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ChemicalBook >> CAS DataBase List >> Ethoxytrimethylsilane

Ethoxytrimethylsilane

Ethoxytrimethylsilane price.
  • $22 - $445
  • Product name: Ethoxytrimethylsilane
  • CAS: 1825-62-3
  • MF: C5H14OSi
  • MW: 118.25
  • EINECS:217-370-6
  • MDL Number:MFCD00009069
  • Synonyms:Trimethylethoxysilane,min.97%;Silane, ethoxytrimethyl-;DIMETHYLDIMETHOXYSILICANE;Trimethylethoxysilane, min. 97%;Ethoxytrimethylsilane,95%;EthoxytriMethylsilane, 95% 25GR;Three Methylsilane;Trimethylsilyl ethoxide
Price13 Properties Safety Information Description
13 prices
Selected condition：
Brand
  • AHH
  • Oakwood
  • Sigma-Aldrich
  • Strem Chemicals
  • TCI Chemical
  • Thermo Scientific Chemicals
  • TRC
Package
  • 2.5mL
  • 25g
  • 25mL
  • 100mL
  • 100g
  • 250mL
  • 2500ml
  • ManufacturerAHH
  • Product numberMT-11935
  • Product descriptionEthoxytrimethylsilane 97%
  • Packaging2500ml
  • Price$445
  • Updated2026-05-26
  • Buy
  • ManufacturerOakwood
  • Product numberS08635
  • Product descriptionEthoxytrimethylsilane
  • Packaging100g
  • Price$65
  • Updated2021-12-16
  • Buy
  • ManufacturerOakwood
  • Product numberS08635
  • Product descriptionEthoxytrimethylsilane
  • Packaging25g
  • Price$22
  • Updated2021-12-16
  • Buy
  • ManufacturerSigma-Aldrich
  • Product number8.18821
  • Product descriptionEthoxytrimethylsilane for synthesis
  • Packaging100mL
  • Price$129
  • Updated2026-04-30
  • Buy
  • ManufacturerSigma-Aldrich
  • Product number254371
  • Product descriptionEthoxytrimethylsilane 98%
  • Packaging25g
  • Price$67.8
  • Updated2026-04-30
  • Buy
  • ManufacturerSigma-Aldrich
  • Product number8.18821
  • Product descriptionEthoxytrimethylsilane for synthesis
  • Packaging25mL
  • Price$53
  • Updated2025-07-31
  • Buy
  • ManufacturerSigma-Aldrich
  • Product number254371
  • Product descriptionEthoxytrimethylsilane 98%
  • Packaging100g
  • Price$210
  • Updated2026-04-30
  • Buy
  • ManufacturerStrem Chemicals
  • Product number93-1465
  • Product descriptionTrimethylethoxysilane, min. 97% min.97%
  • Packaging100g
  • Price$226
  • Updated2026-04-30
  • Buy
  • ManufacturerStrem Chemicals
  • Product number93-1465
  • Product descriptionTrimethylethoxysilane, min. 97% min.97%
  • Packaging25g
  • Price$77
  • Updated2026-04-30
  • Buy
  • ManufacturerTCI Chemical
  • Product numberT1394
  • Product descriptionTrimethylethoxysilane >98.0%(GC)
  • Packaging250mL
  • Price$144
  • Updated2026-04-30
  • Buy
  • ManufacturerTCI Chemical
  • Product numberT1394
  • Product descriptionTrimethylethoxysilane >98.0%(GC)
  • Packaging25mL
  • Price$28
  • Updated2026-04-30
  • Buy
  • ManufacturerThermo Scientific Chemicals
  • Product numberL10151
  • Product descriptionEthoxytrimethylsilane, 97%
  • Packaging100g
  • Price$117
  • Updated2026-04-24
  • Buy
  • ManufacturerTRC
  • Product numberE937685
  • Product descriptionEthoxytrimethylsilane
  • Packaging2.5mL
  • Price$45
  • Updated2021-12-16
  • Buy
Manufacturer Product number Product description Packaging Price Updated Buy
AHH MT-11935 Ethoxytrimethylsilane 97% 2500ml $445 2026-05-26 Buy
Oakwood S08635 Ethoxytrimethylsilane 100g $65 2021-12-16 Buy
Oakwood S08635 Ethoxytrimethylsilane 25g $22 2021-12-16 Buy
Sigma-Aldrich 8.18821 Ethoxytrimethylsilane for synthesis 100mL $129 2026-04-30 Buy
Sigma-Aldrich 254371 Ethoxytrimethylsilane 98% 25g $67.8 2026-04-30 Buy
Sigma-Aldrich 8.18821 Ethoxytrimethylsilane for synthesis 25mL $53 2025-07-31 Buy
Sigma-Aldrich 254371 Ethoxytrimethylsilane 98% 100g $210 2026-04-30 Buy
Strem Chemicals 93-1465 Trimethylethoxysilane, min. 97% min.97% 100g $226 2026-04-30 Buy
Strem Chemicals 93-1465 Trimethylethoxysilane, min. 97% min.97% 25g $77 2026-04-30 Buy
TCI Chemical T1394 Trimethylethoxysilane >98.0%(GC) 250mL $144 2026-04-30 Buy
TCI Chemical T1394 Trimethylethoxysilane >98.0%(GC) 25mL $28 2026-04-30 Buy
Thermo Scientific Chemicals L10151 Ethoxytrimethylsilane, 97% 100g $117 2026-04-24 Buy
TRC E937685 Ethoxytrimethylsilane 2.5mL $45 2021-12-16 Buy

Properties

Melting point :-83°C
Boiling point :75-76 °C(lit.)
Density :0.757 g/mL at 25 °C(lit.)
vapor pressure :533 hPa (56 °C)
refractive index :n20/D 1.374(lit.)
Flash point :-18 °C
storage temp. :Store below +30°C.
form :Liquid
color :Clear colorless
Specific Gravity :0.757
explosive limit :1.5-16.5%(V)
Water Solubility :reacts
Sensitive :Moisture Sensitive
Hydrolytic Sensitivity :7: reacts slowly with moisture/water
BRN :1731950
Dielectric constant :3.0099999999999998
InChI :1S/C5H14OSi/c1-5-6-7(2,3)4/h5H2,1-4H3
InChIKey :RSIHJDGMBDPTIM-UHFFFAOYSA-N
SMILES :CCO[Si](C)(C)C
LogP :-0.31-3.7 at 20-25℃
CAS DataBase Reference :1825-62-3(CAS DataBase Reference)
NIST Chemistry Reference :Silane, ethoxytrimethyl-(1825-62-3)
EPA Substance Registry System :Trimethylethoxysilane (1825-62-3)

Safety Information

Symbol(GHS): Flame (GHS02)Exclamation Mark (GHS07)
Signal word: Danger
Hazard statements:
Code Hazard statements Hazard class Category Signal word Pictogram P-Codes
H225 Highly Flammable liquid and vapour Flammable liquids Category 2 Danger P210,P233, P240, P241, P242, P243,P280, P303+ P361+P353, P370+P378,P403+P235, P501
H315 Causes skin irritation Skin corrosion/irritation Category 2 Warning P264, P280, P302+P352, P321,P332+P313, P362
H319 Causes serious eye irritation Serious eye damage/eye irritation Category 2A Warning P264, P280, P305+P351+P338,P337+P313P
Precautionary statements:
P210 Keep away from heat/sparks/open flames/hot surfaces. — No smoking.
P233 Keep container tightly closed.
P240 Ground/bond container and receiving equipment.
P241 Use explosion-proof electrical/ventilating/lighting/…/equipment.
P242 Use only non-sparking tools.
P243 Take precautionary measures against static discharge.
P264 Wash hands thoroughly after handling.
P264 Wash skin thouroughly after handling.
P280 Wear protective gloves/protective clothing/eye protection/face protection.
P303+P361+P353 IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower.
P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.
P332+P313 IF SKIN irritation occurs: Get medical advice/attention.
P337+P313 IF eye irritation persists: Get medical advice/attention.
P370+P378 In case of fire: Use … for extinction.
P403+P235 Store in a well-ventilated place. Keep cool.
P501 Dispose of contents/container to..…

Description

Ethoxytrimethylsilane is also called Trimethylethoxysilane, an intermediate useful for blocking hydroxyl or amino groups to perform reactions on multi-functional organic compounds or polymers. It is also useful for deactivating glass surfaces used in gas chromatographic applications.

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Suppliers and manufacturers

Shanghai Gileader Advanced Material Technology Co.,Ltd Xinyaqiang Silicon Chemistry Co., Ltd. Aifute (Tianjin) New Materials Co., Ltd Meryer (Shanghai) Chemical Technology Co., Ltd. New Energy Chemicals Alfa Aesar TCI (Shanghai) Development Co., Ltd. Energy Chemical Shijiazhuang Sdyano Fine Chemical Co., Ltd. Shanghai Hanhong Scientific Co.,Ltd.