1.05428

Ammonia solution 25 %

Suprapur^®

• Synonym(s): Ammonium hydroxide solution, Ammonia aqueous, Ammonia water
• Linear Formula: NH₄OH
• CAS Number: 1336-21-6
• Molecular Weight: 35.05
• Beilstein/REAXYS Number: 3587154
• MDL number: MFCD00066650
• UNSPSC Code: 12352402

Properties

• grade: for inorganic trace analysis
• Quality Level: 100
• vapor pressure: 483 hPa ( 20 °C)
• form: liquid
• expl. lim.: 27 %
• concentration: 25%
• bp: 37.7 °C/1013 hPa
• mp: -57.5 °C
• density: 0.9 g/mL at 25 °C (lit.)
• storage temp.: 2-30°C
• SMILES string: [NH4+].[OH-]
• InChI: 1S/H3N.H2O/h1H3;1H2
• InChI key: VHUUQVKOLVNVRT-UHFFFAOYSA-N

Description

Application

• 
  Research on the Synthesis of Zinc-Ammonium Phosphate Using Galvanic Waste Sludge as a Source of Zinc.: This study focuses on the application of 25% ammonia solution in synthesizing zinc-ammonium phosphate from galvanic waste, contributing to waste valorization and chemical recycling efforts (Marian et al., 2024).
  


• 
  Development of a Simultaneous Liquid Chromatography-Tandem Mass Spectrometry Analytical Method for Urinary Endogenous Substrates and Metabolites for Predicting Cytochrome P450 3A4 Activity.: Describes the use of 25% ammonia solution in the preparation phase of samples for advanced chromatographic analyses, crucial for metabolic studies in pharmaceutical research (Mano et al., 2023).
  


• 
  [The study of fenspiride: goals and objectives for chemical and toxicological studies].: Discusses methodologies incorporating 25% ammonia solution in toxicological evaluations, highlighting its role in enhancing detection sensitivities in forensic and clinical toxicology (Barsegyan et al., 2019).
  


• 
  The use of a new, modified Dittmer-Lester spray reagent for phospholipid determination by the TLC image analysis technique.: Investigates the efficacy of 25% ammonia solution as a component of a novel spray reagent for thin-layer chromatography, enhancing lipid analysis capabilities in biochemical studies (Zakrzewski et al., 2013).
  


• 
  Ultrasonic synthesis of stable oil filled microcapsules: This study explores the ultrasonic synthesis of oil-filled microcapsules using thiolated chitosan, potentially involving derivatives like ᴅʟ-N-Acetylhomocysteine thiolactone for improved stability and functional properties. The research provides insights into advanced microencapsulation techniques relevant in pharmaceutical and industrial applications (Source).
  

Linkage

Replaces: 5428-1; 5428-2; 5428

Legal Information

SUPRAPUR is a registered trademark of Merck KGaA, Darmstadt, Germany

Safety Information

• pictograms: GHS05,GHS07,GHS09
• signalword: Danger
• hcodes: H314 - H335 - H410
• pcodes: P261 - P271 - P273 - P280 - P303 + P361 + P353 - P305 + P351 + P338
• Hazard Classifications: Aquatic Acute 1 - Aquatic Chronic 1 - Eye Dam. 1 - Skin Corr. 1B - STOT SE 3
• target_organs: Respiratory system
• Storage Class: 8B - Non-combustible, corrosive hazardous materials
• wgk_germany: WGK 2