Amonyak çözeltisi, genellikle çeşitli sıvı formülasyonlarda kullanılan bir pH düzenleyici veya tamponlama maddesidir.
 
Linear Formula : NH₄OH
CAS Number : 1336-21-6
Molecular Weight : 35.05
NACRES : NA.21
UNSPSC Code : 12352402
MDL Number : MFCD00066650
Beilstein/REAXYS Number : 3587154
Concentration : 28.0-30.0% NH₄OH
Form : Liquid
Grade : ACS Reagent
Quality Segment : 300
Vapor Pressure : 635 hPa ( 20 °C)
Expl. Lim. : 27 %
Concentration : 28.0-30.0% NH₄OH
SMILES string : [NH4+].[OH-]
Impurities ;
≤0.020 ppm Ag (Silver)
≤0.020 ppm Ga (Gallium)
≤0.020 ppm In (Indium)
≤0.020 ppm Li (Lithium)
≤0.050 ppm Ba (Barium)
≤0.050 ppm Cd (Cadmium)
≤0.050 ppm Co (Cobalt)
≤0.050 ppm Cr (Chromium)
≤0.050 ppm Mn (Manganese)
≤0.050 ppm Mo (Molybdenum)
≤0.050 ppm Ni (Nickel)
≤0.050 ppm Pb (Lead)
≤0.050 ppm Tl (Thallium)
≤0.100 ppm Au (Gold)
≤0.100 ppm Bi (Bismuth)
≤0.100 ppm Cu (Copper)
≤0.100 ppm Fe (Iron)
≤0.100 ppm Mg (Magnesium)
≤0.100 ppm Pt (Platinum)
≤0.100 ppm Sn (Tin)
≤0.100 ppm Sr (Strontium)
≤0.100 ppm Ti (Titanium)
≤0.100 ppm Zn (Zinc)
≤0.2 ppm Sulphide (S)
≤0.3 ppm Chloride (Cl)
≤0.5 ppm Heavy metals (as Pb)
≤0.5 ppm Phosphate (PO₄)
≤0.500 ppm Al (Aluminium)
≤0.500 ppm As (Arsenic)
≤0.500 ppm Ca (Calcium)
≤0.500 ppm K (Potassium)
≤0.500 ppm Na (Sodium)
≤10 ppm Carbonate (as CO₂)
≤10 ppm Non volatile matter
≤2 ppm Nitrate (NO₃)
≤2 ppm Pyridine and related substances
≤2 ppm Sulphate (SO₄)
≤5 ppm Silicate (as SiO₂)
≤5 ppm Substances reducing potassium permanganate
Ign. Residue : ≤10 ppm
pH : >12 (20 °C in H₂O, strongly alkaline)
bp : 32 °C
mp : -72 °C
Density : 0.9 g/mL at 25 °C (lit.), 0.892-0.910 (relative density (d 20/20))
Storage Temp. : 2-30°C