Ethyl 2-Mercaptopropionate - ≥97%(GC) , CAS No.19788-49-9

CAS: 19788-49-9 Cat. No.: E156189 Molecular Weight: 134.19 EC Number: 243-314-5
AVAILABLE TO ORDER
GRADE & PURITY ≥97%(GC)
Synonyms
ethyl 2-sulanylpropanoate | BS-15879 | ETHYL .ALPHA.-MERCAPTOPROPIONATE | EINECS 243-314-5 | Propanoic acid, 2-mercapto-, ethyl ester | Ethyl 2-sulfanylpropanoate | DTXSID20864904 | Ethyl2-mercaptopropanoate | (+/-)-2-MERCAPTOPROPIONIC ACID ETHYL ESTER |
Storage
Argon charged,Room temperature
Shipped In
Normal
 ·  off list, applied to all prices below.
Size
Status
Price
Qty
1g
E156189-1g
8-12 wks(?) Production requires sourcing of materials. We appreciate your patience and understanding.

$17.90

$26.90
Save $9.00 (33.46%)
5g
E156189-5g
5

$64.90

$97.90
Save $33.00 (33.71%)
25g
E156189-25g
2

$88.90

$133.90
Save $45.00 (33.61%)
100g
E156189-100g
3

$293.90

$440.90
Save $147.00 (33.34%)
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Why this grade

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

🌡

Storage & shipping

Argon charged,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.

Specifications

Synonyms
ethyl 2-sulanylpropanoate | BS-15879 | ETHYL .ALPHA.-MERCAPTOPROPIONATE | EINECS 243-314-5 | Propanoic acid, 2-mercapto-, ethyl ester | Ethyl 2-sulfanylpropanoate | DTXSID20864904 | Ethyl2-mercaptopropanoate | (+/-)-2-MERCAPTOPROPIONIC ACID ETHYL ESTER |
Specifications & Purity
≥97%(GC)
Storage
Argon charged, Room temperature
Shipped In
Normal
Purity
≥97%(GC)
Names and Identifiers
Pubchem Sid488190032
Pubchem Sid Urlhttps://pubchem.ncbi.nlm.nih.gov/substance/488190032
Canonical SmilesCCOC(=O)C(C)S
IUPAC Nameethyl 2-sulfanylpropanoate
InChIKeyLXXNWCFBZHKFPT-UHFFFAOYSA-N
INCHI1S/C5H10O2S/c1-3-7-5(6)4(2)8/h4,8H,3H2,1-2H3
Isomeric SMILES CCOC(=O)C(C)S
UN Number 1993
Packing Group III
Molecular Weight 134.19
Reaxy-Rn 1071465
Reaxys-RN_link_address https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=1071465&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.

View datasheet →

🔬 Specification Sheet

Full quality attributes and acceptance criteria for this grade.

View spec sheet →

Advanced Data

Taxonomic Classification

Taxonomy Tree

KingdomOrganic compounds
SuperclassOrganic acids and derivatives
ClassCarboxylic acids and derivatives
SubclassCarboxylic acid derivatives
Intermediate Tree Nodes Not available
Direct ParentCarboxylic acid esters
Alternative Parents Monocarboxylic acids and derivatives  Alkylthiols  Organic oxides  Hydrocarbon derivatives  Carbonyl compounds  
Molecular FrameworkAliphatic acyclic compounds
Substituents Carboxylic acid ester - Monocarboxylic acid or derivatives - Alkylthiol - Organic oxygen compound - Organic oxide - Hydrocarbon derivative - Organosulfur compound - Organooxygen compound - Carbonyl group - Aliphatic acyclic compound
DescriptionThis compound belongs to the class of organic compounds known as carboxylic acid esters. These are carboxylic acid derivatives in which the carbon atom from the carbonyl group is attached to an alkyl or an aryl moiety through an oxygen atom (forming an ester group).
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.

11 results found

Lot NumberCertificate TypeDateItem
C2222322Certificate of AnalysisJan 26, 2026 E156189
C2222345Certificate of AnalysisJan 26, 2026 E156189
C2222346Certificate of AnalysisJan 26, 2026 E156189
C1807122Certificate of AnalysisOct 14, 2025 E156189
F2002010Certificate of AnalysisMar 11, 2024 E156189
D2312203Certificate of AnalysisFeb 19, 2022 E156189
D2312204Certificate of AnalysisFeb 19, 2022 E156189
G2311210Certificate of AnalysisFeb 19, 2022 E156189
G2311212Certificate of AnalysisFeb 19, 2022 E156189
I2510032Certificate of AnalysisFeb 19, 2022 E156189
E2306083Certificate of AnalysisJan 27, 2022 E156189

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Chemical and Physical Properties
SensitivityAir Sensitive,Moisture Sensitive
Refractive Index1.45
Flash Point(°F)58°C(lit.)
Flash Point(°C)58°C(lit.)
Boil Point(°C)90°C/60mmHg(lit.)
Molecular Weight134.200 g/mol
XLogP31.200
Hydrogen Bond Donor Count1
Hydrogen Bond Acceptor Count3
Rotatable Bond Count3
Exact Mass134.04 Da
Monoisotopic Mass134.04 Da
Topological Polar Surface Area27.300 Ų
Heavy Atom Count8
Formal Charge0
Complexity82.500
Isotope Atom Count0
Defined Atom Stereocenter Count0
Undefined Atom Stereocenter Count1
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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