30501

Ammonium hydroxide solution

puriss. p.a., reag. ISO, reag. Ph. Eur., ~25% NH₃ basis

• Synonym(s): Ammonia aqueous, Ammonia water
• Linear Formula: NH₄OH
• CAS Number: 1336-21-6
• Molecular Weight: 35.05
• Beilstein: 3587154
• MDL number: MFCD00066650
• UNSPSC Code: 12352106
• PubChem Substance ID: 329753525
• NACRES: NA.21

Properties

• Agency: USP/NF; reag. ISO; reag. Ph. Eur.
• description: related substances ≤ 2 ppm (as pyridine)
• grade: puriss. p.a.
• form: liquid
• expl. lim.: 27 %
• concentration: ~25% NH₃
• impurities: readily oxidisable substances, in accordance; ≤0.0001% heavy metals (as Pb); ≤0.0005% KMnO₄ red. matter (as O); ≤0.0018% non-volatile matter
• evapn. residue: ≤0.0018%
• pH: 11.7 (20 °C)
• density: 0.892-0.910 g/mL at 20 °C; 0.9 g/mL at 25 °C (lit.)
• anion traces: carbonate (CO₃^2-): ≤60 ppm; carbonate (as CO₂): ≤10 ppm; chloride (Cl^-): ≤0.5 ppm; phosphate (PO₄^3-): ≤0.5 ppm; silicate (as SiO₂): ≤10 ppm; sulfate (SO₄^2-): ≤2 ppm; sulfide (S^2-): ≤0.2 ppm
• cation traces: Ag: ≤0.02 ppm; Al: ≤0.5 ppm; Au: ≤0.1 ppm; Ba: ≤0.05 ppm; Bi: ≤0.1 ppm; Ca: ≤1 ppm; Cd: ≤0.05 ppm; Co: ≤0.05 ppm; Cr: ≤0.05 ppm; Cu: ≤0.1 ppm; Fe: ≤0.1 ppm; Ga: ≤0.02 ppm; In: ≤0.02 ppm; K: ≤0.5 ppm; Li: ≤0.02 ppm; Mg: ≤0.1 ppm; Mn: ≤0.05 ppm; Mo: ≤0.05 ppm; Na: ≤1 ppm; Ni: ≤0.05 ppm; Pb: ≤0.05 ppm; Pt: ≤0.1 ppm; Sn: ≤0.1 ppm; Sr: ≤0.2 ppm; Ti: ≤0.1 ppm; Tl: ≤0.05 ppm; Zn: ≤0.1 ppm
• SMILES string: [NH4+].[OH-]
• suitability: complies for appearance of solution
• storage temp.: 2-8°C
• InChI: 1S/H3N.H2O/h1H3;1H2
• InChI key: VHUUQVKOLVNVRT-UHFFFAOYSA-N

Description

Application

• Smartphone-based digital image colorimetry for the determination of total capsaicinoid content in chili pepper extracts.: This study uses ammonium hydroxide solution in the extraction process, combined with smartphone-based colorimetric analysis, to accurately determine capsaicinoid levels, showcasing advancements in portable analytical techniques (Vakh C et al., 2024).


• Open acid dissolution-Ammonia solution extraction-ICP OES rapid determination of 7 trace metal elements in soil.: This research highlights the use of ammonium hydroxide solution for the efficient extraction of trace metals from soil, followed by ICP OES analysis, providing a rapid and accurate method for environmental monitoring (Wang J et al., 2023).


• Development and validation of a sensitive ultra-high-performance liquid chromatography-tandem mass spectrometry method for quantitative analysis of bambermycin in livestock and aquatic products: Implications for food safety control and regulatory enforcement.: Ammonium hydroxide solution is utilized in the sample preparation process for UHPLC-MS/MS analysis, ensuring accurate quantification of bambermycin in various food products (Park DH et al., 2023).


• Fluorescent Carbon Dots from Food Industry By-Products for Cell Imaging.: The study uses ammonium hydroxide solution in the synthesis of fluorescent carbon dots from food by-products, demonstrating a sustainable approach to producing imaging agents for biomedical applications (Mancini F et al., 2023).


• Constructing a heparin-modified penile decellularized scaffold to improve re-endothelialization in organizational reconstruction.: This research employs ammonium hydroxide solution in the decellularization process of tissue scaffolds, contributing to advancements in tissue engineering and regenerative medicine (Zhang H et al., 2022).

Packaging

In PE-bottles; also available PE-bottles black (Material no. ending with PEBL; Glass-bottles (Material no. ending with *-GL), PE canister (Material no. ending with *-H)

Other Notes

The article number 30501-4X2.5L will be discontinued. Please order the single bottle 30501-2.5L which is physically identical with the same exact specifications.
The article number 30501-4X2.5L-M will be discontinued. Please order the single bottle 30501-2.5L-M which is physically identical with the same exact specifications.
The article number 30501-6X1L will be discontinued. Please order the single bottle 30501-1L which is physically identical with the same exact specifications.
The article number 30501-6X1L-M will be discontinued. Please order the single bottle 30501-1L-M which is physically identical with the same exact specifications.

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 1 - 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
• Flash Point(F): Not applicable
• Flash Point(C): Not applicable