• Thumbnail for Propyne
    welding. Unlike acetylene, propyne can be safely condensed. Propyne exists in equilibrium with propadiene, the mixture of propyne and propadiene being called...
    9 KB (737 words) - 00:26, 24 August 2024
  • Thumbnail for Alkyne
    {\displaystyle {H} \atop |}{\underset {| \atop \displaystyle {H}}{C}}}}{\ce {-H}}} Propyne H − C ≡ C − C | H H | − C | H H | − H {\displaystyle {\ce {H-C#C}}{-}{\ce...
    21 KB (2,694 words) - 15:06, 25 July 2024
  • Thumbnail for Propadiene
    specialized welding. Allene exists in equilibrium with methylacetylene (propyne) and the mixture is sometimes called MAPD for methylacetylene-propadiene:...
    4 KB (253 words) - 19:49, 24 August 2024
  • Thumbnail for MAPP gas
    Carbide, for a fuel gas based on a stabilized mixture of methylacetylene (propyne), propadiene and propane. The name comes from the original chemical composition...
    8 KB (1,094 words) - 08:20, 2 September 2024
  • Thumbnail for Propargyl bromide
    A colorless liquid, it is a halogenated organic compound consisting of propyne with a bromine substituent on the methyl group. It has a lachrymatory effect...
    5 KB (449 words) - 12:49, 10 October 2024
  • Thumbnail for Propargyl chloride
    3-Chloroprop-1-yne Other names Propargyl chloride, 3-Chloropropyne, 1-Chloro-2-propyne, 2-Propynyl chloride, Gamma-Chloroallylene, UN 2345 Identifiers CAS Number...
    2 KB (71 words) - 00:15, 26 November 2021
  • g/mol, exact mass: 40.0313 u) may refer to: Cyclopropene, a cyclic alkene Propyne (a.k.a. methylacetylene), a common alkyne Propadiene, an allene This set...
    336 bytes (68 words) - 10:58, 25 January 2024
  • Thumbnail for Propargyl group
    2-propynyl with the structure CH≡C−CH2−. It is an alkyl group derived from propyne (HC≡C−CH3). The term propargylic refers to a saturated position (sp3-hybridized)...
    2 KB (159 words) - 08:27, 3 February 2023
  • Thumbnail for Methyl methacrylate
    Methyl methacrylate (MMA) is an organic compound with the formula CH2=C(CH3)COOCH3. This colorless liquid, the methyl ester of methacrylic acid (MAA),...
    19 KB (1,711 words) - 20:27, 28 September 2024
  • Thumbnail for 2-Methoxypropene
    elimination of methanol from dimethoxypropane, or by the addition of methanol to propyne or allene. Whitaker, K. Sinclair; Whitaker, D. Todd (2001). "2-Methoxypropene"...
    3 KB (166 words) - 12:46, 31 March 2024
  • Thumbnail for Penta-2,3-dienedioic acid
    to be synthesized, in 1887, but the structure of it was thought to be a propyne core instead of an allene. The correct structural isomeric identity was...
    2 KB (160 words) - 19:10, 20 August 2024
  • mixture of two or more of propane, butane, butadiene, methylacetylene (propyne, CH3C≡CH) and propadiene (CH2=C=CH2). They are marketed under different...
    1 KB (137 words) - 11:53, 17 August 2023
  • that include three atoms are: Propane C3H8 Propene C3H6 Cyclopropane C3H6 propyne C3H4 Cyclopropene C3H4 Propadiene C3H4 Cyclopropenylidene C3H2 Cyclopropyne...
    1 KB (160 words) - 23:32, 10 December 2023
  • passing propyne gas through a solution of n-butyllithium or by direct metallization of propyne with lithium in liquid ammonia or other solvent. Propyne, however...
    4 KB (317 words) - 00:39, 7 May 2023
  • Thumbnail for Hyperconjugation
    bonds (σ bonds). For example, the single C–C bonds in 1,3-butadiene and propyne are approximately 1.46 Å in length, much less than the value of around...
    20 KB (2,394 words) - 12:04, 1 May 2024
  • Thumbnail for Water
    radical Heavy water Hydrogen cyanide Hydrogen deuteride Hydrogen isocyanide Propyne N2D+ Trihydrogen cation Unconfirmed Anthracene Dihydroxyacetone Methoxyethane...
    171 KB (20,166 words) - 09:11, 12 October 2024
  • Thumbnail for Allenes
    ethylene), making it slightly more acidic than the propargylic C–H bond of propyne (382 kcal/mol). The 13C NMR spectrum of allenes is characterized by the...
    40 KB (4,305 words) - 04:10, 21 August 2024
  • Thumbnail for Life
    radical Heavy water Hydrogen cyanide Hydrogen deuteride Hydrogen isocyanide Propyne N2D+ Trihydrogen cation Unconfirmed Anthracene Dihydroxyacetone Methoxyethane...
    107 KB (10,463 words) - 03:39, 1 October 2024
  • radical Heavy water Hydrogen cyanide Hydrogen deuteride Hydrogen isocyanide Propyne N2D+ Trihydrogen cation Unconfirmed Anthracene Dihydroxyacetone Methoxyethane...
    24 KB (3,205 words) - 14:13, 13 July 2024
  • Thumbnail for Outer space
    radical Heavy water Hydrogen cyanide Hydrogen deuteride Hydrogen isocyanide Propyne N2D+ Trihydrogen cation Unconfirmed Anthracene Dihydroxyacetone Methoxyethane...
    137 KB (13,488 words) - 16:04, 20 September 2024
  • radical Heavy water Hydrogen cyanide Hydrogen deuteride Hydrogen isocyanide Propyne N2D+ Trihydrogen cation Unconfirmed Anthracene Dihydroxyacetone Methoxyethane...
    117 KB (13,700 words) - 23:37, 13 October 2024
  • Thumbnail for Hydrogen peroxide
    radical Heavy water Hydrogen cyanide Hydrogen deuteride Hydrogen isocyanide Propyne N2D+ Trihydrogen cation Unconfirmed Anthracene Dihydroxyacetone Methoxyethane...
    92 KB (9,247 words) - 05:39, 26 September 2024
  • CH2(OH)2 methanediol 463-57-0 CH2OHCH2OH ethylene glycol 107-21-1 CH3CCH propyne 74-99-7 CH3CdCH3 dimethylcadmium 506-82-1 CH3CHCHCH3 2-butene 107-01-7...
    183 KB (107 words) - 22:11, 6 September 2024
  • Thumbnail for Benzene
    Linear alkynes Ethyne Propyne Butyne Pentyne Hexyne Heptyne Octyne Nonyne Decyne Branched alkynes Isopentyne Isohexyne Isoheptyne Isooctyne Isononyne...
    91 KB (9,542 words) - 16:34, 9 October 2024
  • Thumbnail for Acetic acid
    radical Heavy water Hydrogen cyanide Hydrogen deuteride Hydrogen isocyanide Propyne N2D+ Trihydrogen cation Unconfirmed Anthracene Dihydroxyacetone Methoxyethane...
    62 KB (6,567 words) - 03:54, 13 October 2024
  • Thumbnail for Nitrogen
    radical Heavy water Hydrogen cyanide Hydrogen deuteride Hydrogen isocyanide Propyne N2D+ Trihydrogen cation Unconfirmed Anthracene Dihydroxyacetone Methoxyethane...
    105 KB (12,206 words) - 16:47, 4 October 2024
  • Thumbnail for Methane
    radical Heavy water Hydrogen cyanide Hydrogen deuteride Hydrogen isocyanide Propyne N2D+ Trihydrogen cation Unconfirmed Anthracene Dihydroxyacetone Methoxyethane...
    90 KB (8,853 words) - 17:28, 13 October 2024
  • Thumbnail for Potassium chloride
    radical Heavy water Hydrogen cyanide Hydrogen deuteride Hydrogen isocyanide Propyne N2D+ Trihydrogen cation Unconfirmed Anthracene Dihydroxyacetone Methoxyethane...
    21 KB (2,000 words) - 23:07, 18 May 2024
  • Thumbnail for Deuterium
    radical Heavy water Hydrogen cyanide Hydrogen deuteride Hydrogen isocyanide Propyne N2D+ Trihydrogen cation Unconfirmed Anthracene Dihydroxyacetone Methoxyethane...
    70 KB (8,765 words) - 13:31, 23 September 2024
  • Thumbnail for Isomer
    I) the carbons are connected by two double bonds, while in the other (propyne or methylacetylene; II) they are connected by a single bond and a triple...
    41 KB (5,523 words) - 06:03, 19 July 2024