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2-Butynoic acid, 98%

Catalog No. AAA1554206
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Catalog No. AAA1554206 Supplier Thermo Scientific Chemicals Supplier No. A1554206
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Description

CAS: 590-93-2 | C4H4O2 | 84.07 g/mol

2-Butynoic acid is used as an intermediate in organic synthesis and pharmaceuticals. It is used as a synthon in various reactions, which includes cylcoalkylation of phenols to flavones and chromones. It is involved in the cyclization of gamma-butyrolactones. It is also used in the synthesis of Z-trisubstituted olefins through μ-alkylation. It plays an important role in the preparation of chirally pure 1,2,3,4-tetrahydroisoquinoline analogs, which finds application as anti-cancer agents.

This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.

Applications
2-Butynoic acid is used as an intermediate in organic synthesis and pharmaceuticals. It is used as a synthon in various reactions, which includes cylcoalkylation of phenols to flavones and chromones. It is involved in the cyclization of gamma-butyrolactones. It is also used in the synthesis of Z-trisubstituted olefins through µ-alkylation. It plays an important role in the preparation of chirally pure 1,2,3,4-tetrahydroisoquinoline analogs, which finds application as anti-cancer agents.

Solubility
Soluble in water. Slightly soluble in methanol and chloroform.

Notes
Store in a cool place. Incompatible with strong oxidizing agents, strong bases and strong reducing agents.
TRUSTED_SUSTAINABILITY

Chemical Identifiers

CAS 590-93-2
Molecular Formula C4H4O2
Molecular Weight (g/mol) 84.07
MDL Number MFCD00004363
InChI Key LUEHNHVFDCZTGL-UHFFFAOYSA-N
Synonym 2-butynoic acid, tetrolic acid, 3-methylpropiolic acid, 1-propynecarboxylic acid, 2-butynoicacid, tetrolsaure, butynoic acid, 2-butynic acid, propinecarboxylic acid
PubChem CID 68535
IUPAC Name but-2-ynoic acid
SMILES CC#CC(O)=O

Specifications

Melting Point 75°C to 79°C
Density 0.964
Boiling Point 200°C to 203°C
Linear Formula CH3C≡CCO2H
Quantity 5 g
UN Number UN3261
Beilstein 1740205
Solubility Information Soluble in water. Slightly soluble in methanol and chloroform.
Formula Weight 84.07
Percent Purity 98%
Chemical Name or Material 2-Butynoic acid
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Safety and Handling

Hazard Category H302-H312-H314-H332-H335
Hazard Statement GHS H Statement
H314-H318
Causes severe skin burns and eye damage.
Causes serious eye damage.
Precautionary Statement P260-P264b-P270-P271-P280-P303+P361+P353-P304+P340-P305+P351+P338-P310-P330-P331-P363-P501c
DOTInformation Transport Hazard Class: 8; Packing Group: II; Proper Shipping Name: CORROSIVE SOLID, ACIDIC, ORGANIC, N.O.S.
EINECSNumber 209-695-7
TSCA Yes
Recommended Storage Keep cold
SDS

RUO – Research Use Only

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