ChemicalBook > CAS DataBase List > Trimethoxysilane

Trimethoxysilane

Product Name
Trimethoxysilane
CAS No.
2487-90-3
Chemical Name
Trimethoxysilane
Synonyms
HSi(OCH3)3;TriMethoxysilyl;trimethoxylsiloxane;DK696;AR95.0%;DKFELEX0085;DKFELEX0179;trimethoxy-silan;TRIMETHOXYSILANE;Silane, trimethoxy-
CBNumber
CB4305792
Molecular Formula
C3H10O3Si
Formula Weight
122.2
MOL File
2487-90-3.mol
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Trimethoxysilane Property

Melting point:
−115 °C(lit.)
Boiling point:
81 °C(lit.)
Density 
0.96 g/mL at 25 °C(lit.)
vapor density 
>1 (vs air)
vapor pressure 
<7.2 mm Hg ( 20 °C)
refractive index 
n20/D 1.358(lit.)
Flash point:
24 °F
storage temp. 
Flammables area
solubility 
Chloroform (Sparingly), Methanol (Sparingly)
form 
liquid
Specific Gravity
0.860
Hydrolytic Sensitivity
7: reacts slowly with moisture/water
BRN 
1697990
Stability:
May decompose upon exposure to air or water. Incompatible with strong oxidizing agents, strong bases, strong acids.
InChIKey
YUYCVXFAYWRXLS-UHFFFAOYSA-N
CAS DataBase Reference
2487-90-3(CAS DataBase Reference)
EPA Substance Registry System
Trimethoxysilane (2487-90-3)
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Safety

Hazard Codes 
F,T+
Risk Statements 
11-26-36
Safety Statements 
16-36/37/39-45
RIDADR 
UN 3384 6.1/PG 1
WGK Germany 
3
RTECS 
VV6750000
F 
10
TSCA 
Yes
HazardClass 
6.1(a)
PackingGroup 
I
HS Code 
29319090
Hazardous Substances Data
2487-90-3(Hazardous Substances Data)
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Hazard and Precautionary Statements (GHS)

Symbol(GHS)
Signal word
Danger
Hazard statements

H225Highly Flammable liquid and vapour

H319Causes serious eye irritation

H330Fatal if inhaled

Precautionary statements

P210Keep away from heat/sparks/open flames/hot surfaces. — No smoking.

P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

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N-Bromosuccinimide Price

Sigma-Aldrich
Product number
282626
Product name
Trimethoxysilane
Purity
95%
Packaging
25g
Price
$155
Updated
2023/06/20
Sigma-Aldrich
Product number
282626
Product name
Trimethoxysilane
Purity
95%
Packaging
100g
Price
$432
Updated
2023/06/20
TRC
Product number
T795748
Product name
Trimethoxysilane
Packaging
5g
Price
$130
Updated
2021/12/16
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Trimethoxysilane Chemical Properties,Usage,Production

Chemical Properties

Colorless clear liquid

Uses

Trimethoxysilane is used as a catalyst in the hydrogenation of furfural to furfuryl alcohol.

General Description

A colorless liquid. Slightly soluble in water and denser than water. Hence floats on water. Very toxic by ingestion, inhalation or skin absorption. May also be corrosive to skin and eyes.

Air & Water Reactions

Highly flammable. Slightly soluble in water.

Reactivity Profile

Trimethoxysilane may accumulate static electricity; hazardous polymerization may occur.

Health Hazard

May cause toxic effects if inhaled or ingested/swallowed. Contact with substance may cause severe burns to skin and eyes. Fire will produce irritating, corrosive and/or toxic gases. Vapors may cause dizziness or suffocation. Runoff from fire control or dilution water may cause pollution.

Fire Hazard

Flammable/combustible material. May be ignited by heat, sparks or flames. Vapors may form explosive mixtures with air. Vapors may travel to source of ignition and flash back. Most vapors are heavier than air. They will spread along ground and collect in low or confined areas (sewers, basements, tanks). Vapor explosion hazard indoors, outdoors or in sewers. Runoff to sewer may create fire or explosion hazard. Containers may explode when heated. Many liquids are lighter than water.

Flammability and Explosibility

Flammable

Safety Profile

Moderately toxic by inhalation. Mildly toxic by ingestion and skin contact. When heated to decomposition it emits acrid smoke and irritating fumes.

Purification Methods

Likely impurities are Si(OMe)4 and H2Si(OMe)2. Efficient fractionation is essential for removing these impurities [IR: Sternbach & MacDiarmid J Am Chem Soc 81 5109 1959, Heilfrich & Hausen Chem Ber 57 795 1924, Beilstein 1 IV 1266.]

Trimethoxysilane Preparation Products And Raw materials

Raw materials

Preparation Products

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Trimethoxysilane Suppliers

Belgium 2 China 292 Europe 1 France 2 Germany 3 India 3 Japan 2 Russia 1 Singapore 1 Switzerland 1 United Kingdom 8 United States 28 Global 344
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View Lastest Price from Trimethoxysilane manufacturers

airuikechemical co., ltd.
Product
trimethoxysilane 2487-90-3
Price
US $0.00-0.00/g
Min. Order
1g
Purity
99.99%
Supply Ability
20 tons
Release date
2024-07-12
Henan Fengda Chemical Co., Ltd
Product
Trimethoxysilane 2487-90-3
Price
US $8.00-0.60/KG
Min. Order
1KG
Purity
99%
Supply Ability
g-kg-tons, free sample is available
Release date
2024-01-14
Hebei Mojin Biotechnology Co., Ltd
Product
Trimethoxysilane 2487-90-3
Price
US $0.00/KG
Min. Order
1KG
Purity
99%
Supply Ability
50000KG/month
Release date
2023-06-25

2487-90-3, TrimethoxysilaneRelated Search:

Tetraethyl orthosilicate Trimethoxysilylpropanethiol Tetramethyl orthosilicate Methyltriethoxysilane Triethoxysilane 3-Aminopropyl-methyl-diethoxysilane 1,1,1,3,5,5,5-Heptamethyltrisiloxane TRIMETHYLSULFOXONIUM BROMIDE Chlorotrimethylsilane Triisopropylsilyl chloride TRIISOPROPYLSILYL TRIFLUOROMETHANESULFONATE Trimethoxypropylsilane Trimethylsilyl cyanide Trimethylsilyl trifluoromethanesulfonate Trimethyl-pyrazine Trimethylsilylacetylene Trimethyl thiazole Trimethyl orthobenzoate

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