Ethyl 3-Methylcrotonate - ≥97%(GC) , CAS No.638-10-8

CAS: 638-10-8 Cat. No.: E156154 Formula: C7H12O2 Molecular Weight: 128.17 Beilstein Registry Number: 2(4)1556 EC Number: 211-319-1
AVAILABLE TO ORDER
GRADE & PURITY ≥97%(GC)
Synonyms
3-Methyl-2-butenoic Acid Ethyl Ester | Ethyl 3,3-dimethylacrylate, 98% | InChI=1/C7H12O2/c1-4-9-7(8)5-6(2)3/h5H,4H2,1-3H3 | NSC 61853 | EINECS 211-319-1 | MFCD00009187 | FT-0668321 | M1441 | O11780 | A834532 | Ethyl beta-methylcrotonate | NSC99208 | NSC-9
Storage
Room temperature
Shipped In
Normal
★
Size
Germany (EU)
USA*
Price
Qty
5ml
E156154-5ml
—
9 In stock
€8.59
25ml
E156154-25ml
—
8 In stock
€8.59
100ml
E156154-100ml
—
5 In stock
€15.53
500ml
E156154-500ml
Made to order · 8–12 wks
€77.14
Enter a quantity for the sizes you want to add.
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Why this grade

≥97%(GC) for sensitive chromatographic and analytical workflows requiring minimal baseline interference.

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Storage & shipping

Room temperature Ships Normal 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.

Overview

Ion-molecule reactions between the O=P(OCH3)2+phosphonium ions and ethyl 3,3-dimethylacrylate has been investigated by quadrupole ion trap mass spectrometery
Ethyl 3,3-dimethylacrylate was used in the synthesis of: . 3-benzylmercupto-3-methylbutanoic acid ethylester . cis-2-cyano-3,3-dimethylcyclopropanecarboxylic acid, precursor for the synthesis of cis-pyrethroids . 1-[13CD3]-9-cis-retinoic acid

Specifications

Synonyms
3-Methyl-2-butenoic Acid Ethyl Ester | Ethyl 3,3-dimethylacrylate, 98% | InChI=1/C7H12O2/c1-4-9-7(8)5-6(2)3/h5H,4H2,1-3H3 | NSC 61853 | EINECS 211-319-1 | MFCD00009187 | FT-0668321 | M1441 | O11780 | A834532 | Ethyl beta-methylcrotonate | NSC99208 | NSC-9
Specifications & Purity
≥97%(GC)
Storage
Room temperature
Shipped In
Normal
Purity
≥97%(GC)
Names and Identifiers
Pubchem Sid
Pubchem Sid Url
https://pubchem.ncbi.nlm.nih.gov/substance/488181689
Canonical Smiles
CCOC(=O)C=C(C)C
IUPAC Name
ethyl 3-methylbut-2-enoate
InChIKey
UTXVCHVLDOLVPC-UHFFFAOYSA-N
INCHI
1S/C7H12O2/c1-4-9-7(8)5-6(2)3/h5H,4H2,1-3H3
Isomeric SMILES
CCOC(=O)C=C(C)C
WGK Germany
2
RTECS
GQ5750000
UN Number
3272
Packing Group
III
Molecular Weight
128.17
Beilstein
2(4)1556
Reaxy-Rn
1744854
Reaxys-RN_link_address
https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=1744854&ln=

Documentation

📋 Safety Data Sheet (SDS)

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

<<<<<<< HEAD Download SDS → ======= Download SDS → >>>>>>> release248-p3

✅ 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.

View datasheet →

🔬 Specification Sheet

Full quality attributes and acceptance criteria for this grade.

View spec sheet →

Advanced Data

Taxonomic Classification

Taxonomy Tree

KingdomOrganic compounds
SuperclassLipids and lipid-like molecules
ClassFatty Acyls
SubclassFatty acid esters
Intermediate Tree Nodes Not available
Direct ParentFatty acid esters
Alternative Parents Enoate esters  Monocarboxylic acids and derivatives  Organic oxides  Hydrocarbon derivatives  Carbonyl compounds  
Molecular FrameworkAliphatic acyclic compounds
Substituents Fatty acid ester - Alpha,beta-unsaturated carboxylic ester - Enoate ester - Carboxylic acid ester - 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 fatty acid esters. These are carboxylic ester derivatives of a fatty acid.
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.

10 results found

Lot NumberCertificate TypeDateItem
F1723054F1723054Certificate of AnalysisJan 20, 2025 E156154
L2001211L2001211Certificate of AnalysisSep 06, 2024 E156154
L2001210L2001210Certificate of AnalysisSep 04, 2024 E156154
J2428566J2428566Certificate of AnalysisJul 05, 2024 E156154
D2312070D2312070Certificate of AnalysisJun 18, 2022 E156154
D2312096D2312096Certificate of AnalysisJun 18, 2022 E156154
D2312102D2312102Certificate of AnalysisJun 18, 2022 E156154
G2213278G2213278Certificate of AnalysisJun 18, 2022 E156154
G2213279G2213279Certificate of AnalysisJun 18, 2022 E156154
G2213280G2213280Certificate of AnalysisJun 18, 2022 E156154
Chemical and Physical Properties
SolubilityInsoluble in water
x_refractive_index1.436
x_flash_point_drop_fahrenheit93.2 °F
x_flash_point_drop_centigrade43°C
x_boil_point_char154-155°C
Molecular Weight128.169 g/mol
XLogP31.900
Hydrogen Bond Donor Count0
Hydrogen Bond Acceptor Count2
Rotatable Bond Count3
Exact Mass128.084 Da
Monoisotopic Mass128.084 Da
Topological Polar Surface Area26.300 Ų
Heavy Atom Count9
Formal Charge0
Complexity121.000
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
Reviews

Customer Reviews

Frequently Asked Questions

What is the purity of this product, and how is it determined?
This product is supplied at ≥97% purity, determined by gas chromatography (GC). Lot-specific values are stated on the Certificate of Analysis.
How should this product be stored?
Store at room temperature.
How is this product shipped?
This product ships under standard ambient conditions. No temperature-controlled packaging is required.
What are the CAS number, molecular formula and molecular weight?
The CAS Number is 638-10-8, the molecular formula is C7H12O2, and the molecular weight is 128.17 g/mol. InChIKey UTXVCHVLDOLVPC-UHFFFAOYSA-N.
What documentation is provided?
Available product documentation, including Certificates of Analysis (COA), Safety Data Sheets (SDS), and specification sheets, is shown in the product document area. Document availability and access follow the current site policy.

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