Please login to your online account to display your discounted pricing

Alfa Aesar™ 2-Butynoic acid, 98%

Chemical Identifiers

Chemical Name or Material 2-Butynoic acid
CAS 590-93-2
Molecular Formula C4H4O2
Linear Formula CH3C≡CCO2H
Formula Weight 84.07g/mol
MDL Number MFCD00004363
UN Number UN3261
Beilstein 1740205
Synonym Tetrolic acid
View More Specs
Products
Catalog Number Mfr. No. Quantity Price Quantity    

AAA1554203

 
alfa aesar™
A15542-03
1g CALL N/A N/A
 Please call Customer Service at 1-800-234-7437 or send an email to help@thermofisher.com for assistance.

AAA1554206

 
alfa aesar™
A15542-06
5g CALL N/A N/A
 Please call Customer Service at 1-800-234-7437 or send an email to help@thermofisher.com for assistance.

AAA1554214

 
alfa aesar™
A15542-14
25g CALL N/A N/A
 Please call Customer Service at 1-800-234-7437 or send an email to help@thermofisher.com for assistance.
Description & Specifications

Specifications

Boiling Point 200° to 203°C
Melting Point 75° to 79°C
Quantity 1g
Chemical Name or Material 2-Butynoic acid
CAS 590-93-2
Assay 98%
Molecular Formula C4H4O2
Linear Formula CH3C≡CCO2H
Formula Weight 84.07g/mol
MDL Number MFCD00004363
UN Number UN3261
Beilstein 1740205
Synonym Tetrolic acid
Health Hazard 1 Danger
Health Hazard 2 GHS H Statement
H314-H318
Causes severe skin burns and eye damage.
Causes serious eye damage.
Health Hazard 3 GHS P Statement
P280-P305+P351+P338-P308+P313
Wear protective gloves/protective clothing/eye protection/face protection.
IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
IF exposed or concerned: Get medical advice/attention.
Recommended Storage 2° to 8°C
DOT Information Transport Hazard Class: 8; Packing Group: II; Proper Shipping Name: CORROSIVE SOLID, ACIDIC, ORGANIC, N.O.S.
TSCA TSCA

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.

Safety and Handling

Danger

GHS P Statement
P280-P305+P351+P338-P308+P313
Wear protective gloves/protective clothing/eye protection/face protection.
IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
IF exposed or concerned: Get medical advice/attention.

GHS H Statement
H314-H318
Causes severe skin burns and eye damage.
Causes serious eye damage.

2° to 8°C