- Synonyms: Piruvic acid, sodium saltr- C3H3NaO3r- M = 110,05 g/molr- CAS [113-24-6]r- EINECS-No.: 204-24-4r- Melting point: 220 - 230 °Cr- LD 50 (oral, rat): 5600 mg/Kgr- Tariff number: 2918 30 00 90rrSPECIFICATIONSrassay (titration with HClO4): min. 99 %rchlorides (Cl): max. 0,002 %rsulfates (SO4): max. 0,005 %rarsenic (As): max. 1 ppmrheavy metals (as Pb): max. 0,001 %rloss on drying (105 ºC): max. 0,5 % rsuitability for microbiology: passes testr