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05003

Sigma-Aldrich

Ammonium hydroxide solution

puriss., meets analytical specification of Ph. Eur., 25-30% NH3 basis

Synonym(s):

Ammonia aqueous, Ammonia water

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About This Item

Linear Formula:
NH4OH
CAS Number:
1336-21-6
Molecular Weight:
35.05
Beilstein:
3587154
MDL number:
MFCD00066650
UNSPSC Code:
12352106
PubChem Substance ID:
329748002
NACRES:
NA.21

grade

puriss.

form

liquid

quality

meets analytical specification of Ph. Eur.

expl. lim.

27 %

concentration

25-30% NH3

impurities

≤0.0018% non-volatile matter
≤1 ppm heavy metals (as Pb)
≤2 ppm pyridine, related subst. (as pyridine)

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 (CO32-): ≤60 ppm
chloride (Cl-): ≤1 ppm
sulfate (SO42-): ≤5 ppm

cation traces

Fe: ≤0.25 ppm

storage temp.

2-8°C

SMILES string

[NH4+].[OH-]

InChI

1S/H3N.H2O/h1H3;1H2

InChI key

VHUUQVKOLVNVRT-UHFFFAOYSA-N

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Packaging

In PE-bottles; also available in Glass-bottles (Material no. ending with *-GL), Steel drum with PE inliner (Material no. ending with *H)

Other Notes

The article number 05003-4X2.5L will be discontinued. Please order the single bottle 05003-2.5L which is physically identical with the same exact specifications.
The article number 05003-4X5L will be discontinued. Please order the single bottle 05003-5L which is physically identical with the same exact specifications.
The article number 05003-6X1L will be discontinued. Please order the single bottle 05003-1L which is physically identical with the same exact specifications.

Signal Word

Danger

Hazard Statements

H314,H335,H410

Hazard Classifications

Aquatic Acute 1 - Aquatic Chronic 1 - Eye Dam. 1 - Skin Corr. 1 - 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

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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Jong-Hee Kim et al.
Journal of nanoscience and nanotechnology, 14(11), 8739-8744 (2015-05-12)
Magnetic nanoparticles were synthesized by the addition of ammonium hydroxide to an iron chloride solution by chemical co-precipitation. In order to examine systematically the crystal phase, average size, and magnetic properties of the magnetic nanoparticles, the following were used as
Synchrotron photoemission spectroscopy study of ammonium hydroxide etching to prepare well-ordered GaAs (100) surfaces.
Lebedev MV, et al.
Applied Surface Science, 229(1), 226-232 (2004)
Claudia M Gómez-Gutiérrez et al.
Scanning, 37(6), 389-392 (2015-05-27)
In this work, the influence of substrate on the morphology of ZnS thin films by chemical bath deposition is studied. The materials used were zinc acetate, tri-sodium citrate, thiourea, and ammonium hydroxide/ammonium chloride solution. The growth of ZnS thin films
Silver electrocrystallization on vitreous carbon from ammonium hydroxide solutions.
Palomar-Pardave M, et al.
Journal of the Electrochemical Society, 143(5), 1551-1558 (1996)
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
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