Ammonio cloruro, per analisi, ExpertQ®, ACS, ISO, Reag. Ph Eur

- Synonyms: Salt ammoniac
- NH4Cl
- M = 53,49 g/mol
- CAS [12125-02-9]
- EINECS-No.: 235-186-4
- Solub. in water: (20 ºC): 372 g/l
- Melting point: 335 ºC (decomposes)
- Ignition temp.: > 400 ºC
- Vapour pressure: (30 ºC) 1,3 hPa
- LD 50 (oral, rat): 1440 mg/kg
- EC-Index-No.: 017-014-00-8
- GHS-signal word: Warning
- GHS-H sentences: H302 - H319
- GHS-P sentences: P280 - P264 - P305+P351+P338 - P301+P312 - P337+P313 - P501a
- Tariff number: 2827 10 00 00
- Applications: manufacture of dyes, in explosive compositions, analytical chemistry.

SPECIFICATIONS
assay (argentometric): min. 99,5 %
assay (acidimetric, on dried sample): 99,5 - 100,5 %
identity (IR-spectrum): passes test
appearance of solution: clear and colourless
insoluble matter: max. 0,005 %
pH (5 %, H2O): 4,5 - 5,5
acidity or alkalinity: passes test
bromides and iodides : passes test
phosphates (as PO4): max. 2 ppm
sulfates (SO4): max. 0,002 %
calcium (Ca): max. 5 ppm
copper (Cu): max. 2 ppm
heavy metals: max. 5 ppm
iron (Fe): max. 2 ppm
lead (Pb): max. 1 ppm
magnesium (Mg): max. 5 ppm
nickel (Ni): max. 1 ppm
potassium (K): max. 0,005 %
sodium (Na): max. 0,005 %
zinc (Zn): max. 2 ppm
residue on ignition: max. 1,0 %
residue on ignition (800 ºC): max. 0,01 %
loss on drying (105 °C, 2h): max. 1,0 %