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244341

Sigma-Aldrich

2-Butyn-1-ol

98%

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About This Item

Linear Formula:
CH3C≡CCH2OH
CAS Number:
764-01-2
Molecular Weight:
70.09
Beilstein/REAXYS Number:
1733676
EC Number:
212-113-4
MDL number:
MFCD00002914
UNSPSC Code:
12352100
PubChem Substance ID:
24854668
NACRES:
NA.22

assay

98%

form

liquid

refractive index

n20/D 1.453 (lit.)

bp

142-143 °C (lit.)

mp

−2.2 °C (lit.)

density

0.937 g/mL at 25 °C (lit.)

SMILES string

CC#CCO

InChI

1S/C4H6O/c1-2-3-4-5/h5H,4H2,1H3

InChI key

NEEDEQSZOUAJMU-UHFFFAOYSA-N

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Application

2-Butyn-1-ol was used in the synthesis of homocoupling products, [{Ru(P(OCH3)3)2(CH3CN)3}2{μ-SCRCHCH(OCH2CCR)S}](CF3SO3)4.
Synthesis of macrocyclic ethers via metathesis reactions of cyclohexanes and cyclohexenes with allylic and propargylic side chains.†

pictograms

FlameExclamation mark
GHS02,GHS07

signalword

Warning

Hazard Classifications

Eye Irrit. 2 - Flam. Liq. 3 - Skin Irrit. 2 - STOT SE 3

target_organs

Respiratory system

Storage Class

3 - Flammable liquids

wgk_germany

WGK 3

flash_point_f

123.8 °F - closed cup

flash_point_c

51 °C - closed cup

ppe

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

Certificates of Analysis (COA)

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European Journal of Organic Chemistry, 3727-3727 (2007)
Kazuko Matsumoto et al.
Journal of the American Chemical Society, 124(44), 13106-13113 (2002-10-31)
A variety of inter- and intramolecular dehydration was found in the reactions of [[Ru(P(OCH(3))(3))(2)(CH(3)CN)(3)](2)(mu-S(2))](CF(3)SO(3))(4) (1) with hydroxyl substituted alkenes and alkynes. Treatment of 1 with allyl alcohol gave a C(3)S(2) five-membered ring complex, [[Ru(P(OCH(3))(3))(2)(CH(3)CN)(3)](2)[mu-SCH(2)CH(2)CH(OCH(2)CH=CH(2))S]](CF(3)SO(3))(4) (2), via C-S bond formation after

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