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Ammonium Chloride 99.5% AR Grade Reagent

Cas Number: 12125-02-9
Formula: NH4Cl
Molar Mass:53.49
EC Number:235-186-4

Quantity:
  • AR
  • LABOR
  • 201702129

Ammonium Chloride 99.5% AR Grade Reagent


Cas Number: 12125-02-9

Formula: NH4Cl

Molar Mass:53.49

EC Number:235-186-4


Physicochemical properties:

Colorless crystal or white granular powder. Odorless with  cool, salty taste. Slightly hygroscopic. It can sublimate without melting point. Hydrochloric acid and sodium chloride reduce the solubility in water. The solubility in water is 20% (w/w) at -13 °C, 25% at 10 °C, 30% at 33 °C, and 40% at 80 °C with a strong endothermic (ie, when dissolved, lowers the temperature of the solution). The pH of the aqueous solution is 25 ° C, 1% is 5.5, 3% is 5.1, and 10% is 5.0. Soluble in methanol.


Usage:

Isolation and precipitation of ions.Buffer. Determination of uric acid. Refrigerant. Pharmaceutical.


Packing:

500g/25kg






Item of Analysis

Standard

Assay,%

99.5 min

pH(50g/L,25℃)

4.5~5.5

Transparency of solution

3 max

Insoluble in water,%

0.005 max

Residue on ignition(as SO4),%

0.02 max

Sulfate(SO4),%

0.005 max

Phosphate(PO4),%    

0.0005 max

Sodium(Na),%

0.005 max

Magnesium(Mg),%

0.001 max

Potassium(K),%

0.005 max

Calcium(Ca),%

0.001 max

Iron(Fe),%

0.0005 max


Symbol 

Signal word 

Warning

Hazard statement

H302


H319


H402

Precautionary statements—Prevention

P264


P270


P273


P280

Precautionary statements—Response

P301+P312+P330


P305+P351+P338


P337+P313

UN No.

No information



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