Revision as of 20:46, 8 August 2011 editBeetstra (talk | contribs)Edit filter managers, Administrators172,031 edits Script assisted update of identifiers for the Chem/Drugbox validation project (updated: 'UNII', 'ChEBI').← Previous edit |
Latest revision as of 22:46, 21 October 2024 edit undo2601:280:4d81:220:6088:347b:f207:1345 (talk) I added missing information on the legal status of the compound in the summary. I provided the legal code 21 CFR § 1310.02, but not the reference: https://www.ecfr.gov/current/title-21/chapter-II/part-1310/section-1310.02Tags: Visual edit Mobile edit Mobile web edit |
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{{chembox |
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{{Chembox |
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| verifiedrevid = 408562079 |
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| verifiedrevid = 443744511 |
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| Reference=<ref>'']'', 12th Edition, '''3808'''.</ref> |
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| Reference = <ref>'']'', 12th Edition, '''3808'''.</ref> |
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| ImageFile1 = EtNH2.svg |
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| ImageFileL1 = Ethylamine-2D-skeletal.png |
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| ImageNameL1 = Simplified skeletal formula |
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| ImageNameL1 = Skeletal formula of ethylamine |
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| ImageFileL2 = Ethylamine-3D-balls.png |
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| ImageSizeR1 = 140px |
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| ImageFileL2_Ref = {{chemboximage|correct|??}} |
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| ImageFileR1 = Ethylamine-2D-flat.png |
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| ImageNameL2 = Ball and stick model of ethylamine |
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| ImageSizeR1 = 120px |
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| ImageFileR2 = Ethylamine-3D-vdW.png |
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| ImageNameR1 = Full structural formula |
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| ImageFileR2_Ref = {{chemboximage|correct|??}} |
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| ImageFile2 = Ethylamine-3D-balls.png |
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| ImageNameR2 = Spacefill model of ethylamine |
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| ImageSize2 = 180px |
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| PIN = Ethanamine |
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| ImageName2 = Ball-and-stick model |
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| OtherNames = Ethylamine |
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| IUPACName = Ethanamine |
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|Section1={{Chembox Identifiers |
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| OtherNames = Monoethylamine, Aminoethane, 1-Aminoethane, Ethamine |
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| CASNo = 75-04-7 |
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| Section1 = {{Chembox Identifiers |
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| ChemSpiderID_Ref = {{chemspidercite|correct|chemspider}} |
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| CASNo_Ref = {{cascite|correct|CAS}} |
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| PubChem = 6341 |
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| ChemSpiderID = 6101 |
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| ChemSpiderID = 6101 |
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| KEGG_Ref = {{keggcite|correct|kegg}} |
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| ChemSpiderID_Ref = {{chemspidercite|correct|chemspider}} |
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| UNII = YG6MGA6AT5 |
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| UNII_Ref = {{fdacite|correct|FDA}} |
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| EINECS = 200-834-7 |
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| UNNumber = 1036 |
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| KEGG = C00797 |
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| KEGG = C00797 |
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| KEGG_Ref = {{keggcite|correct|kegg}} |
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| InChIKey = QUSNBJAOOMFDIB-UHFFFAOYAL |
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| MeSHName = ethylamine |
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| ChEMBL_Ref = {{ebicite|correct|EBI}} |
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| ChEBI = 15862 |
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| ChEBI_Ref = {{ebicite|correct|EBI}} |
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| ChEMBL = 14449 |
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| ChEMBL = 14449 |
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| StdInChI_Ref = {{stdinchicite|correct|chemspider}} |
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| ChEMBL_Ref = {{ebicite|correct|EBI}} |
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| RTECS = KH2100000 |
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| Beilstein = 505933 |
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| Gmelin = 897 |
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| 3DMet = B00176 |
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| SMILES = CCN |
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| StdInChI = 1S/C2H7N/c1-2-3/h2-3H2,1H3 |
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| StdInChI = 1S/C2H7N/c1-2-3/h2-3H2,1H3 |
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| StdInChIKey_Ref = {{stdinchicite|correct|chemspider}} |
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| StdInChI_Ref = {{stdinchicite|correct|chemspider}} |
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| StdInChIKey = QUSNBJAOOMFDIB-UHFFFAOYSA-N |
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| StdInChIKey = QUSNBJAOOMFDIB-UHFFFAOYSA-N |
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| StdInChIKey_Ref = {{stdinchicite|correct|chemspider}} |
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| CASNo = 75-04-7 |
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| CASNo_Ref = {{cascite|correct|CAS}} |
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| EINECS = 200-834-7 |
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| PubChem = 6341 |
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| UNII = YG6MGA6AT5 |
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| ChEBI = 15862 |
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| SMILES = NCC |
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| InChI = 1/C2H7N/c1-2-3/h2-3H2,1H3 |
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| RTECS = KH2100000 |
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}} |
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| Section2 = {{Chembox Properties |
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| Formula = C<sub>2</sub>H<sub>7</sub>N |
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| MolarMass = 45.08 g/mol |
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| Appearance = Light yellow liquid |
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| Density = 0.689 g/cm<sup>3</sup> |
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| MeltingPtC = -81 |
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| BoilingPtC = 16.6 |
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| Solubility = Miscible |
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| VaporPressure = 121 kPa (20 °C) |
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| Kb=4.3 x 10^-4<ref>Hall, H.K., ''J. Am. Chem. Soc.'', '''1957''', ''79'', 5441.</ref> |
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}} |
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| Section3 = {{Chembox Hazards |
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| MainHazards = Harmful, corrosive, highly flammable |
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| FlashPt = -17 °C |
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| Autoignition = 385 °C |
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| ExploLimits = 3.5-14%<sub>V</sub> |
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| RPhrases = {{R12}}, {{R20}}, {{R22}}, {{R34}}, {{R36}}, {{R37}}, {{R38}} |
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| SPhrases = {{S16}}, {{S26}}, {{S29}} |
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| NFPA-H = 3 |
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| NFPA-F = 4 |
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| NFPA-R = 0 |
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| NFPA-O = ALK |
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}} |
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}} |
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}} |
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|Section2={{Chembox Properties |
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| C=2 | H=7 | N=1 |
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'''Ethylamine''' is an ] with the ] CH<sub>3</sub>CH<sub>2</sub>NH<sub>2</sub>. This colourless gas has a strong ]-like odor. It is ] with virtually all solvents and is considered to be a weak ], as is typical for ]s. Ethylamine is widely used in chemical industry and ]. |
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| Appearance = Colourless gas |
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| Odor = fishy, ammoniacal |
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| Density = 688 kg m<sup>−3</sup> (at 15 °C) |
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| MeltingPtK = 188 to 194 |
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| BoilingPtK = 289 to 293 |
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| Solubility = Miscible |
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| LogP = 0.037 |
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| VaporPressure = 116.5 kPa (at 20 °C) |
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| HenryConstant = 350 μmol Pa<sup>−1</sup> kg<sup>−1</sup> |
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| pKa = 10.8 (for the ]) |
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| pKb = 3.2 |
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}} |
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|Section3={{Chembox Thermochemistry |
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| DeltaHf = −57.7 kJ mol<sup>−1</sup> |
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}} |
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|Section4={{Chembox Hazards |
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| GHSPictograms = {{GHS flame}} {{GHS exclamation mark}} |
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| GHSSignalWord = '''DANGER''' |
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| HPhrases = {{H-phrases|220|319|335}} |
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| PPhrases = {{P-phrases|210|261|305+351+338|410+403}} |
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| NFPA-H = 3 |
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| NFPA-F = 4 |
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| NFPA-R = 0 |
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| FlashPtC = −37 |
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| AutoignitionPtC = 383 |
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| ExploLimits = 3.5–14% |
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| LD50 = {{Unbulleted list|265 mg kg<sup>−1</sup> <small>(dermal, rabbit)</small>|400 mg kg<sup>−1</sup> <small>(oral, rat)</small>}} |
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| PEL = TWA 10 ppm (18 mg/m<sup>3</sup>)<ref name=NIOSH>{{PGCH|0263}}</ref> |
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| REL = TWA 10 ppm (18 mg/m<sup>3</sup>)<ref name=NIOSH/> |
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| IDLH = 600 ppm<ref name=NIOSH/> |
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| LC50 = 1230 ppm (mammal)<ref name=IDLH>{{IDLH|75047|Ethylamine}}</ref> |
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| LCLo = 3000 ppm (rat, 4 hr)<br/>4000 ppm (rat, 4 hr)<ref name=IDLH/> |
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}} |
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|Section5={{Chembox Related |
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| OtherFunction_label = alkanamines |
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| OtherFunction = {{Unbulleted list|]|]|]|]|]|]|]|]}} |
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| OtherCompounds = {{Unbulleted list|]|]}} |
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}} |
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}} |
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'''Ethylamine''', also known as '''ethanamine''', is an ] with the ] CH<sub>3</sub>CH<sub>2</sub>NH<sub>2</sub>. This colourless gas has a strong ]-like odor. It condenses just below room temperature to a liquid ] with virtually all solvents. It is a nucleophilic ], as is typical for ]s. Ethylamine is widely used in chemical industry and ].<ref name=Ullmann/> It is a DEA list I chemical by 21 CFR § 1310.02. |
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==Synthesis== |
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==Synthesis== |
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Ethylamine is produced on a large scale by two processes. Most commonly ] and ] are combined in the presence of an oxide ]: |
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Ethylamine is produced on a large scale by two processes. Most commonly ] and ] are combined in the presence of an oxide ]: |
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:CH<sub>3</sub>CH<sub>2</sub>OH + NH<sub>3</sub> → CH<sub>3</sub>CH<sub>2</sub>NH<sub>2</sub> + H<sub>2</sub>O |
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:CH<sub>3</sub>CH<sub>2</sub>OH + NH<sub>3</sub> → CH<sub>3</sub>CH<sub>2</sub>NH<sub>2</sub> + H<sub>2</sub>O |
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In this reaction, ethylamine is coproduced together with ] and ]. In aggregate, approximately 80M kilograms/year of these three amines are produced industrially.<ref>Karsten Eller, Erhard Henkes, Roland Rossbacher, Hartmut Höke, “Amines, Aliphatic” Ullmann's Encyclopedia of Industrial Chemistry, Wiley-VCH, Weinheim, 2005.{{DOI|10.1002/14356007.a02_001}}</ref> |
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In this reaction, ethylamine is coproduced together with ] and ]. In aggregate, approximately 80M kilograms/year of these three amines are produced industrially.<ref name=Ullmann>Karsten Eller, Erhard Henkes, Roland Rossbacher, Hartmut Höke, "Amines, Aliphatic" Ullmann's Encyclopedia of Industrial Chemistry, Wiley-VCH, Weinheim, 2005.{{doi|10.1002/14356007.a02_001}}</ref> |
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It is also produced by ] of ]. |
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It is also produced by ] of ]. |
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:CH<sub>3</sub>CHO + NH<sub>3</sub> + H<sub>2</sub> → CH<sub>3</sub>CH<sub>2</sub>NH<sub>2</sub> + H<sub>2</sub>O |
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:CH<sub>3</sub>CHO + NH<sub>3</sub> + H<sub>2</sub> → CH<sub>3</sub>CH<sub>2</sub>NH<sub>2</sub> + H<sub>2</sub>O |
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Ethylamine can be prepared by several other routes, but these are not economical. ] and ] combine to give ethylamine in the presence of an ] or related basic ]s.<ref>Ulrich Steinbrenner, Frank Funke, Ralf Böhling, , United States Patent 7161039.</ref> |
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Ethylamine can be prepared by several other routes, but these are not economical. ] and ] combine to give ethylamine in the presence of a ] or related basic ]s.<ref>Ulrich Steinbrenner, Frank Funke, Ralf Böhling, {{webarchive|url=https://archive.today/20120912102105/http://www.patentstorm.us/patents/7161039-claims.html |date=2012-09-12 }}, United States Patent 7161039.</ref> |
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:H<sub>2</sub>C=CH<sub>2</sub> + NH<sub>3</sub> → CH<sub>3</sub>CH<sub>2</sub>NH<sub>2</sub> |
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:H<sub>2</sub>C=CH<sub>2</sub> + NH<sub>3</sub> → CH<sub>3</sub>CH<sub>2</sub>NH<sub>2</sub> |
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Hydrogenation of ], ], and ] affords ]. These reactions can be effected stoichiometrically using ]. In another route, ethylamine can be synthesized via ] of a haloethane (such as ] or ]) with ], utilizing a strong base such as ]. This method affords significant amounts of byproducts, including ] and ].<ref>, St Peter's School</ref> |
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Hydrogenation of ], ], and ] affords ethylamine. These reactions can be effected stoichiometrically using ]. In another route, ethylamine can be synthesized via ] of a haloethane (such as ] or ]) with ], utilizing a strong base such as ]. This method affords significant amounts of byproducts, including ] and ].<ref> {{webarchive|url=https://web.archive.org/web/20080528051626/http://intranet.st-peters.york.sch.uk/fileadmin/user_upload/chemistry/AS_Organic_Mechs/NS-Haloalkane-NH3.ppt |date=2008-05-28 }}, St Peter's School</ref> |
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:CH<sub>3</sub>CH<sub>2</sub>Cl + NH<sub>3</sub> + KOH → CH<sub>3</sub>CH<sub>2</sub>NH<sub>2</sub> + KCl + H<sub>2</sub>O |
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:CH<sub>3</sub>CH<sub>2</sub>Cl + NH<sub>3</sub> + KOH → CH<sub>3</sub>CH<sub>2</sub>NH<sub>2</sub> + KCl + H<sub>2</sub>O |
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Ethylamine is also produced naturally in the cosmos; it is a component of interstellar gases.<ref>NRAO, "Discoveries Suggest Icy Cosmic Start for Amino Acids and DNA Ingredients", Feb 28 2013</ref> |
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==Reactions and applications== |
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Ethylamine undergoes the reactions anticipated for a primary alkyl amine, such as ] and ]. Reaction with ] followed by oxidaton of the ] give diethyl], EtN=NEt.<ref>Ohme, R.; Preuschhof, H.; Heyne, H.-U. , ''Organic Syntheses'', Collected Volume 6, p.78 (1988)</ref> Ethylamine may be oxidized using a strong oxidizer such as ] to form ]. |
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==Reactions== |
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Like other simple ] amines, ethylamine is a ]: the pK<sub>a</sub> of <sup>+</sup> has been determined to be 10.8<ref>''Wilson and Gisvold's Textbook of Organic Medicinal and Pharmaceutical Chemistry, 9th Ed.'' (1991), (J. N. Delgado and W. A. Remers, Eds.) p.878, Philadelphia: Lippincott and 10.63.</ref><ref>{{cite journal|author=H. K. Hall, Jr.|year=1957|journal=J. Am. Chem. Soc.|volume=79|pages=5441–5444|title=Correlation of the Base Strengths of Amines|issue=20|doi=10.1021/ja01577a030}}</ref> |
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Ethylamine undergoes the reactions anticipated for a primary alkyl amine, such as ] and ]. Reaction with ] followed by oxidation of the ] give diethyl], EtN=NEt.<ref>{{Cite journal |date=1972 |title=AZOETHANE |url=http://orgsyn.org/demo.aspx?prep=CV6P0078 |journal=Organic Syntheses |volume=52 |pages=11 |doi=10.15227/orgsyn.052.0011}}</ref> Ethylamine may be oxidized using a strong oxidizer such as ] to form ]. |
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Ethylamine like some other small primary amines is a good solvent for ] metal, giving the ] <sup>+</sup> and the ]. Such solutions are used for the ] of unsaturated ], such as ]s<ref>Kaiser, E. M.; Benkeser R. A. {{webarchive|url=https://web.archive.org/web/20070930224411/http://www.orgsyn.org/orgsyn/pdfs/CV6P0852.pdf |date=2007-09-30 }}, ''Organic Syntheses'', Collected Volume 6, p.852 (1988)</ref> and ]. |
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==Applications== |
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Ethylamine like some other small primary amines is a good solvent for ] metal, giving the ] <sup>+</sup> and the ]. Evaporation of these solutions, gives back lithium metal. Such solutions are used for the ] of unsaturated ], such as ]s<ref>Kaiser, E. M.; Benkeser R. A. , ''Organic Syntheses'', Collected Volume 6, p.852 (1988)</ref> and ]. |
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Ethylamine is a precursor to many herbicides including ] and ]. It is found in rubber products as well.<ref name=Ullmann/> |
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Ethylamine is used as a precursor chemical along with ] (as opposed to ] and ] in ketamine synthesis) in the ] synthesis of cyclidine ] ] agents (the analogue of ketamine which is missing the 2-chloro group on the phenyl ring, and its N-ethyl analog) which are closely related to the well known anesthetic agent ] and the ] ] and have been detected on the black market, being marketed for use as a recreational ] and ]. This produces a cyclidine with the same mechanism of action as ketamine (]) but with a much greater potency at the PCP binding site, a longer half-life, and significantly more prominent ] effects.<ref>{{Cite web|title= World Health Organization Critical Review Report of Ketamine, 34th ECDD 2006/4.3|url=https://www.who.int/medicines/areas/quality_safety/4.3KetamineCritReview.pdf}}</ref> |
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Ethylamine is a precursor to many herbicides including ] and ]. It is found in rubber products as well. |
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==References== |
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==References== |
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{{Reflist}} |
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<references/> |
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==External links== |
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==External links== |
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* - an Atrazine specific news site |
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{{Authority control}} |
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