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GHS Hazard Classification of Bleach
Posted Date:2021/12/24
Bleaching water is a mixture of sodium hypochlorite and sodium chloride produced by the reaction of chlorine and sodium hydroxide solution. Among them, sodium hypochlorite is an effective ingredient. Sodium hypochlorite can react with water and carbon dioxide to generate hypochlorous acid (with strong oxidizing properties), reduce colored substances, and achieve the purpose of bleaching.
The GHS hazard classification of sodium hypochlorite (bleach) in the "China Dangerous Goods Catalog 2015" is:
Sodium hypochlorite, containing chlorine 5%>, CAS: 7681-52-9
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Hazard category
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Hazard statement code
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Skin corrosion/irritation, category 1B
Serious eye damage/eye irritation, category 1
Hazard to the aquatic environment-acute hazard, category 1
Hazardous to the aquatic environment-long-term hazard, category 1
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H314: Causes severe skin burns and eye damage.
H318: Causes serious eye damage.
H400: Very toxic to aquatic organisms.
H410: Very toxic to aquatic organisms and has long lasting effects.
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The GHS hazard classification of chlorine gas is:
Chlorine, CAS: 7782-50-5
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Hazard category
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Hazard statement code
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Acute toxicity-inhalation, category 2
Skin corrosion/irritation, category 2
Serious eye damage/eye irritation, category 2
Specific target organ toxicity-single exposure, category 3 (respiratory tract irritation)
Hazard to the aquatic environment-acute hazard, category 1
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H330: Fatal if inhaled.
H315: Causes skin irritation.
H319: Causes serious eye irritation.
H335: May cause respiratory irritation.
H400: Very toxic to aquatic organisms.
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Bleach can irritate mucous membranes, skin and respiratory tract and must be used with care. If you accidentally touch your eyes, rinse with plenty of water for 15 minutes. If you touch your skin, rinse immediately with water until you feel clean.
Disinfect at least once a day. The method of disinfection is to wipe, do not use spray, and keep ventilation. When cleaning electrical switches and computer equipment, be careful to avoid electric shock. In addition to diluting with water, bleach must not be mixed with soap, medicine, perfume, etc., otherwise it may produce strong oxidation and emit toxic substances. Bottles of bleach should be clearly marked. Do not use soda bottles or any beverage bottles to fill bleach to prevent children from accidentally drinking it.