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1.05426

Supelco

Ammonia solution 32%

EMPLURA®

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Synonym(s):
Ammonium hydroxide solution, Ammonia aqueous, Ammonia water
Linear Formula:
NH4OH
CAS Number:
Molecular Weight:
35.05
Beilstein/REAXYS Number:
3587154
MDL number:

vapor pressure

837 hPa ( 20 °C)

Quality Level

product line

EMPLURA®

form

liquid

expl. lim.

27 %

concentration

≥30% (NH3, acidimetric)

impurities

≤0.0001% Heavy metals (as Pb)
≤0.0005% Fe (Iron)
≤0.0008% Substances reducing potassium permanganate (as O)
≤0.002% Chloride (Cl)
≤0.003% Sulphate (SO?)

ign. residue

≤0.003% (as sulphates)

color

APHA: ≤10

bp

37.7 °C/1013 hPa

mp

-91.5 °C

density

0.9 g/mL at 25 °C (lit.)

storage temp.

2-30°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
1.054231.931011.05428
vibrant-m

1.05426

Ammonia solution 32%

vibrant-m

1.05423

Ammonia solution 28-30%

vibrant-m

1.93101

Ammonia solution 28-30%

vibrant-m

1.05428

Ammonia solution 25 %

concentration

≥30% (NH3, acidimetric)

concentration

28.0-30.0% NH4OH

concentration

-

concentration

25%

impurities

≤0.0001% Heavy metals (as Pb), ≤0.0008% Substances reducing potassium permanganate (as O), ≤0.003% Sulphate (SO?), ≤0.0005% Fe (Iron), ≤0.002% Chloride (Cl)

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

impurities

-

impurities

-

mp

-91.5 °C

mp

-72 °C

mp

-

mp

-57.5 °C

form

liquid

form

liquid

form

-

form

liquid

bp

37.7 °C/1013 hPa

bp

32 °C

bp

-

bp

37.7 °C/1013 hPa

Packaging

Due to quality and safety aspects Ammonia Solution will no longer be offered in glass bottles but solely in HDPE bottles.

Please note the following replacements:
1054261000 (1 L glass bottle) replaced by 1054261011 (1 L HDPE bottle)
1054262500 (2.5 L glass bottle) replaced by 1054262511 (2.5 L HDPE bottle)

More information about our ergonomic and unbreakable HDPE bottles can be found here: www.SigmaAldrich.com/hdpe-bottle

Analysis Note

Assay (acidimetric, NH₃): ≥ 30 %
Identity: passes test
Colour: ≤ 10 Hazen
Chloride (Cl): ≤ 0.002 %
Sulphate (SO₄): ≤ 0.003 %
Heavy metals (as Pb): ≤ 0.0001 %
Fe (Iron): ≤ 0.0005 %
Substances reducing potassium permanganate (as O): ≤ 0.0008 %
Residue on ignition (as sulphates): ≤ 0.003 %

Legal Information

EMPLURA is a registered trademark of Merck KGaA, Darmstadt, Germany

signalword

Danger

Hazard Classifications

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

target_organs

Respiratory system

Storage Class

8B - Non-combustible, corrosive hazardous materials

wgk_germany

WGK 2


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