
- 1361381
- LAST UPDATED :
- 199701
- DATA ITEMS CITED :
- 10
- MOLECULAR FORMULA :
- C-H3-Cl3-Si
- MOLECULAR WEIGHT :
- 149.48
- WISWESSER LINE NOTATION :
- G-SI-GG1
HEALTH HAZARD DATA
ACUTE TOXICITY DATA
- TYPE OF TEST :
- Standard Draize test
- ROUTE OF EXPOSURE :
- Administration onto the skin
- SPECIES OBSERVED :
- Rodent - rabbit
- REFERENCE :
- ATDAEI Acute Toxicity Data. Journal of the American College of Toxicology, Part B. (Mary Ann Liebert, Inc., 1651 Third Ave., New York, NY 10128) V.1- 1990- Volume(issue)/page/year: 12,571,1993
- TYPE OF TEST :
- Standard Draize test
- ROUTE OF EXPOSURE :
- Administration into the eye
- SPECIES OBSERVED :
- Rodent - rabbit
- REFERENCE :
- 85JCAE "Prehled Prumyslove Toxikologie; Organicke Latky," Marhold, J., Prague, Czechoslovakia, Avicenum, 1986 Volume(issue)/page/year: -,1219,1986 ** ACUTE TOXICITY DATA **
- TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Oral
- SPECIES OBSERVED :
- Rodent - rat
- DOSE/DURATION :
- 1620 uL/kg
- TOXIC EFFECTS :
- Lungs, Thorax, or Respiration - dyspnea Gastrointestinal - hypermotility, diarrhea Gastrointestinal - other changes
- REFERENCE :
- ATDAEI Acute Toxicity Data. Journal of the American College of Toxicology, Part B. (Mary Ann Liebert, Inc., 1651 Third Ave., New York, NY 10128) V.1- 1990- Volume(issue)/page/year: 12,571,1993
- TYPE OF TEST :
- LC50 - Lethal concentration, 50 percent kill
- ROUTE OF EXPOSURE :
- Inhalation
- SPECIES OBSERVED :
- Rodent - rat
- DOSE/DURATION :
- 450 ppm/4H
- TOXIC EFFECTS :
- Details of toxic effects not reported other than lethal dose value
- REFERENCE :
- 85JCAE "Prehled Prumyslove Toxikologie; Organicke Latky," Marhold, J., Prague, Czechoslovakia, Avicenum, 1986 Volume(issue)/page/year: -,1219,1986
- TYPE OF TEST :
- LDLo - Lowest published lethal dose
- ROUTE OF EXPOSURE :
- Intraperitoneal
- SPECIES OBSERVED :
- Rodent - rat
- DOSE/DURATION :
- 30 mg/kg
- TOXIC EFFECTS :
- Details of toxic effects not reported other than lethal dose value
- REFERENCE :
- JIHTAB Journal of Industrial Hygiene and Toxicology. (Cambridge, MA) V.18-31, 1936-49. For publisher information, see AEHLAU. Volume(issue)/page/year: 30,332,1948
- TYPE OF TEST :
- LC50 - Lethal concentration, 50 percent kill
- ROUTE OF EXPOSURE :
- Inhalation
- SPECIES OBSERVED :
- Rodent - mouse
- DOSE/DURATION :
- 180 mg/m3/2H
- TOXIC EFFECTS :
- Details of toxic effects not reported other than lethal dose value
- REFERENCE :
- TPKVAL Toksikologiya Novykh Promyshlennykh Khimicheskikh Veshchestv. Toxicology of New Industrial Chemical Substances. For English translation, see TNICS*. (Izdatel'stvo Meditsina, Moscow, USSR) No.1- 1961- Volume(issue)/page/year: 3,23,1961
- TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Administration onto the skin
- SPECIES OBSERVED :
- Rodent - rabbit
- DOSE/DURATION :
- 840 uL/kg
- TOXIC EFFECTS :
- Behavioral - altered sleep time (including change in righting reflex) Liver - other changes Nutritional and Gross Metabolic - weight loss or decreased weight gain
- REFERENCE :
- ATDAEI Acute Toxicity Data. Journal of the American College of Toxicology, Part B. (Mary Ann Liebert, Inc., 1651 Third Ave., New York, NY 10128) V.1- 1990- Volume(issue)/page/year: 12,571,1993 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOHS - National Occupational Hazard Survey (1974) NOHS Hazard Code - 83302 No. of Facilities: 10 (estimated) No. of Industries: 1 No. of Occupations: 1 No. of Employees: 60 (estimated) NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - 83302 No. of Facilities: 63 (estimated) No. of Industries: 2 No. of Occupations: 6 No. of Employees: 1755 (estimated) No. of Female Employees: 1191 (estimated)
Safety Information
[ Symbol ]:
GHS02, GHS05, GHS06
[ Signal Word ]:
Danger
[ Hazard Statements ]:
H225-H302 + H312-H314-H331
[ Supplemental HS ]:
Corrosive to the respiratory tract., Reacts violently with water.
[ Precautionary Statements ]:
P210-P261-P280-P303 + P361 + P353-P305 + P351 + P338-P370 + P378
[ Personal Protective Equipment ]:
Faceshields;full-face respirator (US);Gloves;Goggles;multi-purpose combination respirator cartridge (US);type ABEK (EN14387) respirator filter
[ Hazard Codes ]:
F:Flammable
[ Risk Phrases ]:
R11;R14;R36/37/38
[ Safety Phrases ]:
S26-S39
[ RIDADR ]:
UN 1250 3/PG 1
[ WGK Germany ]:
1
[ RTECS ]:
VV4550000
[ Packaging Group ]:
I
[ Hazard Class ]:
3
[ HS Code ]:
29310095
Synthetic Route
Precursor & DownStream
Precursor
DownStream
Customs
[ HS Code ]: 29310095
Articles
Clin. Chim. Acta 157(2) , 191-8, (1986)
An enzyme electrode is described based upon the enzyme lactate oxidase (EC 1.1.3.2) coupled to an H2O2 sensor. Use of an organosilane-treated microporous membrane over the enzyme layer, allows respons...
Theoretical study of the pyrolysis of methyltrichlorosilane in the gas phase. 3. Reaction rate constant calculations.J. Phys. Chem. A 114(6) , 2384-92, (2010)
The rate constants for the gas-phase reactions in the silicon carbide chemical vapor deposition of methyltrichlorosilane (Ge, Y. B.; Gordon, M. S.; Battaglia, F.; Fox, R. O. J. Phys. Chem. A 2007, 111...
Theoretical study of the pyrolysis of methyltrichlorosilane in the gas phase. 2. Reaction paths and transition states.J. Phys. Chem. A 111(8) , 1475-86, (2007)
The kinetics for the previously proposed 114-reaction mechanism for the chemical vapor deposition (CVD) process that leads from methyltrichlorosilane (MTS) to silicon carbide (SiC) are examined. Among...