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Home/Compounds/Research Reagent/3-butynol
C4H6O
70.09 g/mol
Research ReagentWarning

3-BUTYN-1-OL

CAS927-74-2EC213-161-9
Category
Research Reagent
Compound Class
Alcohol
Primary Use
Research Compound

3-Butyn-1-ol is a small organic compound containing both an alcohol group and a terminal alkyne. It is primarily used as a biochemical research reagent in laboratory settings.

biochemical researchlaboratory reagent

Content scope: Information here supports chemical identification and industrial supply, research, and manufacturing contexts. It is not a therapeutic claim, medical advice, or drug-use instructions.

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Safety Reference

Flammable
Flammable
Harmful
Harmful
Warning
H226Flammable liquid and vapour
H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation

Customs Tariff Classification

The international HS code for 3-BUTYN-1-OL (CAS 927-74-2) is 2905.29.

HS code (international, 6-digit)

2905.29

EU CN code (8-digit)

2905 29 90

Classification per the EU customs inventory ECICS (2026-07 snapshot, HS 2022). National tariff lines and product form can affect the final classification.

Identifiers
IUPAC Name

but-3-yn-1-ol

InChIKey

OTJZCIYGRUNXTP-UHFFFAOYSA-N

SMILES

C#CCCO

Synonyms (17)
  • 1-Butyn-4-ol
  • 1-butyne-4-ol
  • 1-hydroxy-3-butyne
  • 1-hydroxybut-3-yne
  • 2-Hydroxyethylacetylene
  • 3-BUTYN-1-OL
  • 3-Butyne-1-ol
  • 3-Butynol
  • 3-Butynyl alcohol
  • 3-butin-1-ol
  • 4-Hydroxy-1-butyne
  • 4-butyne-1-ol
  • 4-hydroxy-but-1-yne
  • 4-hydroxy-butyne
  • HC.$.CCH2CH2OH
  • homopropargyl alcohol
  • homopropargylic alcohol

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