Dimethylethoxysilane, 94%, Thermo Scientific Chemicals

Product Code	Brand	Quantity
11319185	Thermo Scientific Alfa Aesar L16476.14	25 g
11329185	Thermo Scientific Alfa Aesar L16476.22	100 g

Description

Dimethylethoxysilane (DMES), a volatile liquid, is used by NASA to waterproof the heatprotective silica tiles and blankets on the space shuttle. DMES readily produces a variety of products in the presence of small amounts of moisture or bases. DMES readily produces a variety of products in the presence of small amounts of moisture or bases.

This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.

Applications
Dimethylethoxysilane (DMES), a volatile liquid, is used by NASA to waterproof the heatprotective silica tiles and blankets on the space shuttle. DMES readily produces a variety of products in the presence of small amounts of moisture or bases. DMES readily produces a variety of products in the presence of small amounts of moisture or bases.

Solubility
Hydrolyzes in water.

Notes
Moisture sensitive.Store in cool place. Keep container tightly closed in a dry and well-ventilated place. Store away from strong oxidizing agents, moisture, water.

Chemical Identifiers

• CAS: 14857-34-2
• Molecular Weight (g/mol): 103.216
• InChI Key: DRUOQOFQRYFQGB-UHFFFAOYSA-N
• PubChem CID: 6328550
• SMILES: CCO[Si](C)C

• Molecular Formula: C4H11OSi
• MDL Number: MFCD00026750
• Synonym: ethoxydimethylsilane, dimethylethoxysilane, silane, ethoxydimethyl, dimethyl ethoxysilane, ethoxy dimethyl silicon, dimethylethoxysilane, ammonia-free, ethoxydimethylsilyl, ethoxydimethyl-silan, sgqhhgcihcup@, 4-04-00-03991 beilstein handbook reference
• IUPAC Name: ethoxy(dimethyl)silicon

Specifications

• Boiling Point: 55°C
• Molecular Formula: C4H11OSi
• UN Number: UN1993
• Flash Point: 15°C (59°F)
• Solubility Information: Hydrolyzes in water.
• SMILES: CCO[Si](C)C
• Molecular Weight (g/mol): 103.216
• Formula Weight: 104.23
• Refractive Index: 1.368
• Density: 0.757

• CAS: 14857-34-2
• MDL Number: MFCD00026750
• Beilstein: 1731481
• Synonym: ethoxydimethylsilane, dimethylethoxysilane, silane, ethoxydimethyl, dimethyl ethoxysilane, ethoxy dimethyl silicon, dimethylethoxysilane, ammonia-free, ethoxydimethylsilyl, ethoxydimethyl-silan, sgqhhgcihcup@, 4-04-00-03991 beilstein handbook reference
• InChI Key: DRUOQOFQRYFQGB-UHFFFAOYSA-N
• IUPAC Name: ethoxy(dimethyl)silicon
• PubChem CID: 6328550
• Percent Purity: 94%
• Sensitivity: Moisture sensitive
• Chemical Name or Material: Dimethylethoxysilane, ammonia-free

Safety and Handling

GHS H Statement
H225-H315-H319-H335
Highly flammable liquid and vapor.
Causes skin irritation.
Causes serious eye irritation.
May cause respiratory irritation.

P210-P233-P235-P240-P241-P242-P243-P261-P264b-P271-P280-P303+P361+P353-P304+P340-P305+P351+P338-P312-P332+P313-P363-P370+P378q-P501c

H225-H315-H319-H335

missing translation for 'dotInformation' : Transport Hazard Class: 3; Packing Group: II; Proper Shipping Name: FLAMMABLE LIQUIDS, N.O.S.

missing translation for 'einecsNumber' : 238-921-7

missing translation for 'rtecsNumber' : VV4090000

missing translation for 'tsca' : Yes

Recommended Storage : Ambient temperatures

RUO – Research Use Only