Merck
All Photos(2)

1.05423

Supelco

Ammonia solution 28-30%

for analysis EMSURE® ACS,Reag. Ph Eur

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

Quality Level

grade

ACS reagent

Agency

reag. Ph. Eur.

vapor pressure

635 hPa ( 20 °C)

product line

EMSURE®

form

liquid

expl. lim.

27 %

concentration

28.0-30.0% NH4OH

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

SMILES string

[NH4+].[OH-]

ign. residue

≤10 ppm

pH

>12 (20 °C in H2O, strongly alkaline)

bp

32 °C

mp

-72 °C

density

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

storage temp.

2-30°C

InChI

1S/H3N.H2O/h1H3;1H2

InChI key

VHUUQVKOLVNVRT-UHFFFAOYSA-N

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Analysis Note

Assay (acidimetric, NH₃): 28.0 - 30.0 %
Identity: passes test
Appearance: passes test
Appearance of solution: passes test
Relative Density (d 20/20): 0.892 - 0.910
Carbonate (as CO₂): ≤ 10 ppm
Chloride (Cl): ≤ 0.3 ppm
Nitrate (NO₃): ≤ 2 ppm
Phosphate (PO₄): ≤ 0.5 ppm
Heavy metals (as Pb): ≤ 0.5 ppm
Silicate (as SiO₂): ≤ 5 ppm
Sulphate (SO₄): ≤ 2 ppm
Sulphide (S): ≤ 0.2 ppm
Ag (Silver): ≤ 0.020 ppm
Al (Aluminium): ≤ 0.500 ppm
As (Arsenic): ≤ 0.500 ppm
Au (Gold): ≤ 0.100 ppm
Ba (Barium): ≤ 0.050 ppm
Bi (Bismuth): ≤ 0.100 ppm
Ca (Calcium): ≤ 0.500 ppm
Cd (Cadmium): ≤ 0.050 ppm
Co (Cobalt): ≤ 0.050 ppm
Cr (Chromium): ≤ 0.050 ppm
Cu (Copper): ≤ 0.100 ppm
Fe (Iron): ≤ 0.100 ppm
Ga (Gallium): ≤ 0.020 ppm
In (Indium): ≤ 0.020 ppm
K (Potassium): ≤ 0.500 ppm
Li (Lithium): ≤ 0.020 ppm
Mg (Magnesium): ≤ 0.100 ppm
Mn (Manganese): ≤ 0.050 ppm
Mo (Molybdenum): ≤ 0.050 ppm
Na (Sodium): ≤ 0.500 ppm
Ni (Nickel): ≤ 0.050 ppm
Pb (Lead): ≤ 0.050 ppm
Pt (Platinum): ≤ 0.100 ppm
Sn (Tin): ≤ 0.100 ppm
Sr (Strontium): ≤ 0.100 ppm
Ti (Titanium): ≤ 0.100 ppm
Tl (Thallium): ≤ 0.050 ppm
Zn (Zinc): ≤ 0.100 ppm
Pyridine and related substances: ≤ 2 ppm
Substances Reducing Permanganate (ACS): passes test
Substances reducing potassium permanganate: ≤ 5 ppm
Residue after ignition: ≤ 10 ppm
Non volatile matter: ≤ 10 ppm

Legal Information

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

Signal Word

Danger

Hazard Statements

Hazard Classifications

Aquatic Acute 1 - Aquatic Chronic 2 - 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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Certificate of Quality

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