Product Short Description: International quality 86% pure Chemical. Product Description: PRODUCT NAME : PHOSPHORIC ACID CAS number : 7664-38-2 UN number : 1805 Formula : H3PO4 Odour : Solubility in water : COMPLETE , ( 5.48 g/mL ) Density : 1.834 at OC Boiling point : 213 OC Melting point : 42 OC Viscosity : 147 cP (100 %) Flashpoint : Explosive limits : Vapour pressure : 0 mbar at 20 OC Skin absorption/irritation : YES TLV Country NL Year 1995 : ppm 1 mg/m3 Pollution category 1994 : D Properties : - Molecular formula: H3PO4 - Molar mass : 98.00 g/mol - Appearance : white solid or colourless, viscous liquid (>42 °C) - Density : 1.885 g/mL (liquid)1.685 g/mL (85 % solution)2.030 g/mL (crystal at 25 °C) - Acidity (pKa): 2.148, 7.198, 12.375