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Mercury(II) oxide, red, EssentQ®

- HgOr- M = 216,59 g/molr- CAS [21908-53-2]r- EINECS-No.: 244-654-7r- Solub. in water: (25 ºC): 0,052 g/lr- Melting point: > 400 ºC (decomposes)r- Vapour pressure: (20 ºC) 0,0012 hPar- LD 50 (oral, rat): 18 mg/kgr- EC-Index-No.: 080-002-00-6r- ADR: 6.1 T5 II UN 1641r- IMDG: 6.1 II UN 1641r- IATA/ICAO: 6.1 II UN 1641r- GHS-signal word: Dangerr- GHS-H sentences: H300 - H310 - H330 - H373 - H400 - H410r- GHS-P sentences: P260 - P284 - P301+P310 - P320 - P405 - P501ar- Tariff number: 2852 10 00 00rrSPECIFICATIONSrassay (complexometric): min. 99 %ridentification: passes testrappearance of solution: passes testrinsoluble in HCl : max. 0,05 %racidic or alkaline substances: passes testrchlorides (Cl): max. 0,05 %rnitrates (NO3): passes testrmercury (II) oxide , yellow: passes testrr(calcination residue, as sulfate): max. 0,05 %rloss on drying (105 ºC): max. 0,5 % r