Chlorine Gas Detectors (Cl2 Detectors)

Cl2Chlorine (Cl2) is found in many industrial processes, including those used to make plastics and in the manufacturing of agricultural pesticides. It is used by pharmaceutical, food and beverage, pulp and paper, and electronics industries, as well as wastewater treatment facilities. Chlorine is also used in the manufacturing of gasoline additives, brake fluid, and antifreeze. Oil refineries inject chlorine directly into stacks to reduce sulfur emissions. Proper chlorine gas detection is essential in areas where workers are most likely to be exposed to toxic Cl2 gas, such as storage tank areas and near processing units. For the most reliable and accurate detection of chlorine gas, Industrial Scientific offers the Radius® BZ1 Area Monitor, the MX6 iBrid® portable multi-gas detector, and the GasBadge® Pro personal single-gas detector

Talk to an Expert

Related Gas Detectors - Chlorine

Chlorine - Cl2




Will not explode



Extremely toxic



Oxidizing agent


Chlorine gas, molecular chlorine

Exposure limits:


PEL\TWA: 1 ppm



STEL: 1 ppm/ 15 min.



IDLH: 30 ppm / 30 min.


Municipal pools, pulp and paper, waste water treatments plants, Hazmat teams,
railroad yards

Chlorine is greenish yellow gas with a characteristic pungent odor. Although not classified as an explosive gas, chlorine will react explosively or form an explosive compound when combined with substances like acetylene, ether, turpentine, ammonia, hydrogen, and fuel gas.

Chlorine derivatives are commonly used for their disinfectant properties. Chlorine is highly toxic. The toxins take their route through the lungs irritating the respiratory tract. High doses of chlorine gas can cause death
quite rapidly.

Effects of Various Cl2 Levels

Chlorine Level in PPM

Resulting Conditions on Humans


Permissible Exposure Level (OSHA, ACGIH).


Irritation of the mucous membranes, eyes, and respiratory tract.


Produces an easily detectable odor.


Causes immediate irritation of the throat.


Maximum exposure for 30 minute period.


Pain, tightness in the chest, and death results from prolonged exposure.

Source: Dangerous Properties of Industrial Materials (Sixth Edition) by N. Irving Sax


Take the guesswork out of gas detectionWhen it comes to lifesaving gas detectors, you can’t afford to guess. Gas detectors today offer features that provide clear information on the instrument status and sensors, tell the user how to react when an alarm goes off, and make it easy to interpret the readings. This white paper covers technology that makes gas detection easy for all users.

Talk to an Expert