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Ammonia Solution (25-28%) AR Grade Reagent

Cas Number:1336-21-6
Formula: NH4OH
Molar Mass:35.05
EC Number:215-647-6

Quantity:
  • AR
  • LABOR
  • 202302104

Ammonia Solution (25-28%) AR Grade Reagent


Cas Number:1336-21-6

Formula: NH4OH

Molar Mass:35.05

EC Number:215-647-6


Physicochemical properties:

Colorless transparent liquid. It is an aqueous solution of ammonia. It is easy to escape from ammonia and with a strong pungent odor. It is miscible with ethanol. Strongly alkaline. It can absorb carbon dioxide from the air. When reacting with sulfuric acid or other strong acids, it will heat up. It is close to the volatile acid to form smoke. The relative density (d2525) is 0.90. Moderately toxic, half lethal dose (rat, oral) 350mG/kg. Corrosive.


Usage:

Analytical reagents. Neutralizer. Alkaloid leaching agent. Used for the verification and determination of certain elements such as copper and nickel. A hydroxide used to precipitate various elements. Used for preparing ammonium compound. Detergent.


Packing:

500ml/25L/200L






Item of Analysis

Standard

Assay,%

25~28

Evaporating leavings,%

0.002 max

Chloride(Cl),%

0.00005 max

Sulfide(S),%

0.00002 max

Sulfate(SO4),%

0.0002 max

Carbonate(as CO2),%

0.001 max

Phosphate(PO4),%

0.0001 max

Sodium(Na),%

0.0005 max

Magnesium(Mg),%

0.0001 max

Potassium(K),%

0.0001 max

Calcium(Ca),%

0.0001 max

Iron(Fe),%

0.00002 max

Copper(Cu),%

0.00001 max

Lead(Pb),%

0.00005 max

Substance reducing potassium permanganate(as O),%

0.0008 max


Symbol 

Signal word 

Danger

Hazard statement

H302


H314


H318


H335


H400

Precautionary statements—Prevention

P260


P264


P270


P271


P273


P280

Precautionary statements—Response

P301+P312


P301+P330+P331


P303+P361+P353


P304+P340


P305+P351+P338


P312


P330


P363

Precautionary statements—Storage

P403+P233


P405

UN No.

2762

Hazard Class

8

Package Group

III

Flashpoint

No information

Boiling point

No information

Freezing point

No information

Self-ignition point

No information



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