Ammonium Hydroxide Solution, Puriss. p.a., Reag. ISO, Reag.

Name: Ammonium hydroxide solution
Synonymns: Ammonia aqueous; Ammonia water
Description: Puriss. p.a., Reag. ISO, Reag. Ph. Eur., ~25% NH3 basis

Container Type: Glass Bottle

Empirical Formula: H₅NO
Linear Formula: NH₄OH

CAS Number: 1336-21-6
Bielstein Registry Number: 3587154
MDL Number: MFCD00066650

SPECIFICATIONS

Assay: min. 25.0 %
Density (D 20/20): 0.892 - 0.910
Non-volatile matter: max. 0.0018 %
Silver (Ag): max. 0.02 ppm
Aluminium (Al): max. 0.5 ppm
Gold (Au): max. 0.1 ppm
Barium (Ba): max. 0.05 ppm
Bismuth (Bi): max. 0.1 ppm
Calcium (Ca): max. 1 ppm
Cadmium (Cd): max. 0.05 ppm
Cobalt (Co): max. 0.05 ppm
Chromium (Cr): max. 0.05 ppm
Copper (Cu): max. 0.1 ppm
Iron (Fe): max. 0.1 ppm
Gallium (Ga): max. 0.02 ppm
Indium (In): max. 0.02 ppm
Potassium (K): max. 0.5 ppm
Lithium (Li): max. 0.02 ppm
Magnesium (Mg): max. 0.1 ppm
Manganese (Mn): max. 0.05 ppm
Molybdenum (Mo): max. 0.05 ppm
Sodium (Na): max. 1 ppm
Nickel (Ni): max. 0.05 ppm
Lead (Pb): max. 0.05 ppm
Platinum (Pt): max. 0.1 ppm
Tin (Sn): max. 0.1 ppm
Strontium (Sr): max. 0.2 ppm
Titanium (Ti): max. 0.1 ppm
Thallium (Tl): max. 0.05 ppm
Zinc (Zn): max. 0.1 ppm
Heavy metals (as Pb): max. 1 ppm
Carbonate (CO₃): max. 60 ppm
Carbonate (as CO₂): max. 10 ppm
Chloride (Cl): max. 0.5 ppm
Phosphate (PO₄): max. 0.5 ppm
Silicate (as SiO₂): max. 10 ppm
Sulfate (SO₄): max. 2 ppm
Sulfide (S): max. 0.2 ppm
KMnO₄ reducing matter (as O): max. 0.0005 %
Readily oxidizable substances: complying
Pyridine, related substances (as Pyridine): max. 2 ppm
Pyridine: max. 0.00005 %
Appearance of the solution: complying



PHYSICAL PROPERTIES

Explosion Limit: 27 %
Boiling Point: 37.7 °C
Freezing Point: -92 °C
Density: 0.90 g/cm3



SAFETY INFORMATION

Hazard Class: 8
Package Group: III
UN ID: 2672
Signal Word: Danger

GHS Classification:
Harmful (GHS07)
Corrosive (GHS05)

Hazard Statement(s):
Causes severe skin burns and eye damage (H314)
May cause respiratory irritation (May cause respiratory irritation (H335))

Precautionary Statement(s):
Avoid breathing dust/fume/gas/mist/vapours/spray (P261)
Wash thoroughly after handling (P264)
Use only outdoors or in a well-ventilated area (P271)
Wear protective gloves/protective clothing/eye protection/face protection (P280)

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