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    Benzoic acid

    1. Molecular Structure

    Benzoic acid 2D Structure

    2. Chemical Identity

    PropertyValue
    IUPAC Namebenzoic acid
    Molecular FormulaC7H6O2
    SMILESC1=CC=C(C=C1)C(=O)O

    3. Chemical Properties

    PropertyValue
    Molecular Weight122.12 g/mol
    TPSA37.3 Ų
    LogP1.9
    Formal Charge0

    4. Experimental Properties

    PropertyValue
    Boiling Point249.2 °C at 760 mm Hg
    Melting Point121,5 – 123,5 °C
    Density1.2659 g/cu cm at 15 °C
    SolubilityMixtures of excess benzoic acid & water form 2 liquid phases beginning at 89.7 °C; the two phases unite at critical solution temperature of 117.2 °C; solubility in water increased by alkaline substances.
    Flash Point250 °F (121 °C) (closed cup)
    Autoignition Temp570 °C (1058 °F)

    5. Supplier Suggestions

    SupplierWebsiteLocation
    Sigma Aldrich/MerckVisit MerckInternational
    LennoxVisit LennoxIreland
    Doc SolderVisit Doc SolderIreland

    6. GHS Safety & Hazards

    Signal Word
    Danger
    GHS PictogramGHS PictogramGHS Pictogram

    Hazard Statements

    • H302 (29.7%): Harmful if swallowed [Warning Acute toxicity, oral]
    • H315 (82.8%): Causes skin irritation [Warning Skin corrosion/irritation]
    • H315: Causes skin irritation [Warning Skin corrosion/irritation]
    • H318 (81.3%): Causes serious eye damage [Danger Serious eye damage/eye irritation]
    • H318: Causes serious eye damage [Danger Serious eye damage/eye irritation]
    • H319 (16.4%): Causes serious eye irritation [Warning Serious eye damage/eye irritation]
    • H335: May cause respiratory irritation [Warning Specific target organ toxicity, single exposure; Respiratory tract irritation]
    • H361: Suspected of damaging fertility or the unborn child [Warning Reproductive toxicity]
    • H372 (20.5%): Causes damage to organs through prolonged or repeated exposure [Danger Specific target organ toxicity, repeated exposure]
    • H372: Causes damage to organs through prolonged or repeated exposure [Danger Specific target organ toxicity, repeated exposure]
    • H373: May causes damage to organs through prolonged or repeated exposure [Warning Specific target organ toxicity, repeated exposure]
    • H402: Harmful to aquatic life [Hazardous to the aquatic environment, acute hazard]

    Precautionary Statements

    • P203, P260, P264+P265, P273, P280, P305+P354+P338, P317, P318, P319, P405, and P501 (click each P-code to see the statement)
    • P260, P264, P264+P265, P270, P280, P301+P317, P302+P352, P305+P351+P338, P305+P354+P338, P317, P319, P321, P330, P332+P317, P337+P317, P362+P364, and P501 (click each P-code to see the statement)
    • P260, P264, P264+P265, P270, P280, P302+P352, P305+P354+P338, P317, P319, P321, P332+P317, P362+P364, and P501 (click each P-code to see the statement)
    • P261, P264, P264+P265, P271, P280, P302+P352, P304+P340, P305+P354+P338, P317, P319, P321, P332+P317, P362+P364, P403+P233, P405, and P501 (click each P-code to see the statement)
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