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115-19-5 - 2-Methyl-3-butyn-2-ol, 98% - 2,2-Dimethylpropargyl alcohol - L07593 - Alfa Aesar

L07593 2-Methyl-3-butyn-2-ol, 98%

CAS Number
115-19-5
Synonyms
2,2-Dimethylpropargyl alcohol

Size Price ($) Quantity Availability
100ml 20.50
500ml 39.87
2500ml 121.60
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2-Methyl-3-butyn-2-ol, 98%

MDL
MFCD00004467
EINECS
204-070-5

Chemical Properties

Formula
C5H8O
Formula Weight
84.12
Melting point
2-3°
Boiling Point
103-104°
Flash Point
22°(72°F)
Density
0.863
Refractive Index
1.4210
Solubility
Fully miscible.

Applications

2-Methyl-3-butyn-2-ol is used as an intermediate in the manufacture of products for the agrochemical and specialty chemical industry.

Notes

Keep container tightly closed. Store away from oxidizing agents.

Literature References

Edward T. Sabourin.; Anatoli Onopchenko. A convenient synthesis of 4-ethynylphthalic anhydride via 2-methyl-3-butyn-2-ol. J. Org. Chem. 1983, 48, (25), 5135-5137.

D. Boyall.; F. López.; H. Sasaki.; D. Frantz.; E. M. Carreira. Enantioselective Addition of 2-Methyl-3-butyn-2-ol to Aldehydes:? Preparation of 3-Hydroxy-1-butynes. Org. Lett. 2000, 2, (26), 4233-4236.

Adduct of acetylene and acetone which acts as an acetylene equivalent in the Pd-catalyzed (Sonogashira) coupling reaction with aryl or heteroaryl halides, permitting a one-pot diarylation by different halides: Synthesis, 571 (1984):

Alternatively, the protecting group can be removed from the intermediate by base to give monoarylacetylenes: J. Org. Chem., 48, 5135 (1983); 57, 6998 (1992). For an improved procedure, see: Synthesis, 589 (1996).

GHS Hazard and Precautionary Statements

Hazard Statements: H225-H318-H302

Highly flammable liquid and vapour. Causes serious eye damage. Harmful if swallowed.

Precautionary Statements: P210-P280-P240-P241-P303+P361+P353-P305+P351+P338-P310-P301+P312-P403+P235-P501a

Keep away from heat/sparks/open flames/hot surfaces. - No smoking. Wear protective gloves/protective clothing/eye protection/face protection. Ground/bond container and receiving equipment. Use explosion-proof electrical/ventilating/lighting/ equipment. IF ON SKIN (or hair): Remove/Take off immediately all contaminated clothing. Rinse skin with water/shower. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. Immediately call a POISON CENTER or doctor/physician. IF SWALLOWED: Call a POISON CENTER or doctor/physician if you feel unwell. Store in a well-ventilated place. Keep cool. Dispose of contents/container in accordance with local/regional/national/international regulations.

Other References

Merck
14,6034
Beilstein
635746
Hazard Class
3
Packing Group
II
Harmonized Tariff Code
2905.29
TSCA
Yes
RTECS
ES0810000

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