3-Butynoic acid - ≥95% , CAS No.2345-51-9

CAS: 2345-51-9 Cat. No.: B168856 Fórmula: C4H4O2 Peso molecular: 84.07 Número EC: 607-235-3
Disponible para pedir
GRADE & PURITY ≥95%
Synonyms
CHEBI:1461 | CH.equiv.CCH2COOH | EN300-97486 | AB11673 | FT-0692094 | 3-Butynoate | DTXSID50178001 | F14007 | ZFA99027 | C06144 | but-3-ynoic acid | CH#CCH2COOH | AMY19285 | 3-Butynoic acid | But-3-insaeure | AC-30551 | BBL034617 | Michler`s ketone | Z295
Storage
Protected from light,Store at -20°C,Argon charged
Shipped In
Ice chest + Ice pads
★
Size
Alemania (EU)
USA*
Price
Qty
250mg
B168856-250mg
—
2 Disponible
19,00€
1g
B168856-1g
—
3 Disponible
71,94€
5g
B168856-5g
—
2 Disponible
240,28€
25g
B168856-25g
—
3 Disponible
847,69€
100g
B168856-100g
—
2 Disponible
2.175,33€
Enter a quantity for the sizes you want to add.
🧪
Why this grade

≥95% for sensitive chromatographic and analytical workflows requiring minimal baseline interference.

🌡

Storage & shipping

Protected from light,Store at -20°C,Argon charged Ships Ice chest + Ice pads Check lot-specific COA for exact specifications.

📋

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.

Descripción general

Some of the applications of 3-butynoic acid are: · Synthesis of functionalized γ-butyrolactones and tetrahydrofurans via Conia-ene cyclizations. · Synthesis of allenoates for [2+2] cycloadditions with alkenes. · Phosphine-catalyzed synthesis of highly functionalized coumarins. · Synthesis of various useful organotin reagents via radical hydrostannation of 3-butynoic acid.

Specifications

Sinónimos
CHEBI:1461 | CH.equiv.CCH2COOH | EN300-97486 | AB11673 | FT-0692094 | 3-Butynoate | DTXSID50178001 | F14007 | ZFA99027 | C06144 | but-3-ynoic acid | CH#CCH2COOH | AMY19285 | 3-Butynoic acid | But-3-insaeure | AC-30551 | BBL034617 | Michler`s ketone | Z295
Especificaciones y pureza
≥95%
Condiciones de almacenamiento de almacenamiento
Protected from light,Store at -20°C,Argon charged
Enviado en
Ice chest + Ice pads
Este producto requiere envío en cadena de frío. Los servicios terrestres y otros servicios económicos no están disponibles.
Pureza
≥95%
Nombres e identificadores
Pubchem Sid
Pubchem Sid Url
https://pubchem.ncbi.nlm.nih.gov/substance/504757125
Sonrisas canónicas
C#CCC(=O)O
IUPAC Name
but-3-ynoic acid
InChIKey
KKAHGSQLSTUDAV-UHFFFAOYSA-N
INCHI
1S/C4H4O2/c1-2-3-4(5)6/h1H,3H2,(H,5,6)
Isómeros SMILES
C#CCC(=O)O
WGK Alemania
3
Peso molecular
84.07
Reaxy-Rn
1739296
Reaxys-RN_link_address
https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=1739296&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
SuperclassLipids and lipid-like molecules
ClaseFatty Acyls
SubclassFatty acids and conjugates
Intermediate Tree Nodes Not available
Direct ParentStraight chain fatty acids
Alternative Parents Unsaturated fatty acids  Monocarboxylic acids and derivatives  Carboxylic acids  Acetylides  Organic oxides  Hydrocarbon derivatives  Carbonyl compounds  
Molecular FrameworkAliphatic acyclic compounds
Substituents Unsaturated fatty acid - Straight chain fatty acid - Acetylide - Monocarboxylic acid or derivatives - Carboxylic acid - Carboxylic acid derivative - Organic oxygen compound - Organic oxide - Hydrocarbon derivative - Organooxygen compound - Carbonyl group - Aliphatic acyclic compound
DescripciónThis compound belongs to the class of organic compounds known as straight chain fatty acids. These are fatty acids with a straight aliphatic chain.
External Descriptors terminal acetylenic compound - monocarboxylic acid
Estructura 3D
Modelo de Estructura Química Interactiva





Certificados (CoA, COO, BSE/TSE y tabla de análisis)
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 TypeFechaArticulo
L2220113Certificate of AnalysisSep 21, 2026 B168856
K2211207Certificate of AnalysisAug 04, 2026 B168856
K2211213Certificate of AnalysisAug 04, 2026 B168856
K2211219Certificate of AnalysisAug 04, 2026 B168856
K2211220Certificate of AnalysisAug 04, 2026 B168856
F1913262Certificate of AnalysisApr 11, 2023 B168856
C2618113Certificate of AnalysisJun 15, 2022 B168856
J2511150Certificate of AnalysisJun 15, 2022 B168856
K2212477Certificate of AnalysisJun 15, 2022 B168856
K2212536Certificate of AnalysisJun 15, 2022 B168856
L2416224Certificate of AnalysisJun 15, 2022 B168856
Propiedades químicas y físicas
SensibilidadLight & Air & Heat sensitive
Punto de fusión (°C)83 °C
Peso molecular84.070 g/mol
XLogP30.000
Hydrogen Bond Donor Count1
Hydrogen Bond Acceptor Count2
Rotatable Bond Count1
Exact Mass84.0211 Da
Monoisotopic Mass84.0211 Da
Topological Polar Surface Area37.300 Ų
Heavy Atom Count6
Formal Charge0
Complexity95.400
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
Calculadoras de soluciones
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Preguntas frecuentes

What is the purity of this product?
This product is supplied at ≥95% purity (chemical assay). Lot-specific values are stated on the Certificate of Analysis.
How should this product be stored?
Store at ?20 °C, protected from light, under argon. It is supplied under an argon blanket; reseal under inert gas after each use.
How is this product shipped?
This product ships in an insulated container with ice pads. Unpack on arrival and transfer it to the storage condition stated above.
What are the CAS number, molecular formula and molecular weight?
The CAS Number is 2345-51-9, the molecular formula is C4H4O2, and the molecular weight is 84.07 g/mol. InChIKey KKAHGSQLSTUDAV-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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