- Synonyms: 1,2-Propanediol, 1,2-Dihydroxypropane - C3H8O2 - M = 76,10 g/mol - CAS [57-55-6] - EINECS-No.: 200-338-0 - Density: 1,04 g/cm3 - Solub. in water: (20 ºC): miscible - Melting point: -59 ºC - Boiling point: 188 ºC - Flash pt. 99 ºC - Ignition temp.: 371 ºC - Vapour pressure: (20 ºC) 0,11 hPa - Refraction index: (n 20 ºC/D) 1,43 - LD 50 (oral, rat): 19400 - 36000 mg/kg - Tariff number: 2905 32 00 90 - Applications: in antifreeze compositions, for pharmaceutical use, emulsifier, manufacturing of synthetic resins. SPECIFICATIONS assay (G.C.): min. 99,5 % Identification IR: passes test Identification C (USP): passes test Identification D (EP): passes test Diethylene Glycol: max. 0,1 % Ethylene Glycol: max. 0,1 % boiling point: 184 - 189 ºC appearance: clear and colourless density (20º/20º): 1,035 - 1,040 density (25º/25º): 1,035 - 1,037 refractive index n20/D: 1,431 - 1,433 acidity: passes test chlorides (Cl): max. 70 ppm sulfates (SO4): max. 60 ppm oxidizing substances: passes test reducing substances: passes test residue on ignition: max. 0,007 % water (K.F.): max. 0,2 %