Ammonia, solution 25% w/w, for analysis, ExpertQ®, Reag. Ph Eur, ISO

- Synonyms: Ammonia water, Ammonium hydroxide solution
- NH3
- M = 17,03 g/mol
- CAS [1336-21-6]
- EINECS-No.: 215-647-6
- Density: 0,90 g/cm3
- Melting point: -57,5 ºC
- Boiling point: 37,7 ºC
- Vapour pressure: (20 ºC) ~ 500 hPa
- LD 50 (oral, rat): 350 mg/kg
- EC-Index-No.: 007-001-01-2
- ADR: 8 C5 III UN 2672
- IMDG: 8 III UN 2672
- IATA/ICAO: 8 III UN 2672
- GHS-signal word: Danger
- GHS-H sentences: H314 - H335 - H400
- GHS-P sentences: P260 - P303+P361+P353 - P305+P351+P338 - P310 - P405 - P501a
- Tariff number: 2814 20 00 00
- Applications: analytical chemistry, laboratory reagent.

SPECIFICATIONS
assay (acidimetric, NH3): 25,0 - 30,0 %
Identification B (EP): passes test
Identification C (EP): passes test
density (20º/20º): 0,892 - 0,910
appearance of solution: clear and colourless
carbonates (as CO2): max. 20 ppm
chlorides (Cl): max. 0,5 ppm
phosphates (as PO4): max. 2 ppm
silicates (SiO2): max. 10 ppm
sulfates (SO4): max. 2 ppm
calcium (Ca): max. 1 ppm
copper (Cu): max. 0,1 ppm
iron (Fe): max. 0,2 ppm
lead (Pb): max. 0,5 ppm
magnesium (Mg): max. 1 ppm
potassium (K): max. 1 ppm
sodium (Na): max. 5 ppm
pyridine and related substances: max. 2 ppm
substances reducing KMnO4 : max. 8 ppm
oxidisable substances: passes test
residue on evaporation: max. 20 mg/l