Methyltrimethoxysilane

Modify Date: 2024-01-02 12:24:12

Methyltrimethoxysilane Structure
Methyltrimethoxysilane structure
 Common Name Methyltrimethoxysilane
CAS Number 1185-55-3 Molecular Weight 136.222
Density 0.9±0.1 g/cm3 Boiling Point 102.5±0.0 °C at 760 mmHg
Molecular Formula C4H12O3Si Melting Point <-70ºC
MSDS Chinese USA Flash Point 11.1±0.0 °C
Symbol GHS02 GHS07
GHS02, GHS07		 Signal Word Danger

 Names

Name Trimethoxy(methyl)silane
Synonym More Synonyms

 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

 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
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

 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%

 Articles25

More 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...

 Synonyms

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
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