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Ammonium hydroxide solution (CAS 1336-21-6)

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Synonym:Ammonia aqueous; Ammonia water;
Application:Approximately 28-30% NH3, a complexant and base
CAS Number:1336-21-6
Molecular Weight:35.05
Molecular Formula:NH4OH
Refer to Certificate of Analysis for lot specific data (including water content).
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Product NameCatalog #UnitPriceQtyAddFavorites
Ammonium hydroxide solution sc-214535 500 ml $37
Ammonium hydroxide solution sc-214535A 2.5 L $85
This is classified as a Dangerous Good for transport and may be subject to additional shipping charges.
Description
Ammonium hydroxide supplied in solution [NH3(aq)] with approximately 28-30% NH3; it appears as a colorless liquid, free from suspended matter or sediment. Aqueous ammonia is used in the laboratory most often as a complexant and base in inorganic analysis. Can also dissolve silver residues. With copper(II) solutions, gives a deep blue coloration. Ammonium hydroxide has also been used as an alternative for decalcifying bone specimens prior to histological examination.
Technical Information
Formulation:20~30%
Physical State:Liquid
Solubility:Soluble in water.
Storage:Store at room temperature
Melting Point:-60 °C
Boiling Point:38-100 °C at 760 mmHg
Density:0.9 g/mL at 25 °C (lit.)
pK Values:pKb: 4.74
Safety and Reference Information
Transport:UN 2672, Class 8, Packing group III
WGK Germany:2
RTECS:BQ9625000
PubChem CID:14923
Merck Index:14: 494
MDL Number:MFCD00066650
EC Number:215-647-6
Beilstein Registry:3587154
SMILES:[NH4+].[OH-]
For Research Use Only. Not Intended for Diagnostic or Therapeutic Use.
References
1. Sanderson, C., et al. 1995. Biotech Histochem. 70: 12-18. PMID: 7540046
2. Ishikawa, T., et al. 2003. J. Org. Chem. 68: 3702-3705. PMID: 12713383
3. Alriksson, B., et al. 2005. Appl. Biochem. Biotechnol. 121: 911-922. PMID: 15930570
4. Wei, L., et al. 2010. J Environ Sci. 22: 641-647. PMID: 20608497
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