Acido ossalico diidrato, per analisi, ExpertQ®, ACS, ISO, Reag. Ph Eur

- Synonyms: Ethanedioic acid
- H2C2O4·2H2O
- M = 126,07 g/mol
- CAS [6153-56-6]
- EINECS-No.: 205-634-3
- Solub. in water: (20 ºC): 102 g/l
- Melting point: 101 ºC
- LD 50 (oral, rat): 7500 mg/kg (anhydrous substance)
- EC-Index-No.: 607-006-00-8
- GHS-signal word: Danger
- GHS-H sentences: H302 - H312 - H318
- GHS-P sentences: P280 - P305+P351+P338 - P310 - P321 - P301+P312 - P501a
- Tariff number: 2917 11 00 99
- Applications: analytical chemistry, laboratory reagent, solvents, catalyst.

SPECIFICATIONS
assay (permanganometric): 99,5 - 102,5 %
identity (IR-spectrum): passes test
insoluble in water: max. 0,005 %
chlorides (Cl): max. 5 ppm
sulfates (SO4): max. 0,005 %
nitrogen compounds (as N): max. 0,001 %
calcium (Ca): max. 0,001 %
heavy metals: max. 5 ppm
iron (Fe): max. 2 ppm
substances darkened by hot H2SO4: passes test
residue on ignition: max. 0,01 %