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Trimethylethoxysilane

Trimethylethoxysilane structure

CAS No:
1825-62-3
Formula:
C5H14OSi
Chemical Name:
Trimethylethoxysilane
Synonyms:
Silane,ethoxytrimethyl-;Ethoxytrimethylsilane;Trimethylethoxysilane;Trimethylsilyl ethyl ether;Ethyl trimethylsilyl ether;Trimethylsilyl ethoxide;Trimethylsilicon ethoxide;NSC 43345;LS 875;Silane M 3-ethoxy;KBM 31;T 1394;SIT 8515.0;871937-41-6
Categories:
Chemical Reagents > Organic Reagents

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Description

clear colorless liquid

Liquid

Trimethylethoxysilane Basic Attributes

Molecular Weight：

118.25

Exact Mass：

118.25

BRN：

1731950

EC Number：

217-370-6

UNII：

82883M7A40

NSC Number：

43345

DSSTox ID：

DTXSID5051814

HScode：

2931 90 00

Characteristics

PSA：

9.2

XLogP3：

2.15

Appearance：

Clear colorless Liquid

Density：

0.757 g/cm³

Melting Point：

-83 °C

Boiling Point：

76 °C

Flash Point：

-18 °C

Refractive Index：

n 20/D 1.374(lit.)

Water Solubility：

reacts

Storage Conditions：

Flammables area

Vapor Pressure：

533 hPa (56 °C)

Toxicity：

Oral-Rat LDL0: 1400mg/kg; Inhalation-Rat LC50: 4000 PPM/ 8 hours

Flammability characteristics：

Inflammable in case of open flame, high temperature, oxidant; burning produces irritating smoke

Explosive limit：

1.5-16.5%(V)

Safety Information

Packing level：

Hazard category：

Transport codes：

UN 1993 3/PG 2

wgk germany：

hazard class code：

11-22-36/37/38

safety instructions：

16-26-9-37/39-33

RTECS Number：

VV4110000

Marks：

F,Xn,Xi

Storage features：

The warehouse is ventilated, low temperature and dry; stored separately from oxidants and acids

Precautionary statement(s)：

P210-P261-P305 + P351 + P338

Hazard Statements：

H225-H302-H315-H319-H335

GHS Classification：

|Danger|H225 (100%): Highly Flammable liquid and vapor [Danger Flammable liquids]|P210, P233, P240, P241, P242, P243, P261, P264, P270, P271, P280, P301+P312, P302+P352, P303+P361+P353, P304+P340, P305+P351+P338, P312, P321, P330, P332+P313, P337+P313, P362, P370+P378, P403+P233, P403+P235, P405, and P501|Aggregated GHS information provided by 150 companies from 8 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.

Toxicity

Toxicity class：

moderately toxic

Trimethylethoxysilane Use and Manufacturing

Uses

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.

Corrosion inhibitors and anti-scaling agents

Production

25,000 - 100,000 lb

Manufacturing Info：

Construction|Silane, ethoxytrimethyl-: ACTIVE

Computed Properties

Molecular Weight:118.25
Hydrogen Bond Acceptor Count:1
Rotatable Bond Count:2
Exact Mass:118.081391600
Monoisotopic Mass:118.081391600
Topological Polar Surface Area:9.2
Heavy Atom Count:7
Complexity:46.5
Covalently-Bonded Unit Count:1
Compound Is Canonicalized:Yes

Material

Pyridine

Ethanol

Chlorotrimethylsilane

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