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05003

Sigma-Aldrich

Ammonium hydroxide solution

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

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Synonym(s):
Ammonia aqueous, Ammonia water
Linear Formula:
NH4OH
CAS Number:
Molecular Weight:
35.05
Beilstein:
3587154
MDL number:
PubChem Substance ID:
NACRES:
NA.21

Quality Level

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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1 of 4

This Item
1.054285.438301.93100
Ammonium hydroxide solution puriss., meets analytical specification of Ph. Eur., 25-30% NH3 basis

Sigma-Aldrich

05003

Ammonium hydroxide solution

Essential Grade
Ammonia solution 25 % Suprapur®

Supelco

1.05428

Ammonia solution 25 %

-
Ammonia solution 25% for HPLC LiChropur™

Supelco

5.43830

Ammonia solution 25%

-
Ammonia solution 25% for analysis EMPARTA®

Supelco

1.93100

Ammonia solution 25%

-
form

liquid

form

liquid

form

-

form

-

concentration

25-30% NH3

concentration

25%

concentration

-

concentration

-

impurities

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

impurities

-

impurities

-

impurities

-

pH

11.7 (20 °C)

pH

-

pH

-

pH

-

density

0.892-0.910 g/mL at 20 °C, 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.)

density

0.9 g/mL at 25 °C (lit.)

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

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


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Claudia M Gómez-Gutiérrez et al.
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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
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)
Silver electrocrystallization on vitreous carbon from ammonium hydroxide solutions.
Palomar-Pardave M, et al.
Journal of the Electrochemical Society, 143(5), 1551-1558 (1996)
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
Seyedeh Parinaz Akhlaghi et al.
Carbohydrate research, 409, 48-55 (2015-05-02)
A simple protocol was used to prepare amine functionalized cellulose nanocrystals (CNC-NH2). In the first step, epichlorohydrin (EPH) was reacted with ammonium hydroxide to produce 2-hydroxy-3-chloro propylamine (HCPA). In the next step, HCPA was grafted to CNC using the etherification

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