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di-Ammonium oxalate monohydrate, for analysis, ExpertQ®, ACS, ISO, Reag. Ph Eur

- Synonyms: Oxalic acid ammonium saltr- (NH4)2C2O4·H2Or- M = 142,11 g/molr- CAS [6009-70-7]r- EINECS-No.: 214-202-3r- Solub. in water: (20 ºC): ~ 45 g/lr- Melting point: 70 ºCr- EC-Index-No.: 607-007-00-3r- ADR: 6.1 T2 III UN 2811r- IMDG: 6.1 III UN 2811r- IATA/ICAO: 6.1 III UN 2811r- GHS-signal word: Warningr- GHS-H sentences: H302 - H312r- GHS-P sentences: P280 - P264 - P270 - P321 - P301+P312 - P501ar- Tariff number: 2917 11 00 99r- Applications: analytical chemistry, for determination of: calcium, lead, rare earth metals.rrSPECIFICATIONSrassay (permanganometric): 99 - 101 %rinsoluble in water: max. 0,005 %rpH (2,5 %, H2O): 6 - 7 rchlorides (Cl): max. 0,0005 %rnitrates (NO3): max. 0,0005 %rsulfates (SO4): max. 0,002 %rcadmium (Cd): max. 0,0005 %rcalcium (Ca): max. 0,001 %rcopper (Cu): max. 0,0005 %rheavy metals (as Pb): max. 0,0005 %riron (Fe): max. 0,0002 %rlead (Pb): max. 0,0005 %rmagnesium (Mg): max. 0,001 %rpotassium (K): max. 0,001 %rsodium (Na): max. 0,001 %rzinc (Zn): max. 0,0005 %rresidue on ignition (as SO4): max. 0,02 % r