3-Butyn-1-ol, 97%

Name: 3-Butyn-1-ol, 97%
Brand: Vaqora Chemicals
SKU: VQ-010001

About 3-Butyn-1-ol, 97%

3-Butyn-1-ol is an alcohol building block carrying the CAS registry number 927-74-2 at a purity of 97%. Formula C4H6O, molecular weight 70.09 g/mol. Systematically, it is named but-3-yn-1-ol. Alternative names: 3-Butynol and 4-Hydroxy-1-butyne.

It is supplied as a liquid. Reported physical data include a melting point of −63.6 °C and a density of 0.926 g/mL at 25 °C. Store in a cool, well-ventilated place, away from sources of ignition, with the container tightly sealed. The GHS classification uses the signal word “Warning”, so appropriate gloves, eye protection and ventilation are recommended.

Typical applications include catalysis and organic synthesis. Our customers for this product work in pharmaceutical manufacturing and academic and industrial research.

Vaqora Chemicals supplies 3-Butyn-1-ol in 50 mL and 250 mL packs, each shipped with a Certificate of Analysis (COA), and exports worldwide.

Typical applications

Catalysis
Organic synthesis

Industries

Specifications & identifiers

Chemical identifiers
Product name	3-Butyn-1-ol, 97%
Catalogue No.	VQ-010001
CAS Number	927-74-2
IUPAC name	but-3-yn-1-ol
Molecular formula	C₄H₆O
Molecular weight	70.09 g/mol
Exact mass	70.0419
Purity / assay	97%
HSN code	29399900
InChIKey	OTJZCIYGRUNXTP-UHFFFAOYSA-N
SMILES	C#CCCO
PubChem CID	13566

Physical properties
Physical form	Liquid
Appearance	Liquid
Melting point	−63.6 °C
Density	0.926 g/mL at 25 °C
LogP (XLogP3)	0.1
H-bond donors / acceptors	1 / 1
TPSA	20.2 Å²
Synonyms	3-Butynol, 4-Hydroxy-1-butyne, 3-Butynyl alcohol, 1-Butyn-4-ol, 3-Butyne-1-ol, 2-Hydroxyethylacetylene, homopropargyl alcohol, (2-Hydroxyethyl)acetylene, 4-hydroxy-butyne, 4-hydroxy-but-1-yne, 1-butyne-4-ol, 4-hydroxybutyne

Safety & hazard information (GHS)

Flammable

Harmful / irritant

Signal word: Warning

Hazard statements

H226Flammable liquid and vapor
H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation

Precautionary statements: P210, P233, P240, P241, P242, P243, P261, P264, P264 + P265, P271, P280, P302 + P352, P303 + P361 + P353, P304 + P340, P305 + P351 + P338, P319, P321, P332 + P317, P337 + P317, P362 + P364, P370 + P378, P403 + P233, P403 + P235, P405

Classification is indicative (aggregated GHS notifications) and may vary by grade and concentration. Always refer to the SDS supplied with your lot.

Documents

Safety Data Sheet (SDS)16-section GHS · on request Certificate of AnalysisTypical / batch COA · on request Specification sheetTDS / MOA · on request

Frequently asked questions

What is the CAS number of 3-Butyn-1-ol, 97%?

The CAS Registry Number of 3-Butyn-1-ol, 97% is 927-74-2. It is also known as 3-Butynol, 4-Hydroxy-1-butyne, 3-Butynyl alcohol.

What is the molecular formula and molecular weight of 3-Butyn-1-ol, 97%?

3-Butyn-1-ol, 97% has the molecular formula C4H6O and a molecular weight of 70.09 g/mol. Its IUPAC name is but-3-yn-1-ol.

Which grade and pack sizes of 3-Butyn-1-ol, 97% can I order?

We supply 3-Butyn-1-ol, 97% in (97%) grade, in 50 mL, 250 mL packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with 3-Butyn-1-ol, 97%?

Yes. Every lot of 3-Butyn-1-ol, 97% is shipped with a batch-specific Certificate of Analysis, and a 16-section GHS Safety Data Sheet is provided with the quotation and the shipment.

Can 3-Butyn-1-ol, 97% be shipped internationally?

Yes. 3-Butyn-1-ol, 97% is classified as hazardous, so it is packed in UN-approved packaging and shipped as dangerous goods under IATA/IMDG rules. We export worldwide on EXW, FOB, CIF and DAP terms.