Structure Search
Product Name: But-3-yn-2-one
Catalog No.: A050209
Spec/Purity: 97%
CAS No.: 1423-60-5
Molecular Weight: 68.08
Molecular Formula: C4H4O
UN Number
UN1992
Hazard Class(es)
3(6.1),3(6.1),3(6.1)
Packaging Group
II,II,II
Pictograms
Hazard Statements
H225-H300-H315-H319-H335
Precautionary Statements
P210-P233-P240-P241-P242-P243-P261-P264-P270-P271-P280+P301+P310+P330-P303+P361+P353-P304+P340+P312-P305+P351+P338-P332+P313-P337+P313-P370+P378+P403+P233-P403+P235-P405+P501+H225+H300-H315-H319-H335