2-Butynal
Preliminary reference disclaimer
This preliminary safety reference is generated from structured MolGraph catalog fields and public reference-style data. It is not a supplier-issued Safety Data Sheet and should not be used as a substitute for supplier-issued documentation, workplace safety review, transport classification, or regulatory compliance decisions. For supplier SDS or COA, submit a documentation request through MolGraph.
Preliminary safety reference
Available
Supplier-issued SDS
Available by request
COA
Available by RFQ / lot confirmation
Transport classification
Requires shipment review
CAS Number
1119-19-3
Chemical name
2-Butynal
Molecular formula
C4H4O
Molecular weight
68.07 g/mol
Synonyms
Tetrolaldehyde; Methylacetyllealdehyde; 1-Formyl-1-propyne; InChI=1/C4H4O/c1-2-3-4-5/h4H,1H; METHYLPROPIOLIC ALDEHYDE; CH3C.equiv.CCHO; 2-Butynal (9CI); butaline; US10221162, Example 764.0; (2R,3S)-N-(4-(2,6-dimethoxyphenyl)-5-(5-methyl-3-pyridinyl)-4H-1,2,4-triazol-3-
InChIKey
REJPDMLLCDXIOV-UHFFFAOYSA-N
PubChem CID
136875
No GHS reference data is available in the current MolGraph catalog record.
Handling and PPE reference fields are not available in the current MolGraph catalog record.
First aid and accidental release reference fields are not available in the current MolGraph catalog record.
Firefighting and stability reference fields are not available in the current MolGraph catalog record.
Appearance
Liquid
Catalog reference value; verify against supplier SDS before use.
Shipment review
Shipment details require review before fulfillment.
Transport classification must be confirmed using supplier SDS and shipment documentation before dispatch.