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    • Propiolic Acid

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    Catalog Number
    ACM471250
    CAS Number
    471-25-0
    Product Name
    Propiolic Acid
    Structure
    Category
    Charge Transfer Complexes; Self Assembly and Contact Printing Materials
    Description
    Solid
    IUPAC Name
    prop-2-ynoic acid
    Molecular Weight
    70.05g/mol
    Molecular Formula
    C3H₂O2
    Canonical SMILES
    C#CC(=O)O
    InChI
    InChI=1S/C3H₂O2/c1-2-3(4)5/h1H,(H,4,5)
    InChI Key
    UORVCLMRJXCDCP-UHFFFAOYSA-N
    Boiling Point
    144 °C (decomposes)
    Melting Point
    9.0 °C;18 °C
    Flash Point
    58 °C (136 °F) - closed cup
    Density
    1.1380 g/cu cm at 20 °C
    Solubility
    Very soluble in water, ether, ethanol, chloroform;Miscible with water;In water, 1.0X10+6 mg/L /miscible/ at 25 °C (est)
    Color/Form
    Crystals from carbon disulfde;Crystals or liquid
    Complexity
    84.3
    Covalently-Bonded Unit Count
    1
    EC Number
    207-437-8
    Exact Mass
    70.005479g/mol
    Formal Charge
    0
    Heavy Atom Count
    5
    Log P
    log Kow = -0.19 (est)
    MeSH Entry Terms
    propiolic acid;propiolic acid, monosodium salt;propynoic acid
    Monoisotopic Mass
    70.005479g/mol
    NSC Number
    16152
    Odor
    Odor resembling acetic acid
    Other Experimental
    BP: 72 °C at 50 mm Hg;When heated to decompostion it emits acrid smoke and irritating fumes;Hydroxyl radical reaction rate constant = 2.97X10-12 cu cm/molec-sec at 25 °C (est)
    Refractive Index
    Index of refraction: 1.4306 at 20 °C/D
    Rotatable Bond Count
    0
    UNII
    P2QW39G9LZ
    Vapor Pressure
    3.5 mm Hg at 25 °C (est)
    XLogP3
    0.3
    MSDS
    Download MSDS
    COA
    Download COA
    Spec Sheet
    Download Spec Sheet
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