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Key Documents

30501-M

Sigma-Aldrich

Ammonium hydroxide solution

puriss. p.a., reag. ISO, reag. Ph. Eur., ≥25% NH3 basis

Synonym(s):

Ammonia aqueous, Ammonia water

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About This Item

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

Pricing and availability is not currently available.

Agency

USP/NF
reag. ISO
reag. Ph. Eur.

Quality Level

grade

puriss. p.a.

form

liquid

expl. lim.

27 %

concentration

≥25% NH3

impurities

readily oxidisable substances, complies
≤0.00005% pyridine
≤0.0005% KMnO4 red. matter (as O)
≤1 ppm heavy metals (as Pb)

evapn. residue

≤0.0018%

density

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

anion traces

carbonate (CO32-): ≤10 ppm
chloride (Cl-): ≤0.5 ppm
phosphate (PO43-): ≤0.5 ppm
silicate (as SiO2): ≤10 ppm
sulfate (SO42-): ≤2 ppm
sulfide (S2-): ≤0.2 ppm

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This Item
F9423F752412138C
biological source

horse serum

biological source

bovine fetus

biological source

bovine fetus

biological source

bovine (calf) (formula-fed)

origin

USA origin

origin

Australia origin

origin

non-USA origin

origin

USA origin

technique(s)

cell culture | hybridoma: suitable, cell culture | mammalian: suitable

technique(s)

cell culture | hybridoma: suitable, cell culture | mammalian: suitable

technique(s)

cell culture | mammalian: suitable

technique(s)

cell culture | mammalian: suitable

impurities

≤10 EU/mL endotoxin

impurities

≤10 EU/mL endotoxin

impurities

≤10 EU/mL endotoxin

impurities

≤10 EU/mL endotoxin

storage temp.

−20°C

storage temp.

−20°C

storage temp.

−20°C

storage temp.

−20°C

Application


  • Ammonium Hydroxide in Material Adsorption: Ammonium hydroxide is used to enhance the adsorption capacity of alginate-based magnetic nanocomposite beads for removing heavy metal ions from water, showcasing its effectiveness in water purification technologies (Russo et al., 2024).

  • Capillary Electrophoresis for Nanoplastics: Ammonium hydroxide is utilized in developing methodologies for the separation and detection of nanoplastic particles using capillary electrophoresis, crucial for environmental monitoring and safety assessments (Adelantado et al., 2024).

Packaging

In PE-bottles; also available PE-bottles black (Material no. ending with PEBL; Glass-bottles (Material no. ending with *-GL), PE canister (Material no. ending with *-H)

Signal Word

Danger

Hazard Statements

Hazard Classifications

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

Target Organs

Respiratory system

Storage Class Code

8A - 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.
    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
    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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