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Chlorine (Cl) is a light, highly reactive gaseous element exhibiting a yellow-green color at room temperature. Although pure chlorine is too reactive to exist in its original state, various naturally occurring chlorine compounds are essential to human life. For example, the hydrochloric acid in our stomachs aids digestion by breaking down food and killing harmful bacteria. And most of us have used sodium chloride (table salt) to season our food. Chlorine gas is produced via the electrolysis of a sodium chloride solution, which yields a caustic soda known as sodium hydroxide along with hydrogen gas. Brenntag, N.A. is a top chlorine gas distributor for industrial and manufacturing applications.

Chlorine uses and applications

Chlorine gas has numerous uses in our everyday lives. Its ability to destroy bacteria makes it valuable for disinfecting drinking water and keeping the water in swimming pools clean. It’s also widely used in the manufacturing of chemicals and pharmaceuticals. It’s estimated that as many as 85 percent of medicines, including several lifesaving drugs, are produced via chlorine chemistry. Approximately 25 percent of medical devices such as blood bags, heart catheters, and X-ray films also contain chlorine. And two-thirds of all chlorine is used in the manufacturing of plastic materials such as PVC, polyurethanes, Teflon, and epoxy resins for the automobile industry. Manufacturers must exercise caution when using chlorine gas in their processes, as even a small spill or leak can have deadly consequences.

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Chlorine exists in four oxides: chlorine monoxide, chlorine dioxide, dichlorine heptoxide and dichlorine hexoxide, each of which is highly reactive and unstable. Chlorine can also displace heavier halogens like bromine and iodine.

Chlorine’s melting point is -101° C (-149.8° F), while its density is 3.21*10 -3 -3 at 20° C. The atomic mass of chlorine is 35.453 g.mol -1. Chlorine’s boiling point is -34.6° C, while it electronegativity according to Pauling is 3.0.


If you need to know where to buy chlorine gas in Canada in the quality and quantity that meets your business’s needs, Brenntag, N.A. is your one-stop solution. With strategic locations throughout the U.S. and Canada, we’re fully prepared to ship chlorine gas to just about anywhere. We also support every product we sell with our industry-best expertise and customer-focus service. Contact us to learn more today.

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