Chlorine is a greenish yellow gas or amber liquid with an irritating odor. Chlorine is a chemical element with the symbol cl and atomic number 17. Remove all flammable and combustible materials from the vicinity, especially oil and grease. Preventing chlorine gas accidents occupational health. Chlorine, chlorine liquefied gas, chlorine gas, chlorine liquid or gas component percent % cas number chlorine 99. Exposure to the gas usually occurs in industrial settings, but chemical spills, landfills and toxic. If yours is one of them, you should know that this deadly gas causes injuries to workers every year. Dry chlorine gas wont bleach, but in water it forms hypochlorite, responsible for the bleaching action, and also responsible for its disinfectant action. First used, in the early 1800, for industrial appl\. Safety data sheet 1 identification of the substancemixture. Consideration may be given to removal of the product from the stomach, taking care to avoid perforation of esophagus or stomach. In 1630, belgian jean baptiste van helmont wrote of a salt gas that we know contained chlorine, but it wasnt until 1774 that swedish apothecary, carl wilhelm scheele, generated, collected, and studied chlorine.
Gas grade purity product cylinder content equipment model page specifications code size us metric recommendations no. Chlorine gas is poisonous, and exposure can lead to chronic and even fatal illness. A greenishyellow gas with a pungent odor similar to chlorine. Call a poison center or doctorphysician if you feel unwell. Chlorine dioxide page 2 of 9 pureline msds section 3 hazard identification emergency overview. Hydration of chlorine gas cl 2 leads to formation of hcl and hocl hypochlorous acid. For portable detectors, think about ease of use, training, battery life, and service life. Understanding the toxic effect of chlorine gas is important for preventive measures and for recognition when a person is affected. Occupational exposures constitute the highest risk for serious toxicity from highconcentration chlorine see the image below. Chlorine gas poisoning is an illness resulting from the effects of exposure to chlorine beyond the threshold limit value. M ove away from the area where the chlorine gas was released and go to higher ground. Monitor the surrounding area for chlorine gas levels and oxygen.
Chlorine is an oxidizer, which can act to initiate and sustain the combustion of flammable materials. Precautionary phrases store locked upkeep out of reach of children. At ppm, there is mild mucus membrane irritation that can usually be tolerated for about an hour. Chlorine is added to pools in a powder or liquid form not as a gas and by itself, it typically cant form gas clouds unless theres an incredible amount of it, calello said. Chlorine can also react with carbon monoxide and other combustion products to make highly toxic and corrosive gases.
Chlorine is used in a variety of applications, including as a bleaching agent, in chemical synthesis, plasma etching in semiconductors, and water purification. Inhalation of this gas mixture may be severely irritating, due to the presence of chlorine. Chlorine gas injury is seen after industrial and occupational exposure, accidental spills and deliberate poisoning. Gasco chlorine calibration detection gas also known as cal gas, is used for the calibration and maintenance of gas detectors and sensors. It is widely used as bleach in the manufacture of paper and cloth and in manufacturing solvents, pesticides, synthetic rubber, and refrigerants. Section 1 chemical productcompany identification sodium. In the event of fire, wear full protective clothing. Chlorine gas is greenishyellow and smells like bleach. Precautionary phrases store locked upkeep out of reach. Material safety data sheet ncp chlorchem south africa. Chlorine is an element used in industry and found in some household products. In 1630, belgian jean baptiste van helmont wrote of a salt gas that we know contained chlorine, but it wasnt until 1774 that swedish apothecary, carl wilhelm scheele, generated, collected, and studied chlorine as an end in itself.
Chlorine is the most frequently used disinfectant used in water treatment. Acute chlorine toxicity causes damage to the respiratory tract. Chlorine pentafluoride clf 5 is made on a large scale by direct fluorination of chlorine with excess fluorine gas at 350 c and 250 atm, and on a small scale by reacting metal chlorides with fluorine gas at 100300 c. Chlorine is used for water purification in a variety of circumstances the production of drinking water by local authorities, treatment of swimming pools and waste water treatment read more. All of our gasco calibration gas cylinders ship with a certificate of analysis coa. Jun 16, 2018 chlorine is added to pools in a powder or liquid form not as a gas and by itself, it typically cant form gas clouds unless theres an incredible amount of it, calello said. Jul 01, 2010 humans can detect low levels of chlorine gas. May, 2019 chlorine gas is a pulmonary irritant with intermediate water solubility that causes acute damage in the upper and lower respiratory tract. Chlorine calibration gas, cl2 calibration gas, chlorine test gas. High concentration of chlorine gas may cause an oxygendeficit atmosphere.
The reaction producing it is also quite hazardous because youre heating chlorine gas up to a few hundred degrees. Fo200 chemical family halogens, gas product use industrial restrictions on use none known. The signs of acute chlorine gas poisoning are primarily respiratory, and. A few friends and i were going crazy with these a while back, i threw one into a hallway not realizing the only way out was back into the smokegas. Apply water from as far a distance as possible, in flooding quantities as a spray or fog. Material safety data sheet sodium hypochlorite page 6 of 9 naocl msds 020r6 20121018 hazardous decomposition products chlorine gas is released by contact. A few friends and i were going crazy with these a while back, i threw one into a hallway not realizing the only way out was back into the smoke gas.
Read and follow all safety data sheets sdss before use. Chlorine gas is a respiratory irritant, and it can be detected by a bleachlike odor at concentrations of less than 1 ppm. More recently, chlorine gas has again been used as a weapon of war. Gas and solutions are severe respiratory irritants. Dixon and drew 1968 reported the case of a worker at a factory producing chlorine who was exposed to chlorine gas that leaked from a faulty valve for. Mixing of chlorine bleach sodium hypochlorite with ammonia or acidic cleaning. Sodium hypochlorite naocl product material safety data. Handling and storage conditions for safe storage, including any. Section 2 hazards identification ghs classification oxidizing gas, category 1 gas under pressure, liquefied gas acute toxicity, category 2. Safety data sheet 1 identification of the substance. How did a chlorine gas cloud form over a public pool. An ounce of 1% sodium thiosulfate or milk of magnesia is.
Exposure controlspersonal protection chlorine acgih tlv united states, 32016. At 515 ppm, there is moderate mucus membrane irritation. Chlorine is used in a variety of applications, including as a bleaching agent, in. I wouldnt even want to do it in my ventilated fume hood because the chlorine would corrode everything. It discusses the risks associated with chlorine, how to avoid potential spills and over exposure, and what personal protective equipment ppe is recommended. Eyes exposure to chlorine gas may cause severe eye damage.
As this product is a gas, refer to the inhalation section. What is chlorine gas and how did it become a weapon. It is highly corrosive and reacts violently with petroleum products such as gasoline, diesel, oil, solvents, and turpentine. I swear i felt like passing out and my vision got blurry for a few seconds. Safety data sheet according to safe work australia printing date 17. You couldnt do this in front of a classroom of students.
Chlorine has also been used as a chemical warfare choking agent. Air liquide manufactures chlorine as a pure gas or as a scott brand gas mixture with a balance of nitrogen. The lowest level at which humans can smell chlorine and notice its. In humans, the threshold concentration for detection of the odor of chlorine gas ranges from 0. Chlorine is a clear, pungentsmelling, greenyellow gas or amber. Direct contact with the liquefied gas can freeze the eye.
Chlorine gas represents a hazardous material threat from industrial accidents and as a terrorist weapon. M c h l o r i n e h a n d b o o k occidental petroleum. Acute chlorine toxicity causes damage to the respiratory tract and usually occurs with shortterm, highlevel exposures such as spills. Chlorine calibration gas, cl2 calibration gas, chlorine. Postulated mechanisms for airways injury due to chlorine inhalation. The secondlightest of the halogens, it appears between fluorine and bromine in the periodic table and its properties. Dixon and drew 1968 reported the case of a worker at a factory producing chlorine who was exposed to chlorine gas that leaked from a faulty valve for about 30 minutes and died 33. In the event of fire, wear full protective clothing and nioshapproved selfcontained breathing apparatus with full face piece operated in the pressure demand or other positive pressure mode. Jan 25, 2017 chlorine gas injury is seen after industrial and occupational exposure, accidental spills and deliberate poisoning. Chlorine is sometimes in the form of a poisonous gas. May cause pulmonary edema, which may be delayed in onset. Accidental release measures continued chlorine leaks can be detected by means of an atomizer or squeeze bottle filled with aqueous ammonia. Gasco calibration gas meets or exceeds the requirements of the original gas detection equipment manufactures specifications. The signs of acute chlorine gas poisoning are primarily respiratory, and include difficulty breathing and cough.