Skip to Content
MilliporeSigma
All Photos(2)

Key Documents

View All Documentation

447986

Sigma-Aldrich

3-Butyn-2-ol

97%

Synonym(s):

(RS)-1-Butyn-3-ol, (±)-3-Butyn-2-ol, (±)-But-1-yn-3-ol, 1-Butyn-3-ol, 1-Methyl-2-propyn-1-ol, 1-Methylpropargyl alcohol, 2-Hydroxy-3-butyne, 3-Methyl-1-propyn-3-ol

Sign Into View Organizational & Contract Pricing
All Photos(2)

About This Item

Linear Formula:
HC≡CCH(OH)CH3
CAS Number:
2028-63-9
Molecular Weight:
70.09
EC Number:
217-978-1
MDL number:
MFCD00004541
UNSPSC Code:
12352100
PubChem Substance ID:
24868376
NACRES:
NA.22

assay

97%

refractive index

n20/D 1.426 (lit.)

bp

66-67 °C/150 mmHg (lit.)

density

0.894 g/mL at 25 °C (lit.)

functional group

hydroxyl

SMILES string

CC(O)C#C

InChI

1S/C4H6O/c1-3-4(2)5/h1,4-5H,2H3

InChI key

GKPOMITUDGXOSB-UHFFFAOYSA-N

Looking for similar products? Visit Product Comparison Guide

signalword

Danger

Hazard Classifications

Acute Tox. 2 Dermal - Acute Tox. 2 Inhalation - Acute Tox. 2 Oral - Aquatic Chronic 3 - Eye Dam. 1 - Flam. Liq. 2 - Self-react. G - Skin Irrit. 2

Storage Class

3 - Flammable liquids

wgk_germany

WGK 3

flash_point_f

42.8 °F - closed cup

flash_point_c

6 °C - closed cup

ppe

Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter

Choose from one of the most recent versions:

Certificates of Analysis (COA)

Lot/Batch Number
MKCR0220
MKCQ5784
MKCN6828
MKCM9594
MKCJ4040

Don't see the Right Version?

If you require a particular version, you can look up a specific certificate by the Lot or Batch number.

Search for a COA

Already Own This Product?

Find documentation for the products that you have recently purchased in the Document Library.

Visit the Document Library

Vibrational Circular Dichroism within the polarizable continuum model: a theoretical evidence of conformation effects and hydrogen bonding for (S)-(-)-3-butyn-2-ol in CCl4 solution.
Cappelli C, et al.
The Journal of Physical Chemistry A, 106(51), 12331-12339 (2002)
Calculation of the molecular ordering parameters of (?)-3-butyn-2-ol dissolved in an organic solution of poly (γ-benzyl-l-glutamate).
Lesot P, et al.
The Journal of Physical Chemistry A, 101(31), 5719-5724 (1997)
Lipase-catalyzed kinetic resolution of 3-butyn-2-ol.
Nakamura K, et al.
Tetrahedron Asymmetry, 9(24), 4429-4439 (1998)

Articles

Functionalized Alkynes

Alkynes contain a highly versatile functional group that may be utilized for numerous reactions such as electrophilic additions of hydrogen, halogens, hydrogen halides, or water; metathesis; hydroboration; oxidative cleavage; C–C coupling; and cycloadditions

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Contact Technical Service