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Merck
CN

09860

Ammonium hydroxide solution

puriss. p.a., 25% NH3 in H2O (T)

Synonym(s):

Ammonia aqueous, Ammonia water

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About This Item

Linear Formula:
NH4OH
CAS Number:
Molecular Weight:
35.05
UNSPSC Code:
12352106
Beilstein/REAXYS Number:
3587154
MDL number:
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InChI key

VHUUQVKOLVNVRT-UHFFFAOYSA-N

InChI

1S/H3N.H2O/h1H3;1H2

grade

puriss. p.a.

expl. lim.

27 %

concentration

25% NH3 in H2O (T)

impurities

≤0.00005% pyridine, ≤0.0005% KMnO4-reducing substances

evapn. residue

≤0.0018%

density

0.91 g/mL at 20 °C

anion traces

carbonate (as CO2): ≤10 mg/kg, chloride (Cl-): ≤0.5 mg/kg, phosphate (PO43-): ≤0.5 mg/kg, sulfate (SO42-): ≤2 mg/kg, sulfide (S2-): ≤0.2 mg/kg

cation traces

Ag: ≤0.02 mg/kg, Al: ≤0.5 mg/kg, Au: ≤0.1 mg/kg, Ba: ≤0.05 mg/kg, Bi: ≤0.1 mg/kg, Ca: ≤1 mg/kg, Cd: ≤0.05 mg/kg, Co: ≤0.05 mg/kg, Cr: ≤0.05 mg/kg, Cu: ≤0.1 mg/kg, Fe: ≤0.1 mg/kg, Ga: ≤0.02 mg/kg, In: ≤0.02 mg/kg, K: ≤0.5 mg/kg, Li: ≤0.02 mg/kg, Mg: ≤0.1 mg/kg, Mn: ≤0.05 mg/kg, Mo: ≤0.05 mg/kg, Na: ≤1 mg/kg, Ni: ≤0.05 mg/kg, Pb: ≤0.05 mg/kg, Pt: ≤0.1 mg/kg, Sn: ≤0.1 mg/kg, Sr: ≤0.2 mg/kg, Ti: ≤0.1 mg/kg, Tl: ≤0.05 mg/kg, Zn: ≤0.1 mg/kg

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Danger

Hazard Classifications

Aquatic Acute 1 - Aquatic Chronic 2 - Eye Dam. 1 - Skin Corr. 1 - STOT SE 3

target_organs

Respiratory system

Storage Class

8B - Non-combustible corrosive hazardous materials

wgk

WGK 2

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Faceshields, Gloves, Goggles, type ABEK (EN14387) respirator filter

Regulatory Information

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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
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
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
Enrique Cequier et al.
Analytica chimica acta, 845, 98-104 (2014-09-10)
Organophosphate triesters are common flame retardants used in a wide variety of consumer products from which they can migrate and pollute the indoor environment. Humans may thus be continuously exposed to several organophosphate triesters which might be a risk for

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