Group of Chemicals : Fatty Acids
Commercial Name : Palmitic/Stearic Acid
Common Name/Other Name: Fatty Acid C16-C18

Physical & Chemical Properties
Boiling point, deg C at 760mm Hg                                       298.9-365.2
Melting point, deg C                                                        42-60
Flash point, deg C(Pensky-Martens closed cup)                   >200
Auto-ignition temperature, deg C                                      >250
Density, g/ml at 75deg C                                                 0.85
Vapour pressure, mm Hg at 131 deg C                               <1.0
Solubility in water, g/100 ml at 20 deg C                            None
Relative molecular mass                                                   200-282

CAS-number                      : 688440-15-3
Mixture os the following acids : -
Dodecanoic acid                : C₁₂H₂₄O₂
Tetradecanoic acid            : C₁₄H₂₈O₂
Hexadecanoic acid             : C₁₆H₃₂O₂
Octadecanoic acid            : C₁₈H₃₆O₂
Octadecanoic acid            : C₁₈H₃₄O₂

Important Characteristics
        • White to yellowish solid. Faint fatty odour. Combustible
        • Low toxicity and not considered hazardous to human beings

Hazards/Prevention/First-Aid
        Fire
        • Combustible
        • Keep away from open flame, no smoking
        • Use dry powder, foam, carbon dioxide for extinguishing

        Inhalation
        • Sore throat, cough
        • Use self-contained breathing equipment if in confined place
        • Ventilation
        • Remove to fresh air. If suffocation is serious take to a doctor

        Skin
        • Use gloves
        • Remove contaminated clothing, flush skin with water or shower,
          take to a doctor if necessary

        Eyes
        • Use face shield
        • Flush with water, take to a doctor if necessary