- Synonyms: Agar - CAS [9002-18-0] - EINECS-No.: 232-658-1 - LD 50 (oral, rat): 11000 mg/kg - Tariff number: 1302 31 00 00 - Applications: nutrient media for bacterial culture, manufacture of dyes, emulsifier. SPECIFICATIONS insoluble matter: max. 1 % arsenic (As): max. 3 ppm copper and zinc: max. 0,001 % heavy metals (as Pb): max. 0,001 % lead (Pb): max. 0,001 % zinc (Zn): max. 5 ppm absorption of water: passes test gelatines and other proteins: passes test starch and dextrine: passes test residue on ignition: max. 6,5 % loss on drying : max. 20 %