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2-Methyl-3-butyn-2-ol

ALDRICH/129763 - 98%

Synonym: Dimethyl ethynyl carbinol

CAS Number: 115-19-5
Empirical Formula (Hill Notation): C5H8O
Molecular Weight: 84.12
EC Number: 204-070-5
MDL Number: MFCD00004467
Linear Formula: HC≡CC(CH3)2OH
Product Type: Chemical
Catalog Number PKG Qty. Price Quantity
45-129763-5ML 5 mL
 $0.00
1/EA
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45-129763-100ML 100 mL
 $40.70
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45-129763-1L 1 L
 $96.50
1/EA		 Add To Favorites
This picture is provided solely for illustration purposes. Optical properties of the actual product may deviate. Relevant product information is printed on labeled products and other accompanying or available information material. This image depicts SKU: 129763-100ML.
This picture is provided solely for illustration purposes. Optical properties of the actual product may deviate. Relevant product information is printed on labeled products and other accompanying or available information material. This image depicts SKU: 129763-1L.

 

assay 98%
autoignition temp. 662 °F
bp 104 °C (lit.)
density 0.868 g/mL at 25 °C (lit.)
expl. lim. 16.6 %
form liquid
InChI 1S/C5H8O/c1-4-5(2,3)6/h1,6H,2-3H3
InChI key CEBKHWWANWSNTI-UHFFFAOYSA-N
mp 2.6 °C (lit.)
Quality Level 200 
refractive index n20/D 1.42 (lit.)
SMILES string CC(C)(O)C#C
vapor pressure 15 mmHg ( 20 °C)
Application: 2-Methyl-3-butyn-2-ol can be used as a reactant to synthesize:,·
• Aryl-2-methyl-3-butyn-2-ols via Pd-catalyzed Sonogashira coupling reaction with various aryl bromides.      
• 2-Methyl-3-buten-2-ol (MBE) by Pd/γ-Al2O3 catalyzed selective hydrogenation reaction. MBE is applicable as an important intermediate in the synthesis of vitamin A.      
• Diarylacetylenes via Pd-catalyzed Sonogashira coupling reaction with aryl chlorides in the presence of Cs2CO3 as a base. 
• Optically active propargylic alcohols by enantioselective addition reaction with various aldehydes in the presence of Zn(OTf)2 and N-methylephedrine.
Packaging: 1 L in glass bottle
Packaging: 5, 100 mL in glass bottle
Purity 98%
bp 104 °C (lit.)
mp 2.6 °C (lit.)
Density 0.868 g/mL at 25 °C (lit.)
Refractive Index n20/D 1.42 (lit.)
UNSPSC 12352100

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