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820963 1-Pentyne

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Key Spec Table

CAS #EC NumberHill FormulaMolar Mass
627-19-0210-987-1C₅H₈68.11 g/mol

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      Glass bottle 25 ml
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      Catalogue Number820963
      Product Information
      CAS number627-19-0
      EC number210-987-1
      Hill FormulaC₅H₈
      Molar Mass68.11 g/mol
      HS Code2901 29 00
      Structure formula ImageStructure formula Image
      Quality LevelMQ200
      Application1-Pentyne for synthesis. CAS 627-19-0, molar mass 68.11 g/mol.
      Biological Information
      Physicochemical Information
      Boiling point39 - 41 °C (1013 hPa)
      Density0.69 - 0.7 g/cm3 (20 °C)
      Flash point-20 °C
      Melting Point-106 °C
      Vapor pressure467 hPa (20 °C)
      Solubility1.05 g/l
      Materials Information
      Toxicological Information
      Safety Information according to GHS
      Hazard Pictogram(s) Hazard Pictogram(s)
      Hazard Statement(s)H225: Highly flammable liquid and vapour.
      Precautionary Statement(s)P210: Keep away from heat/sparks/open flames/hot surfaces. No smoking.
      P223: Keep away from any possible contact with water, because of violent reaction and possible flash fire.
      P403 + P235: Store in a well-ventilated place. Keep cool.
      Signal WordDanger
      Storage class3 Flammable liquids
      WGKWGK 3 highly hazardous to water
      Relatively unreactive organic reagents should be collected in container A. If halogenated, they should be collected in container B. For solid residues use container C.
      Safety Information
      Hazard Symbols Hazard SymbolsFlammable
      Categories of dangerhighly flammable
      R PhraseR 11
      Highly flammable.
      S PhraseS 16-29
      Keep away from sources of ignition - No smoking.Do not empty into drains.
      Product Usage Statements
      Storage and Shipping Information
      StorageStore at +2°C to +8°C.
      Packaging Information
      Transport Information
      Declaration (railroad and road) ADR, RIDUN 1993 , 3, II
      Declaration (transport by air) IATA-DGRUN 1993 , 3, II
      Declaration (transport by sea) IMDG-CodeUN 1993 , 3, II
      Supplemental Information
      Assay (GC, area%)≥ 98.0 % (a/a)
      Density (d 20 °C/ 4 °C)0.690 - 0.700
      Identity (IR)passes test