Methyltrimethoxysilane

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Names

[ CAS No. ]:
1185-55-3

[ Name ]:
Methyltrimethoxysilane

[Synonym ]:
Silane, trimethoxymethyl-
Dynasylan MTMS
Methyltrimethoxysilane
unioncarbidea-163
Metyltrimethoxysilane
MTMS
Z 6070
CM9100
Trimethoxymethylsilane
monomethyl trimethoxy silane
Trimethoxy(methyl)silane
Methyltrimethoxysilane in stock
Methyltrimethoxysilane,AcroSeal
Trimethoxymethylsila
HD-119
EINECS 214-685-0
MFCD00008342
silanea-163

Chemical & Physical Properties

[ Density]:
0.9±0.1 g/cm3

[ Boiling Point ]:
102.5±0.0 °C at 760 mmHg

[ Melting Point ]:
<-70ºC

[ Molecular Formula ]:
C4H12O3Si

[ Molecular Weight ]:
136.222

[ Flash Point ]:
11.1±0.0 °C

[ Exact Mass ]:
136.055573

[ PSA ]:
27.69000

[ LogP ]:
0.14

[ Vapour Pressure ]:
38.8±0.1 mmHg at 25°C

[ Index of Refraction ]:
1.379

[ Storage condition ]:
2-8°C

[ Stability ]:
Stable, but moisture sensitive. Highly flammable. Incompatible with water, strong acids, strong oxidizing agents.

[ Water Solubility ]:
decomposes

MSDS

Click to get detail MSDS

Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :
VV4650000
CHEMICAL NAME :
Silane, methyltrimethoxy-
CAS REGISTRY NUMBER :
1185-55-3
LAST UPDATED :
199710
DATA ITEMS CITED :
9
MOLECULAR FORMULA :
C4-H12-O3-Si
MOLECULAR WEIGHT :
136.25
WISWESSER LINE NOTATION :
1O-SI-1&O1&O1

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
Open irritation test
ROUTE OF EXPOSURE :
Administration onto the skin
SPECIES OBSERVED :
Rodent - rabbit
REFERENCE :
UCDS** Union Carbide Data Sheet. (Union Carbide Corp., 39 Old Ridgebury Rd., Danbury, CT 06817) Volume(issue)/page/year: 1/17/1972
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: -,1221,1986 ** ACUTE TOXICITY DATA **
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
12300 uL/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
UCDS** Union Carbide Data Sheet. (Union Carbide Corp., 39 Old Ridgebury Rd., Danbury, CT 06817) Volume(issue)/page/year: 1/17/1972
TYPE OF TEST :
LD - Lethal dose
ROUTE OF EXPOSURE :
Administration onto the skin
SPECIES OBSERVED :
Rodent - rabbit
DOSE/DURATION :
>10 mL/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
UCDS** Union Carbide Data Sheet. (Union Carbide Corp., 39 Old Ridgebury Rd., Danbury, CT 06817) Volume(issue)/page/year: 1/17/1972 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOHS - National Occupational Hazard Survey (1974) NOHS Hazard Code - M3881 No. of Facilities: 19 (estimated) No. of Industries: 1 No. of Occupations: 2 No. of Employees: 151 (estimated) NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - M3881 No. of Facilities: 2198 (estimated) No. of Industries: 37 No. of Occupations: 44 No. of Employees: 97031 (estimated) No. of Female Employees: 33893 (estimated)

Safety Information

[ Symbol ]:

GHS02, GHS07

[ Signal Word ]:
Danger

[ Hazard Statements ]:
H225-H317

[ Precautionary Statements ]:
P210

[ Personal Protective Equipment ]:
Eyeshields;Faceshields;full-face respirator (US);Gloves;multi-purpose combination respirator cartridge (US);type ABEK (EN14387) respirator filter

[ Hazard Codes ]:
F:Flammable

[ Risk Phrases ]:
R11

[ Safety Phrases ]:
S16

[ RIDADR ]:
UN 1993 3/PG 2

[ WGK Germany ]:
3

[ RTECS ]:
VV4650000

[ Packaging Group ]:
II

[ Hazard Class ]:
3

[ HS Code ]:
29310095

Synthetic Route

Click to get detail synthetic route

Precursor & DownStream

Precursor

  • Methyltrichlorosilane
  • [methoxy(phenyl)methyl]benzene
  • Methanol
  • Silicon
  • dimethoxymethane
  • tris(ethylthio)methylsilane
  • Sodium Methylate
  • 1,2-Dimethyl tetramethoxydisilane
  • Trimethyl Methoxysilane
  • methyltrifluorosilane

DownStream

  • Trimethyl Methoxysilane
  • methyltrifluorosilane
  • fluorodimethoxy(methyl)silane
  • difluoro(methoxy)(methyl)silane
  • Dimethoxy(dimethyl)silane
  • fluoromethoxy(dimethyl)silane
  • Dimethoxy(methyl)(3,3,3-trifluoropropyl)silane
  • Octamethylsilsesquioxane
  • Methyl Tris(Trimethylsiloxy)Silane
  • BIS(TRIMETHYLSILOXY)METHYLMETHOXYSILANE

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%

Articles

Simultaneous analysis of basic, acidic and neutral compounds on an endcapped octadecylsilane silica-based monolith by pressure-assisted capillary electrochromatography.

Electrophoresis 29(4) , 944-51, (2008)

This simultaneous separation of basic, acidic and neutral analytes by pressure-assisted CEC (pCEC) using a hybrid (tetramethoxysilane and methyltrimethoxysilane) silica-based monolith, chemically modi...

Preparation and catalytic performance of lipases encapsulated in sol-gel materials.

Biosci. Biotechnol. Biochem. 66(1) , 221-3, (2002)

Three kinds of lipases (from Candida antarctica, Pseudomonas cepacia, and Pseudomonas fluorescens) were encapsulated in inorganic matrices by the sol-gel method in order to synthesize chiral compounds...

Anion exchange silica monolith for capillary liquid chromatography.

Anal. Bioanal. Chem 391(7) , 2551-6, (2008)

An anion exchange monolithic silica capillary column was prepared by surface modification of a hybrid monolithic silica capillary column prepared from a mixture of tetramethoxysilane (TMOS) and methyl...


More Articles

Related Compounds

  • (2R,3R,4R,5R)-5-(6-Amino-2-fluoro-9H-purin-9-yl)-2-((bis(4-methoxyphenyl)(phenyl)methoxy)methyl)-4-((tert-butyldimethylsilyl)oxy)tetrahydrofuran-3-yl (2-cyanoethyl) diisopropylphosphoramidite
  • (2R,3S,5R)-5-(6-Amino-2-fluoro-9H-purin-9-yl)-2-((bis(4-methoxyphenyl)(phenyl)methoxy)methyl)tetrahydrofuran-3-yl (2-cyanoethyl) diisopropylphosphoramidite
  • Tetrahydro-3-methyl-2H-1,3-thiazine
  • 5,6-dichloro-N-[4-(4-ethylpiperazin-1-yl)phenyl]pyridine-3-carboxamide
  • 1-(1H-benzimidazol-2-yl)-6-(thiophen-2-yl)-1,5,6,7-tetrahydro-4H-indazol-4-one
  • Methyl 7-methyl[1,2,4]triazolo[1,5-a]pyrimidine-6-carboxylate
  • N-[3-({[(4-chlorophenyl)sulfanyl]acetyl}amino)propyl]pyrazine-2-carboxamide
  • 1-(4-Methylphenyl)prop-2-en-1-amine
  • 2-{[4-(Benzenesulfonyl)-2-(4-chlorophenyl)-1,3-oxazol-5-yl]sulfonyl}-1-(pyrrolidin-1-yl)ethan-1-one
  • 1-(2-Bromoethyl)-5-chloroindole
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