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Zinc oxide, Pharmpur®, Ph Eur, BP, USP

- ZnO
- M = 81,37 g/mol
- CAS [1314-13-2]
- EINECS-No.: 215-222-5
- Solub. in water: (20 ºC): insoluble
- Melting point: ~ 1970 ºC
- LD 50 (oral, rat): > 5000 mg/kg
- ADR: 9 M7 III UN 3077
- IMDG: 9 III UN 3077
- IATA/ICAO: 9 III UN 3077
- GHS-signal word: Warning
- GHS-H sentences: H400 - H410
- GHS-P sentences: P273 - P391 - P501a
- Tariff number: 2817 00 00 00
- Applications: analytical chemistry, laboratory reagent, reference material, in the pharmaceutics industry, in food industry, cosmetics.

SPECIFICATIONS
assay (complexometric, on ignited sample): 99,0 - 100,5 %
assay (chromatography, on ignited substance): 98,0 - 102,0 %
Identification A (EP/USP): passes test
Identification B (USP): passes test
Identification zinc: passes test
alkalinity: passes test
insoluble in acids and carbonates: passes test
carbonate and colour of solution: passes test
arsenic (As): max. 5 ppm
cadmium (Cd): max. 10 ppm
iron (Fe): max. 200 ppm
iron and other heavy metals: passes test
lead (Pb): max. 50 ppm
lead (Pb): passes test
residue on ignition (500 ºC): max. 1,0 %