Ammonia solution 25%

Synonyms: Ammonium hydroxide solution, Ammonia water.

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Catalogue Number105428
Replaces5428-1; 5428-2; 5428
SynonymsAmmonium hydroxide solution, Ammonia water
Product Information
HS Code2814 20 00
Quality LevelMQ100
Physicochemical Information
Boiling point37.7 °C (1013 hPa)
Density0.903 g/cm3 (20 °C)
Explosion limit15.4 – 33.6 %(V)
Melting Point-57.5 °C
Vapor pressure483 hPa (20 °C)
Safety Information according to GHS
Hazard Pictogram(s)Hazard Pictogram(s)
Hazard Pictogram(s)
Hazard Pictogram(s)
Hazard Statement(s)H314: Causes severe skin burns and eye damage.
H335: May cause respiratory irritation.
H400: Very toxic to aquatic life.
Precautionary Statement(s)P273: Avoid release to the environment.
P280: Wear protective gloves/ protective clothing/ eye protection/ face protection.
P301 + P330 + P331: IF SWALLOWED: Rinse mouth. Do NOT induce vomiting.
P305 + P351 + P338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
P308 + P310: IF exposed or concerned: immediately call a POISON CENTER or doctor/ physician.
Signal WordDanger
Storage class8B Non-combustible, corrosive hazardous materials
WGKWGK 2 obviously hazardous to water
Bases and alcoholates should be diluted if necessary by carefully stirring them into water and then neutralized (protective gloves, fume cupboard!) with hydrochloric acid (Cat. No. 100312). Before placing in container D, check the pH with pH universal indicator strips (Cat. No. 109535).
Safety Information
Hazard SymbolsHazard SymbolsDangerous for the environment
Hazard SymbolsCorrosive
Categories of dangercorrosive, dangerous for the environment
R PhraseR 34-50
Causes burns.Very toxic to aquatic organisms.
S PhraseS 26-36/37/39-45-61
In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.Wear suitable protective clothing, gloves and eye/face protection.In case of accident or if you feel unwell, seek medical advice immediately (show the label where possible).Avoid release to the environment. Refer to special instructions/ Safety data sheets.
Storage Information
StorageStore at +2°C to +25°C.

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