Methyltriethoxysilane
Suppliers
Names
[ CAS No. ]:
2031-67-6
[ Name ]:
Methyltriethoxysilane
[Synonym ]:
Methyltriethoxysilane
Silquest A
ici-ep5850
Methyltriethoxylsilane
Dynasylan MTES
Triethoxy(methyl)silane
A 162
Triethoxymethylsilane
HD-120
CM9050
MTES
Triethoxysilylmethane
Silane, methyltriethoxy-
Silane, triethoxymethyl-
Methyl triethoxysilane
ND-27
EINECS 217-983-9
MFCD00009066
monomethyl triethoxy silane
Chemical & Physical Properties
[ Density]:
0.9±0.1 g/cm3
[ Boiling Point ]:
144.5±8.0 °C at 760 mmHg
[ Melting Point ]:
<-40ºC
[ Molecular Formula ]:
C7H18O3Si
[ Molecular Weight ]:
178.301
[ Flash Point ]:
23.9±0.0 °C
[ Exact Mass ]:
178.102524
[ PSA ]:
27.69000
[ LogP ]:
1.73
[ Vapour density ]:
>1 (vs air)
[ Vapour Pressure ]:
6.4±0.3 mmHg at 25°C
[ Index of Refraction ]:
1.402
[ Stability ]:
Stability Moisture-sensitive. Flammable - note low flash point. Incompatible with acids, oxidizing agents, moisture, water.
[ Water Solubility ]:
INSOLUBLE
MSDS
Toxicological Information
CHEMICAL IDENTIFICATION
- RTECS NUMBER :
- VV4640000
- CHEMICAL NAME :
- Silane, methyltriethoxy-
- CAS REGISTRY NUMBER :
- 2031-67-6
- BEILSTEIN REFERENCE NO. :
- 1742453
- LAST UPDATED :
- 199701
- DATA ITEMS CITED :
- 7
- MOLECULAR FORMULA :
- C7-H18-O3-Si
- MOLECULAR WEIGHT :
- 178.34
- WISWESSER LINE NOTATION :
- 2O-SI-1&O2&O2
HEALTH HAZARD DATA
ACUTE TOXICITY DATA
- TYPE OF TEST :
- Standard Draize test
- ROUTE OF EXPOSURE :
- Administration onto the skin
- SPECIES OBSERVED :
- Rodent - rabbit
- REFERENCE :
- 85JCAE "Prehled Prumyslove Toxikologie; Organicke Latky," Marhold, J., Prague, Czechoslovakia, Avicenum, 1986 Volume(issue)/page/year: -,1229,1986
- TYPE OF TEST :
- Standard Draize test
- ROUTE OF EXPOSURE :
- Administration into the eye
- 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: 12,575,1993 ** ACUTE TOXICITY DATA **
- TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Oral
- SPECIES OBSERVED :
- Rodent - rat
- DOSE/DURATION :
- 8570 uL/kg
- TOXIC EFFECTS :
- Behavioral - somnolence (general depressed activity) Gastrointestinal - changes in structure or function of salivary glands 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: 12,575,1993
- TYPE OF TEST :
- LCLo - Lowest published lethal concentration
- ROUTE OF EXPOSURE :
- Inhalation
- SPECIES OBSERVED :
- Rodent - rat
- DOSE/DURATION :
- 4000 ppm/8H
- TOXIC EFFECTS :
- Behavioral - tremor Lungs, Thorax, or Respiration - dyspnea Gastrointestinal - changes in structure or function of salivary glands
- 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 :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Administration onto the skin
- SPECIES OBSERVED :
- Rodent - rabbit
- DOSE/DURATION :
- 13300 uL/kg
- TOXIC EFFECTS :
- Behavioral - somnolence (general depressed activity) Behavioral - ataxia Lungs, Thorax, or Respiration - 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: 12,575,1993 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - X6921 No. of Facilities: 339 (estimated) No. of Industries: 2 No. of Occupations: 3 No. of Employees: 3473 (estimated)
Safety Information
[ Symbol ]:
GHS02
[ Signal Word ]:
Warning
[ Hazard Statements ]:
H226
[ Precautionary Statements ]:
P210-P403 + P235
[ Personal Protective Equipment ]:
Eyeshields;Faceshields;full-face respirator (US);Gloves;multi-purpose combination respirator cartridge (US);type ABEK (EN14387) respirator filter
[ Hazard Codes ]:
Xi
[ Risk Phrases ]:
R10
[ Safety Phrases ]:
S16
[ RIDADR ]:
UN 1993 3/PG 3
[ WGK Germany ]:
3
[ RTECS ]:
VV4640000
[ Packaging Group ]:
III
[ Hazard Class ]:
3
[ HS Code ]:
29310095
Synthetic Route
Precursor & DownStream
Precursor
DownStream
Customs
[ HS Code ]: 2931900090
[ Summary ]:
2931900090. other organo-inorganic compounds. VAT:17.0%. Tax rebate rate:13.0%. Supervision conditions:AB(certificate of inspection for goods inward,certificate of inspection for goods outward). MFN tariff:6.5%. General tariff:30.0%
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