Ammonium peroxodisulfate, EssentQ®, Reag. Ph Eur

- Synonyms: Ammonium persulfate, Peroxodisulfuric acid diammonium salt
- (NH4)2S2O8
- M = 228,20 g/mol
- CAS [7727-54-0]
- EINECS-No.: 231-786-5
- Solub. in water: (20 ºC): 620 g/l
- Melting point: 120 ºC (decomposes)
- LD 50 (oral, rat): 495 mg/kg
- EC-Index-No.: 016-060-00-6
- ADR: 5.1 O2 III UN 1444
- IMDG: 5.1 III UN 1444
- IATA/ICAO: 5.1 III UN 1444
- GHS-signal word: Danger
- GHS-H sentences: H334 - H272 - H302 - H335 - H315 - H319 - H317
- GHS-P sentences: P221 - P210 - P305+P351+P338 - P370+P378 - P405 - P501a
- Tariff number: 2833 40 00 00
- Applications: analytical chemistry, synthesis of polymers.
- Appearance: White to light yellow powder

SPECIFICATIONS
assay (iodometric): min. 98 %
insoluble in water: max. 0,02 %
chlorides and chlorates (as Cl): max. 0,005 %
copper (Cu): max. 0,005 %
heavy metals (as Pb): max. 0,003 %
iron (Fe): max. 0,001 %
lead (Pb): max. 0,001 %
manganese (Mn): max. 2 ppm
nickel (Ni): max. 0,005 %
residue on ignition (as SO4): max. 0,1 %