Ethyl [(tert-Butyldimethylsilyl)oxy]acetate - ≥98% , CAS No.67226-78-2

CAS: 67226-78-2 Cat. No.: E330998 Molecular Weight: 218.37
AVAILABLE TO ORDER
GRADE & PURITY ≥98%
Synonyms
Ethyl glycolate, TBDMS derivative | EN300-8660142 | ethyl t-butyldimethylsilyloxyacetate | SY344975 | MFCD09835572 | AKOS028112102 | DTXSID20457971 | 2-[[(1,1-Dimethylethyl)dimethylsilyl]oxy]acetic Acid Ethyl Ester | ETHYL 2-[(TERT-BUTYLDIMETHYLSILYL)OXY]
Storage
Store at 2-8°C
Shipped In
Wet ice
 ·  off list, applied to all prices below.
Size
Status
Price
Qty
250mg
E330998-250mg
3

$126.90

$190.90
Save $64.00 (33.53%)
1g
E330998-1g
3

$317.90

$476.90
Save $159.00 (33.34%)
5g
E330998-5g
2

$948.90

$1,423.90
Save $475.00 (33.36%)
10g
E330998-10g
1

$1,708.90

$2,563.90
Save $855.00 (33.35%)
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Why this grade

≥98% for sensitive chromatographic and analytical workflows requiring minimal baseline interference.

🌡

Storage & shipping

Store at 2-8°C Ships Wet ice Check lot-specific COA for exact specifications.

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Quality documents

SDS, COA, datasheet, and spec sheet available for download. Lot-specific COA accessible via lot number lookup.

📚

Literature proof

Cited in 0 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Specifications

Synonyms
Ethyl glycolate, TBDMS derivative | EN300-8660142 | ethyl t-butyldimethylsilyloxyacetate | SY344975 | MFCD09835572 | AKOS028112102 | DTXSID20457971 | 2-[[(1, 1-Dimethylethyl)dimethylsilyl]oxy]acetic Acid Ethyl Ester | ETHYL 2-[(TERT-BUTYLDIMETHYLSILYL)OXY]
Specifications & Purity
≥98%
Storage
Store at 2-8°C
Shipped In
Wet ice
This product requires cold chain shipping. Ground and other economy services are not available.
Purity
≥98%
Names and Identifiers
Pubchem Sid504766132
Pubchem Sid Urlhttps://pubchem.ncbi.nlm.nih.gov/substance/504766132
Canonical SmilesCCOC(=O)CO[Si](C)(C)C(C)(C)C
IUPAC Nameethyl 2-[tert-butyl(dimethyl)silyl]oxyacetate
InChIKeyVMYQJDCENDEETH-UHFFFAOYSA-N
INCHI1S/C10H22O3Si/c1-7-12-9(11)8-13-14(5,6)10(2,3)4/h7-8H2,1-6H3
Isomeric SMILES CCOC(=O)CO[Si](C)(C)C(C)(C)C
Molecular Weight 218.37
Reaxy-Rn 2249392
Reaxys-RN_link_address https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=2249392&ln=

Documentation

📋 Safety Data Sheet (SDS)

Comprehensive hazard, handling, storage, and regulatory compliance document.

Download SDS →

✅ Certificate of Analysis (COA)

Lot-specific quality data. Enter your lot number to retrieve the exact COA.

Look up COA →

📊 Datasheet

Quick-reference summary of product specifications and applications.

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🔬 Specification Sheet

Full quality attributes and acceptance criteria for this grade.

View spec sheet →

Advanced Data

Taxonomic Classification

Taxonomy Tree

KingdomOrganic compounds
SuperclassOrganometallic compounds
ClassOrganometalloid compounds
SubclassOrganosilicon compounds
Intermediate Tree Nodes Organoheterosilanes
Direct ParentTrialkylheterosilanes
Alternative Parents Silyl ethers  Carboxylic acid esters  Organic metalloid salts  Monocarboxylic acids and derivatives  Organic oxides  Hydrocarbon derivatives  Carbonyl compounds  
Molecular FrameworkAliphatic acyclic compounds
Substituents Trialkylheterosilane - Silyl ether - Carboxylic acid ester - Organic metalloid salt - Monocarboxylic acid or derivatives - Carboxylic acid derivative - Organic oxygen compound - Organic oxide - Hydrocarbon derivative - Organooxygen compound - Carbonyl group - Aliphatic acyclic compound
DescriptionThis compound belongs to the class of organic compounds known as trialkylheterosilanes. These are organoheterosilanes, bearing a silicon atom linked to three alkyl groups and one heteroatom.
External Descriptors Not available
3D Structure
Interactive Chemical Structure Model





Certificates(CoA,COO,BSE/TSE and Analysis Chart)
C of A & Other Certificates(BSE/TSE, COO):
Analytical Chart:

Find and download the COA for your product by matching the lot number on the packaging.

4 results found

Lot NumberCertificate TypeDateItem
J2214777Certificate of AnalysisJul 21, 2025 E330998
J2214811Certificate of AnalysisJul 21, 2025 E330998
J2214814Certificate of AnalysisJul 21, 2025 E330998
J2214758Certificate of AnalysisJul 09, 2025 E330998
Chemical and Physical Properties
SolubilitySoluble in Acetone, Chloroform, Dichloromethane, Ethyl Acetate and Methanol
Molecular Weight218.360 g/mol
XLogP3
Hydrogen Bond Donor Count0
Hydrogen Bond Acceptor Count3
Rotatable Bond Count6
Exact Mass218.134 Da
Monoisotopic Mass218.134 Da
Topological Polar Surface Area35.500 Ų
Heavy Atom Count14
Formal Charge0
Complexity194.000
Isotope Atom Count0
Defined Atom Stereocenter Count0
Undefined Atom Stereocenter Count0
Defined Bond Stereocenter Count0
Undefined Bond Stereocenter Count0
The total count of all stereochemical bonds0
Covalently-Bonded Unit Count1
Solution Calculators
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