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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

Customs

[ HS Code ]: 29310095

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