Hydrochloric Acid

Hydrochloric Acid is a highly reactive chemical and it forms metal chlorides, most of which are soluble. This leads to its wide industrial use in metal cleaning applications.

Applications

  • Cleaning and pickling of metals
  • Acidizing of oil wells
  • Processing of textiles
  • Food processing
  • Manufacture of chlorine and chlorides
  • Manufacture of ossein/gelatine
  • Manufacture of chloro-organic compounds and polymers such as PVC, chlorinated rubber etc.

Properties

Colour
Clear, colourless to yellowish
Odour
Sharp, pungent
Specific gravity
1.159 32% HCl
Freezing point
(-) 43°C for 32% HCl
Boiling point
84°C for 32% HCl
Reactivity
Reacts with most metals, with evolution of Hydrogen

Specifications

PROPERTY
TECHNICAL GRADE HCI
AS PER IS : 265
LCAL HCI
(NORMAL VALUES)
Total acidity (as HCI)
30% min.
31%-32%
Residue on ignition
0.1% max.
0.01%
Sulphates (as H2SO4)
0.1% max.
Traces
Iron (as Fe)
0.005% max.
0.001%
Free chlorine and bromine
0.001%
0.001%
QUALITY

Hydrochloric Acid is manufactured in technical collaboration with UHDE GmbH of Germany, using graphite furnaces of Lecarbone – Lorraine, France. This gives a products of very high purity and water white appearance, as it is free from iron, a common impurity.

PACKAGING

HCI reacts with most metals and cannot be stored in metal containers. It should not be stored with or near oxidizing agents, particularly nitric acid and chlorates. Additionally, it should be stored in a cool, well-ventilated place, and all electrical wiring and fixtures in and around the storage area should be protected with acid vapor-proof casings. Moreover, storage tanks should be provided with adequate vents.

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