2,5-dimethyl-3-hexyne-2,5-diol
Structural formula | ||||||||||||||||
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General | ||||||||||||||||
Surname | 2,5-dimethyl-3-hexyne-2,5-diol | |||||||||||||||
other names |
2,5-dimethylhex-3-yn-2,5-diol ( IUPAC ) |
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Molecular formula | C 8 H 14 O 2 | |||||||||||||||
Brief description |
whitish solid |
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External identifiers / databases | ||||||||||||||||
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properties | ||||||||||||||||
Molar mass | 142.20 g mol −1 | |||||||||||||||
Physical state |
firmly |
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density |
0.949 g cm −3 |
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Melting point |
90-94 ° C |
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boiling point |
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Vapor pressure |
0.025 hPa (40.3 ° C) |
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solubility |
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safety instructions | ||||||||||||||||
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Toxicological data | ||||||||||||||||
As far as possible and customary, SI units are used. Unless otherwise noted, the data given apply to standard conditions . |
2,5-Dimethyl-3-hexyne-2,5-diol is a chemical compound from the group of diols with an additional C≡C triple bond .
Extraction and presentation
2,5-Dimethyl-3-hexyne-2,5-diol can be obtained by reacting acetone with ethyne in the presence of potassium hydroxide .
properties
2,5-Dimethyl-3-hexyne-2,5-diol is an off-white solid that is soluble in water.
use
It is known to be used as a wire drawing lubricant, antifoam agent, adhesion promoter in resin coatings and as an intermediate product for the production of other chemical compounds.
By reduction in the presence of a palladium - or platinum catalyst may be 2,5-dimethyl-2,5-hexanediol can be obtained.
Individual evidence
- ↑ a b c d e f g data sheet 2,5-dimethyl-3-hexyne-2,5-diol, 98% from Sigma-Aldrich , accessed on December 3, 2018 ( PDF ).
- ↑ a b c d data sheet 2,5-dimethyl-3-hexyne-2,5-diol, (±) + meso, 98% from AlfaAesar, accessed on December 3, 2018 ( PDF )(JavaScript required) .
- ↑ a b c data sheet 2,5-dimethyl-3-hexyne-2,5-diol (PDF) from Merck , accessed on December 3, 2018.
- ↑ David R. Lide: CRC Handbook of Chemistry and Physics A Ready-reference Book of Chemical and Physical Data . CRC Press, 1995, ISBN 978-0-8493-0595-5 , pp. 220 ( limited preview in Google Book search).
- ↑ a b c Entry on 2,5-dimethyl-3-hexyne-2,5-diol in the Hazardous Substances Data Bank , accessed on December 3, 2018.
- ↑ Google Patents: 2,5-Dimethyl-3-hexyne-2,5-diol production - Google Patents , accessed December 3, 2018.