Packings
01138
Article No. 01138
Purity 99%
Molecular Formula NH4Cl
H.S. Code 2827.1000
Grade Extra Pure
CAS No. 12125-02-9
Molecular Weight 53.49
Shelf Life 60 Months

Physical Properties

Specifications

Safety Information and Hazard Symbols

Symbol:


Physical Properties

Physical state at 20 °C Solid Colour White crystalline
Odour Odorless pH value 4.5 - 5.5
Melting point/ Freezing point [°C] 340°C Solubility in water [% weight] Soluble in water

Specifications

Appearance White crystalline powder Assay (argentometric) Min 99%
Sulphate (SO4) Max 0.015% Heavy metal (as Pb) Max 0.001%
Arsenic (As) Max 0.0003% Lead (Pb) Max 0.001%
Calcium (Ca) Max 0.02% Iron (Fe) Max 0.002%
Copper (Cu) Max 0.0025% Zinc (Zn) Max 0.0025%
Residue on ignition (at 800°C) Max 0.1% Iodide, Bromide (I, Br) Passes test
pH (5% solution) 4.5-5.5 Identity Passes test
Clarity of solution Passes test Acidity or alkalinity Passes test
Loss on drying (at 105°C) Max 0.5% Thiocyanate (SCN) Passes test

Safety Information and Hazard Symbols

Exclamation Mark              

Symbol: GHS07
Signal Word: Warning
Hazardous Statement: H302-H319
Precaution Statement: P305 + P351 + P338