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09859

Sigma-Aldrich

Ammonium hydroxide solution

BioUltra, ~1 M NH3 in H2O (T)

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Synonym(s):
Ammonia aqueous, Ammonia water
Linear Formula:
NH4OH
CAS Number:
Molecular Weight:
35.05
Beilstein/REAXYS Number:
3587154
MDL number:
eCl@ss:
38060103
PubChem Substance ID:
NACRES:
NA.25

product line

BioUltra

Quality Level

form

liquid

expl. lim.

27 %

concentration

~1 M NH3 in H2O (T)

impurities

insoluble matter, passes filter test

density

0.9 g/mL at 25 °C (lit.)

anion traces

chloride (Cl-): ≤0.5 mg/kg
phosphate (PO43-): ≤0.5 mg/kg
sulfate (SO42-): ≤2 mg/kg

cation traces

Al: ≤1 mg/kg
As: ≤0.1 mg/kg
Ba: ≤1 mg/kg
Bi: ≤1 mg/kg
Ca: ≤5 mg/kg
Cd: ≤1 mg/kg
Co: ≤1 mg/kg
Cr: ≤1 mg/kg
Cu: ≤1 mg/kg
Fe: ≤1 mg/kg
K: ≤20 mg/kg
Li: ≤1 mg/kg
Mg: ≤1 mg/kg
Mn: ≤1 mg/kg
Mo: ≤1 mg/kg
Na: ≤20 mg/kg
Ni: ≤1 mg/kg
Pb: ≤1 mg/kg
Sr: ≤1 mg/kg
Zn: ≤1 mg/kg

λ

neat

UV absorption

λ: 260 nm Amax: 0.01
λ: 280 nm Amax: 0.01

storage temp.

2-8°C

SMILES string

[NH4+].[OH-]

InChI

1S/H3N.H2O/h1H3;1H2

InChI key

VHUUQVKOLVNVRT-UHFFFAOYSA-N

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1 of 4

This Item
1.931001.054231.05432
vibrant-m

09859

Ammonium hydroxide solution

Premium Grade
vibrant-m

1.93100

Ammonia solution 25%

-
vibrant-m

1.05423

Ammonia solution 28-30%

-
vibrant-m

1.05432

Ammonia solution 25%

-
Quality Level

200

Quality Level

-

Quality Level

300

Quality Level

300

form

liquid

form

-

form

liquid

form

liquid

UV absorption

λ: 260 nm Amax: 0.01, λ: 280 nm Amax: 0.01

UV absorption

-

UV absorption

-

UV absorption

-

density

0.9 g/mL at 25 °C (lit.)

density

0.9 g/mL at 25 °C (lit.)

density

0.9 g/mL at 25 °C (lit.), 0.892-0.910 (relative density (d 20/20))

density

0.9 g/mL at 25 °C (lit.)

impurities

insoluble matter, passes filter test

impurities

-

impurities

≤0.020 ppm Ag (Silver), ≤0.020 ppm Ga (Gallium), ≤0.020 ppm In (Indium), ≤0.020 ppm Li (Lithium), ≤0.050 ppm Ba (Barium), ≤0.050 ppm Cd (Cadmium), ≤0.050 ppm Co (Cobalt), ≤0.050 ppm Cr (Chromium), ≤0.050 ppm Mn (Manganese), ≤0.050 ppm Mo (Molybdenum), ≤0.050 ppm Ni (Nickel), ≤0.050 ppm Pb (Lead), ≤0.050 ppm Tl (Thallium), ≤0.100 ppm Au (Gold), ≤0.100 ppm Bi (Bismuth), ≤0.100 ppm Cu (Copper), ≤0.100 ppm Fe (Iron), ≤0.100 ppm Mg (Magnesium), ≤0.100 ppm Pt (Platinum), ≤0.100 ppm Sn (Tin), ≤0.100 ppm Sr (Strontium), ≤0.100 ppm Ti (Titanium), ≤0.100 ppm Zn (Zinc), ≤0.2 ppm Sulphide (S), ≤0.3 ppm Chloride (Cl), ≤0.5 ppm Heavy metals (as Pb), ≤0.5 ppm Phosphate (PO4), ≤0.500 ppm Al (Aluminium), ≤0.500 ppm As (Arsenic), ≤0.500 ppm Ca (Calcium), ≤0.500 ppm K (Potassium), ≤0.500 ppm Na (Sodium), ≤10 ppm Carbonate (as CO2), ≤10 ppm Non volatile matter, ≤2 ppm Nitrate (NO3), ≤2 ppm Pyridine and related substances, ≤2 ppm Sulphate (SO4), ≤5 ppm Silicate (as SiO2), ≤5 ppm Substances reducing potassium permanganate

impurities

-

Application

Ammonium hydroxide solution can be used to study chromatography, base solutions, analytical reagents, titration and volumetric solutions. Ammonium hydroxide solution has been used to develop a single-laboratory validation by inductively coupled plasma-mass spectrometry for the determination of total iodine (m/z 127) in infant formula and adult nutritional products. Ammonium hydroxide solution has also been used to develop a sensitive liquid chromatography-tandem mass spectrometry method to quantify miglustat in mouse plasma and in human plasma, which has improved treatment of patients with cystic fibrosis.

pictograms

CorrosionEnvironment

signalword

Danger

Hazard Classifications

Aquatic Acute 1 - Aquatic Chronic 3 - Eye Dam. 1 - Skin Irrit. 2

Storage Class

12 - Non Combustible Liquids

wgk_germany

WGK 2

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Faceshields, Gloves, Goggles


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Y H Tak et al.
Analytical and bioanalytical chemistry, 401(10), 3275-3281 (2011-10-21)
A capillary electrophoresis method with UV-absorbance detection was studied and optimized for the determination of underivatized amino acids in urine. To improve concentration sensitivity the utility of in-capillary analyte stacking via dynamic pH junction was investigated with phenylalanine (Phe) and
Konstantin Chingin et al.
Analytical chemistry, 84(15), 6856-6862 (2012-07-12)
We introduce an online multiple-junction capillary isoelectric focusing fractionator (OMJ-CIEF) for separation of biological molecules in solution by pI. In OMJ-CIEF, the separation capillary is divided into seven equal sections joined with each other via tubular Nafion membrane insertions. Each
Ciceron Ayala-Orozco et al.
ACS nano, 8(6), 6372-6381 (2014-06-04)
Au nanoparticles with plasmon resonances in the near-infrared (NIR) region of the spectrum efficiently convert light into heat, a property useful for the photothermal ablation of cancerous tumors subsequent to nanoparticle uptake at the tumor site. A critical aspect of
Dominic J Hare et al.
ACS chemical neuroscience, 6(3), 398-402 (2015-01-15)
Plasma iron levels are decreased in Alzheimer's disease (AD) and associated with an idiopathic anemia. We examined iron-binding plasma proteins from AD patients and healthy controls from the Australian Imaging, Biomarkers and Lifestyle (AIBL) Flagship Study of Ageing using size
Marilia Freitas Calmon et al.
Colloids and surfaces. B, Biointerfaces, 100, 177-184 (2012-07-07)
Magnetic iron oxide nanoparticles (magnetite) (MNPs) were prepared using different organic and inorganic bases. Strong inorganic base (KOH) and organic bases (NH(4)OH and 1,4-diazabicyclo[2.2.2]octane (DABCO)) were used in the syntheses of the MNPs. The MNPs were characterized by X-ray diffraction

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