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05002

Sigma-Aldrich

Ammonium hydroxide solution

puriss., 30-33% NH3 in H2O

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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

grade

puriss.

form

liquid

expl. lim.

27 %

concentration

30-33% NH3 in H2O

impurities

≤0.0003% heavy metals (as Pb)
≤0.002% non-volatile matter

pH

11.7 (20 °C)

density

0.9 g/mL at 25 °C (lit.)

anion traces

chloride (Cl-): ≤2 mg/kg
sulfate (SO42-): ≤20 mg/kg

cation traces

Fe: ≤1 mg/kg

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
1.054285.438301.05423
Ammonia solution 25 % Suprapur®

Supelco

1.05428

Ammonia solution 25 %

Ammonia solution 25% for HPLC LiChropur™

Supelco

5.43830

Ammonia solution 25%

Ammonia solution 28-30% for analysis EMSURE® ACS,Reag. Ph Eur

Supelco

1.05423

Ammonia solution 28-30%

form

liquid

form

liquid

form

-

form

liquid

concentration

30-33% NH3 in H2O

concentration

25%

concentration

-

concentration

28.0-30.0% NH4OH

impurities

≤0.0003% heavy metals (as Pb), ≤0.002% non-volatile matter

impurities

-

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

pH

11.7 (20 °C)

pH

-

pH

-

pH

>12 (20 °C in H2O, strongly alkaline)

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.)

density

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

Other Notes

The article number 05002-4X2.5L will be discontinued. Please order the single bottle 05002-2.5L which is physically identical with the same exact specifications.
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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Ammonia solution 28-30% for analysis EMSURE® ACS,Reag. Ph Eur

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[Ketamine (Ketalar), a clinical and pharmacological study].
J Rioux
Annales de l'anesthesiologie francaise, 16(2), 1E-7E (1975-03-01)
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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