CAS : 471-25-0
UN# : UN2920
MDL : MFCD00004360
Hazard Class : 8
EINECS : 207-437-8
Packing Group : II
Other name :
Acetylenecarboxylic acidPropargylic acid
Chemical Properties
Formula : HC≡CCO2H
Formula weight : 70.05
Melting Point : 18°
Boiling Point : 102°/200mm
Flash point : 58°(136°F)
Density : 1.136
Refractive Index : 1.4330
Sensitivity : Keep Cold.
Form : Liquid
Solubility : Miscible with water, ether, ethanol and chloroform.
Literature References
Alkylation of the dilithio-derivative leads to higher 2-alkynoic acids. Reaction with epoxides, partial reduction (Lindlar) of the triple bond and cyclization has been used in the synthesis of unsaturated lactones: Tetrahedron Lett., 2615 (1974); J. Org. Chem., 40, 1610 (1975).
Notes
Store in cool place. Incompatible with bases, oxidizing agents and reducing agents.Other References:Beilstein: 878176Merck: 14,7824UN#: UN2920
Grade Specifications
Grade Specifications
Hazard Statements : H301-H310-H314-H318-H226Toxic if swallowed.Fatal in contact with skin.Causes severe skin burns and eye damage.Causes serious eye damage.Flammable liquid and vapour.
Precautionary Statements : P210-P301+P310-P303+P361+P353-P305+P351+P338-P361-P405-P501aKeep away from heat/sparks/open flames/hot surfaces. – No smoking.IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician.IF ON SKIN (or hair): Remove/Take off immediately all contaminated clothing. Rinse skin with water/shower.IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.Remove/Take off immediately all contaminated clothing.Store locked up.Dispose of contents/container in accordance with local/regional/national/international regulations.
| Pakage | 100g, 25g, 5g |
|---|---|
| brand | Alfa Aesar |
