- Synonyms: Sodium biselenite - NaHSeO3 - M = 150,95 g/mol - CAS [7782-82-3 ] - EINECS-No.: 231-966-3 - Solub. in water: (20 ºC): 580 g/l - LD 50 (oral, rat): 2,5 mg/kg - EC-Index-No.: 034-002-00-8 - ADR: 6.1 T5 I UN 2630 - IMDG: 6.1 I UN 2630 - IATA/ICAO: 6.1 I UN 2630 - GHS-signal word: Danger - GHS-H sentences: H301 - H331 - H373 - H400 - H410 - GHS-P sentences: P260 - P301+P310 - P321 - P311 - P405 - P501a - Tariff number: 2842 90 10 SPECIFICATIONS total selenium : approx. 51,3 % total metallic impurities: max. 0,25 % loss on drying (105 ºC): max. 0,5 % suitability for microbiology: passes test