3-Butyne-2-ol, extra pure >98%

Name: 3-Butyne-2-ol, extra pure >98%
Brand: Vaqora Chemicals
SKU: VQ-019937

About 3-Butyne-2-ol, extra pure >98%

Listed under CAS 2028-63-9, 3-Butyne-2-ol is an alcohol building block available from Vaqora Chemicals (Extra Pure grade), specified at above 98% purity. The compound has the formula C4H6O, corresponding to a molecular weight of 70.09 g/mol. Systematically, it is named but-3-yn-2-ol. It is also known as 3-Butyn-2-ol or Methylethynylcarbinol.

The product is provided as a liquid. Keep containers tightly closed in a cool, well-ventilated area away from heat and ignition sources. Under GHS it is labelled “Danger”, so handle it with suitable PPE and consult the SDS.

It is commonly used for organic synthesis and API synthesis. It is used across pharmaceutical manufacturing and academic and industrial research.

Standard pack sizes are 25 mL, 100 mL and 500 mL, and every batch ships with a Certificate of Analysis (COA) and we export worldwide.

Typical applications

Organic synthesis
API synthesis

Industries

Grade guides

Specifications & identifiers

Chemical identifiers
Product name	3-Butyne-2-ol, extra pure >98%
Catalogue No.	VQ-019937
CAS Number	2028-63-9
IUPAC name	but-3-yn-2-ol
Molecular formula	C₄H₆O
Molecular weight	70.09 g/mol
Exact mass	70.0419
Grade	Extra Pure
Purity / assay	>98%
InChIKey	GKPOMITUDGXOSB-UHFFFAOYSA-N
SMILES	CC(C#C)O
PubChem CID	16239

Physical properties
Physical form	Liquid
LogP (XLogP3)	0.1
H-bond donors / acceptors	1 / 1
TPSA	20.2 Å²
Synonyms	3-Butyn-2-ol, Methylethynylcarbinol, 1-Methylpropargyl alcohol, 3-Hydroxy-1-butyne, 1-Ethynylethanol, 1-Methyl-2-propynyl alcohol, Ethynylmethylcarbinol, (+/-)-3-butyn-2-ol, .alpha.-Methylpropargyl alcohol, (R)-(+)-1-Butyn-3-ol, alpha-Methylpropargyl alcohol, dl-3-butyn-2-ol

Safety & hazard information (GHS)

Flammable

Corrosive

Toxic

Harmful / irritant

Signal word: Danger

Hazard statements

H225Highly flammable liquid and vapor
H226Flammable liquid and vapor
H300Fatal if swallowed
H310Fatal in contact with skin
H315Causes skin irritation
H318Causes serious eye damage
H319Causes serious eye irritation
H330Fatal if inhaled
H412Harmful to aquatic life with long lasting effects

Precautionary statements: P210, P233, P240, P241, P242, P243, P260, P262, P264, P264 + P265, P270, P271, P273, P280, P284, P301 + P316, P302 + P352, P303 + P361 + P353, P304 + P340, P305 + P351 + P338, P305 + P354 + P338, P316, P317, P320

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-Butyne-2-ol, extra pure >98%?

The CAS Registry Number of 3-Butyne-2-ol, extra pure >98% is 2028-63-9. It is also known as 3-Butyn-2-ol, Methylethynylcarbinol, 1-Methylpropargyl alcohol.

What is the molecular formula and molecular weight of 3-Butyne-2-ol, extra pure >98%?

3-Butyne-2-ol, extra pure >98% has the molecular formula C4H6O and a molecular weight of 70.09 g/mol. Its IUPAC name is but-3-yn-2-ol.

Which grade and pack sizes of 3-Butyne-2-ol, extra pure >98% can I order?

We supply 3-Butyne-2-ol, extra pure >98% in Extra Pure (>98%) grade, in 25 mL, 100 mL, 500 mL packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with 3-Butyne-2-ol, extra pure >98%?

Yes. Every lot of 3-Butyne-2-ol, extra pure >98% 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-Butyne-2-ol, extra pure >98% be shipped internationally?

Yes. 3-Butyne-2-ol, extra pure >98% 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.