Triethoxysilane

ChemicalBook > CAS DataBase List > Triethoxysilane

Product Name: Triethoxysilane
CAS No.: 998-30-1
Chemical Name: Triethoxysilane
Synonyms: TES;TRIES;triethoxy-silan;Silane, triethoxy-;DK967;CT2500;HSi(OC2H5)3;DKFELEX0259;TRIETHOXYSILANE;Triethoxysilicane
CBNumber: CB5356887
Molecular Formula: C6H16O3Si
Formula Weight: 164.27
MOL File: 998-30-1.mol

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Triethoxysilane Property

Melting point:: -170°C
Boiling point:: 134-135 °C(lit.)
Density: 0.89 g/mL at 25 °C(lit.)
vapor pressure: 9.21hPa at 20℃
refractive index: n20/D 1.377(lit.)
Flash point:: 80 °F
storage temp.: Store at 0-5°C
solubility: sol diethyl ether, THF, alkanes, aromatic and chlorinated solvents.
form: A liquid
Specific Gravity: 0.8753
Water Solubility: Insoluble in water. Soluble in organic solvents.
Hydrolytic Sensitivity: 7: reacts slowly with moisture/water
Sensitive: Moisture Sensitive
BRN: 1738989
Stability:: Stable, but moisture sensitive. Flammable. Incompatible with strong oxidizing agents, strong acids, strong bases.
InChIKey: QQQSFSZALRVCSZ-UHFFFAOYSA-N
CAS DataBase Reference: 998-30-1(CAS DataBase Reference)
NIST Chemistry Reference: Silane, triethoxy-(998-30-1)
EPA Substance Registry System: Triethoxysilane (998-30-1)

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Safety

Hazard Codes: T+,C,T
Risk Statements: 10-26-34-23/24/25
Safety Statements: 26-28-36/37/39-45
RIDADR: UN 3384 6.1/PG 1
WGK Germany: 3
RTECS: VV6682000
F: 10-21
TSCA: Yes
HazardClass: 6.1
PackingGroup: II
HS Code: 29209090
Hazardous Substances Data: 998-30-1(Hazardous Substances Data)

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Hazard and Precautionary Statements (GHS)

Symbol(GHS)

Signal word

Danger

Hazard statements

H226Flammable liquid and vapour

H302Harmful if swallowed

H315Causes skin irritation

H318Causes serious eye damage

H330Fatal if inhaled

Precautionary statements

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

P280Wear protective gloves/protective clothing/eye protection/face protection.

P301+P312IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell.

P303+P361+P353IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower.

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: 390143
Product name: Triethoxysilane
Purity: 95%
Packaging: 10ml
Price: $54.3
Updated: 2024/03/01

Sigma-Aldrich

Product number: 390143
Product name: Triethoxysilane
Purity: 95%
Packaging: 50ml
Price: $164
Updated: 2024/03/01

Alfa Aesar

Product number: B22063
Product name: Triethoxysilane
Purity: 96%
Packaging: 10g
Price: $45.3
Updated: 2024/03/01

Alfa Aesar

Product number: B22063
Product name: Triethoxysilane
Purity: 96%
Packaging: 50g
Price: $136
Updated: 2024/03/01

Alfa Aesar

Product number: B22063
Product name: Triethoxysilane
Purity: 96%
Packaging: 250g
Price: $490
Updated: 2024/03/01

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Triethoxysilane Chemical Properties,Usage,Production

Description

Triethoxysilane is an organosilicon compound with the formula HSi(OC2H5)3. It is a colourless liquid used in precious metal-catalysed hydrosilylation reactions. The resulting triethoxysilyl groups are often valued for attachment to silica surfaces.Compared to most compounds with Si-H bonds, triethoxysilane exhibits relatively low reactivity. Like most silyl ethers, triethoxysilane is susceptible to hydrolysis. As reducing agent, triethoxysilane can for example be used in reduction of amides, reduction of carbonyl compounds in the presence of cobalt(II) chloride as catalyst, Cu-catalyzed reductive hydroxymethylation of styrenes, and Rh-catalyzed hydrodediazoniation.

Chemical Properties

Colorless, clear liquid

Physical properties

bp 134–135 °C; d 0.89 g cm?3.

Uses

Triethoxysilane is useful reagent for the hydrosilylation of carbon–carbon multiple bonds; reducing agent for carbonyl groups

Uses

Triethoxysilane is used in metal catalyzed hydrosilylation reactions.

Application

Reduces esters in the presence of zinc hydride catalyst. Reduces aldehydes and ketones to alcohols via the silyl ethers in presence of fluoride ion. Gives 1,2-reduction of enones to allyl alcohols.

General Description

Liquid. Used as a reducing agent.

Air & Water Reactions

May become pyrophoric, by generation of silane

Reactivity Profile

Triethoxysilane has been involved in cases where Triethoxysilane has disproportionated, generating silane (SiH4) which has a history of being pyrophoric.

Health Hazard

Toxicity is similar to silanes. Silanes are moderately irritating to skin, eyes, and mucous membranes. Silane compounds are toxic.

Fire Hazard

When heated to decomposition, Triethoxysilane emits acrid smoke and fumes.

Flammability and Explosibility

Highly flammable

Safety Profile

Poison by intravenous route.Moderately toxic by inhalation. Flammable liquid. Whenheated to decomposition it emits acrid smoke andirritating fumes.

Purification Methods

Fractionate it using a column packed with glass helices of ca 15 theoretical plates in an inert atmosphere. Store it in aliquots in sealed ampoules because it is sensitive to moisture. [Spauschus et al. J Am Chem Soc 72 1377 1950, MacKenzie et al. J Am Chem Soc 72 2032 1950, Havill et al. J Org Chem 13 280 1948, Beilstein 1 IV 1359.]

Triethoxysilane Preparation Products And Raw materials

Raw materials

Preparation Products

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View Lastest Price from Triethoxysilane manufacturers

Hebei Yanxi Chemical Co., Ltd.

Product: Triethoxysilane 998-30-1
Price: US $20.00-15.00/KG
Min. Order: 1KG
Purity: 99%
Supply Ability: 5000kg/month
Release date: 2024-05-20

Hebei Chuanghai Biotechnology Co,.LTD

Product: Triethoxysilane 998-30-1
Price: US $10.00/KG
Min. Order: 1KG
Purity: 99.%
Supply Ability: 10 ton
Release date: 2024-08-14

Henan Fengda Chemical Co., Ltd

Product: Triethoxysilane 998-30-1
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

998-30-1, TriethoxysilaneRelated Search:

Chlorotriethylsilane Methyltriethoxysilane Triethoxyvinylsilane Phenyltriethoxysilane Methyltrimethoxysilane Triisopropylsilyl chloride TRI-SEC-BUTYLBORANE Tributyltin azide Vinyltriacetoxysilane TRIETHOXYCHLOROSILANE Silicic acid, ethyl ester TETRAKIS(2-METHOXYETHOXY)SILANE Tetrabutyl orthosilicate Methyltriacetoxysilane Vinyl tris(2-methoxyethoxy) silane Tetrapropoxysilane TETRAKIS(2-ETHYLHEXOXY)SILANE 3-Mercaptopropyltriethoxysilane

CT2500

triethoxy-silan

Triethoxysilane ((C2H5O)3SiH)

Triethoxysilicane

TRIETHOXYSILANE

Triethoxysilane,96%

Triethoxysilaneelectronicgradeavailable

Silane, triethoxy-

Silicon triethoxide

Tri-substituted Silane Reducing Agent

HSi(OC2H5)3

TES

Triethoxysilyl hydride

Triethoxysilane,95%

TRIES

Tris(ethyloxy)silane

4-bromooctafluorobutanetriethoxysilane

Recombinant Human Testin/TES Protein, His Tag

Triethoxysilane TES

DK967

DKFELEX0259

998-30-1

C2H5O3SiH

CH3CH2O3SiH

C6H15O3Si

Organometallic Reagents

Organosilicon

Others

Si-O Compounds

Trialkoxysilanes

Si-H Compounds

Si (Classes of Silicon Compounds)

OthersSilsesquioxanes: POSS? Nanohybrids

RSi(OR)3Organometallic Reagents

Organometallic Reagents

Organosilicon

POSS? Precursors and Intermediates

Alkoxy Silanes

Hydrogensilanes Hydrogensiloxanes

Reducing Agents

Si (Classes of Silicon Compounds)

Si-H Compounds

Si-O Compounds

Trialkoxysilanes