5.43830

Ammonia solution 25%

for HPLC LiChropur^™

• Synonym(s): Ammonium hydroxide solution, Ammonium hydroxide solution, Ammonia water, Ammonia aqueous, Ammonia water
• Linear Formula: NH₄OH
• CAS Number: 1336-21-6
• Molecular Weight: 35.05
• Beilstein: 3587154
• MDL number: MFCD00066650
• UNSPSC Code: 12142110

Properties

• Agency: suitable for DIN 38407-42
• Quality Level: 100
• vapor pressure: 483 hPa ( 20 °C)
• expl. lim.: 27 %
• technique(s): HPLC: suitable
• bp: 37.7 °C/1013 hPa
• mp: -57.5 °C
• density: 0.9 g/mL at 25 °C (lit.)
• application(s): environmental; food and beverages
• format: single component solution
• storage temp.: 2-30°C
• SMILES string: [NH4+].[OH-]
• InChI: 1S/H3N.H2O/h1H3;1H2
• InChI key: VHUUQVKOLVNVRT-UHFFFAOYSA-N

Description

General description

Ammonia solution with a concentration of 25%serves as a mobile-phase additive or buffer in HPLC analysis. It is used toadjust the pH of the mobile phase during the chromatographic process.

Application

• Fabrication of ammonia and acetic acid-responsive intelligent films: Discusses the development of intelligent films sensitive to ammonia and acetic acid, highlighting the versatility of 25% ammonia solutions in material science applications and their potential in creating responsive packaging materials (Xiang et al., 2024).

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Legal Information

LiChropur is a trademark of Merck KGaA, Darmstadt, Germany

Safety Information

• Pictograms: GHS05,GHS07,GHS09
• Signal Word: Danger
• Hazard Statements: H314 - H335 - H410
• Precautionary Statements: P261 - P271 - P273 - P280 - P303 + P361 + P353 - P305 + P351 + P338
• Hazard Classifications: Aquatic Acute 1 - Aquatic Chronic 2 - Eye Dam. 1 - Skin Corr. 1B - STOT SE 3
• Target Organs: Respiratory system
• Storage Class Code: 8B - Non-combustible, corrosive hazardous materials
• WGK: WGK 2