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Bases

Ammonia Solution Extra Pure 25%

RA000155 CAS 1336-21-6 Extra Pure

Identity

Product code
RA000155
CAS number
1336-21-6
Grade
Extra Pure
Purity
25%
Molecular formula
NH4OH
Molecular weight
35.05

Classification

Categories
Bases primary

Technical Data

Properties

PropertyValueUnit
Physical state at 20 °C Liquid —
Vapour pressure [20°C] 153 hPa hPa
Vapour density 1.21 —
Density [g/cm3] 0.9 g/cm3 g/cm3
Solubility in water [% weight] Infinitely soluble —
Explosion limits - upper [%] 27 % %
Explosion limits -lower [%] 16 % %
Colour Clear Colorless —
Odour Ammonia odour —
pH value 11.7 —
Melting point/ Freezing point [°C] -60 °C °C
Auto-ignition temperature [°C] 651 °C °C
Boiling point [°C] 38 - 100 °C °C
Initial boiling point [°C] 38 °C °C
Final boiling point [°C] 100 °C °C

These are recorded catalogue property values. Product specification limits, where available, are listed under Specifications.

Specifications

ParameterSpecificationUnit
Appearance Clear colourless liquid with a pungent odour —
Assay Min 25 % %
Non-volatile matter Max 0.01 % %
Chloride (Cl) Max 0.001 % %
Sulphate (SO4) Max 0.002 % %
Arsenic (As) Max 0.00002 % %
Iron (Fe) Max 0.0001 % %
Lead (Pb) Max 0.0001 % %

Packaging

Pack size SKU
25 L RA000155-PK-25L
500 mL RA000155-PK-500ML
1 L RA000155-PK-1L
200 L RA000155-PK-200L
2.5 L RA000155-PK-2.5L
5 L RA000155-PK-5L