License for Liquid Chlorine to Facilitate Quality Product with Standard Mark (Important) (Download PDF)


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Bureau of Indian Standards (BIS) has granted First Licence to Gujarat Alkalies & Chemicals Ltd for Liquid Chlorine on all India basis as per Indian Standard (IS) 646: 1986. This is 1st Licence granted on All India basis. Licence is made operative w/effect from April 2018 for one year.

Image of Bureau of Indian Standards

Image of Bureau of Indian Standards

Image of Bureau of Indian Standards

Indian Standard 646: 1986 for Liquid Chlorine

  • Indian Standard 646: 1986 for Liquid Chlorine, Technical, prescribes requirements & methods of sampling & test for liquid chlorine, technical.

  • Move will facilitate industry to get quality Liquid Chlorine w/Standard Mark under BIS Certification Marks scheme.

What is Liquid Chlorine

  • Liquid chlorine is known for its role in water treatment & purification.

  • Another major industrial application is manufacturing plastic & polymers like poly vinyl chloride (PVC) & polyurethane.

  • It finds application in industries like pharmaceutical & agriculture.

  • Product is in liquid form & stored in metal containers. It is used as gas obtained by evaporating liquid from metal container.

Applications of Liquid Chlorine

  • Liquid chlorine is used to manufacture pesticides & insecticides including BHC & DDT.

  • Liquid chlorine serves as reactive intermediate to make inorganic chemicals like hydrochloric acid, chloro sulphonic acid & metallic chlorides.

  • Chlorine derivatives of copper phthalocyanines are commercially important.

  • 98 % of pharmaceuticals drugs are manufactured using liquid chlorine.

  • Chlorination of ethylene produces PVC. Liquid chlorine is used in production of methylene diphenyl diisocyanate (MDI) & toluene diisocyanate (TDI) which are used to make polyurethanes.

  • As bleaching agent, liquid chlorine helps in pulp whitening.

  • Liquid chlorine is used to bleach cotton yarn & cloth in textile industry.

  • When added to raw water, liquid chlorine helps prevent biological growth.

  • Liquid chlorine added to rapid mix before sedimentation is used for disinfection, oxidation of iron & manganese, taste & odour, as well as control & oxidation of hydrogen sulphide.

Bureau of Indian Standards (BIS):

  • BIS is National Standards Body of India working under aegis of Ministry of Consumer Affairs, Food & Public Distribution, GoI.

  • It is established by BIS Act, 1986.

  • Its headquarters are in New Delhi.

  • It works as WTO-TBT (Technical Barriers to Trade) enquiry point for India.

  • It is mandated for harmonious development of activities of standardization, marking & quality certification of goods & for matters connected.

  • It is involved in various activities like standards formulation, product certification scheme, compulsory registration scheme, foreign manufacturers certification scheme, hall marking scheme, laboratory services, laboratory recognition scheme, sale of Indian standards, consumer affairs activities etc.

  • BIS is providing benefits to national economy in number of ways like by providing safe reliable quality goods, promoting exports & imports substitute, minimizing health hazards to consumers thru standardization, certification & testing.

- Published/Last Modified on: July 7, 2018


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