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CAS 927-74-2

CAS 927-74-2 matches 0 EU annex records across Annex II–VI of Regulation 1223/2009.

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Chemical identity and properties

PubChem 2D chemical structure for CAS 927-74-2
CAS 927-74-2PubChem CID 13566

3-Butyn-1-OL

IUPAC name
but-3-yn-1-ol
Molecular formula
C4H6O
Molecular weight
70.09 g/mol
Exact mass
70.041864811 Da
XLogP3
0.1
Topological polar surface area
20.2 Ų
Hydrogen-bond donors
1
Hydrogen-bond acceptors
1
Covalent units
1
Defined stereocentres
0

Also known as

3-Butynol3-Butynyl alcohol1-Butyn-4-ol4-Hydroxy-1-butyneNSC-9708P74L430293CHEBI:27444RefChem:93308
16 more reported names
213-161-93-Butyne-1-ol2-Hydroxyethylacetylenehomopropargyl alcohol(2-Hydroxyethyl)acetylene4-hydroxy-butyneNSC 97084-hydroxy-but-1-yne1-butyne-4-olEINECS 213-161-9BRN 07737104-hydroxybutyneAI3-254533-butyn-olUNII-P74L4302933butyn-1-ol
Open full PubChem recordPubChem annotations3D structure image
External database identifiers

Retrieved from NIH PubChem on 2026-08-31 by checksum-valid CAS matching. Chemical properties do not replace the regulatory decision on this page.

Records for CAS 927-74-2

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How CAS 927-74-2 is used on this site

CAS 927-74-2 is the Chemical Abstracts Service identifier used to pin this page to a specific substance. In the current dataset, 0 EU annex records share this identifier, which helps you cross-check whether the same substance appears under one regulatory context or several.

Use this page when a supplier specification, SDS or raw-material dossier gives you CAS 927-74-2 and you need to see every linked Annex II–VI record in one place. The entry cards above are the quickest route to concentration limits, warnings, annex placement and product-type conditions.