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The symbol within the pictogram shows a container dripping liquid onto a piece of metal and another container dripping liquid onto a hand. This symbol indicates that hazardous products with this pictogram can
Hazardous products with this pictogram can be safely worked with if proper storage and handling practices are followed.
This pictogram is used by one hazard class in the physical hazards group and two hazard classes in the health hazards group.
The hazard classes and categories that are assigned this pictogram are:
*For this hazard class, Category 2 is assigned the exclamation mark.
**For this hazard class, Category 2 (2A) is assigned the exclamation mark, and Category 2B is not assigned a pictogram.
The WHMIS 2015 signal words and hazard statements for the hazard classes and categories assigned this pictogram are:
|Hazard Class and Category||Signal Word||Hazard Statement|
|Corrosive to Metals – Category 1||Warning||May be corrosive to metals|
|Skin Corrosion – Category 1 (1A, 1B, 1C)||Danger||Causes severe skin burns and eye damage|
|Serious Eye Damage – Category 1||Danger||Causes serious eye damage|
Products that are corrosive to metals can cause their containers to become weak, eventually leading to leaking or collapse, spilling the hazardous contents into the workplace. These products can also damage metal equipment and building components which may lead to structural collapse and injuries.
Products that are corrosive to the skin and/or eyes may also be corrosive to the respiratory tract if inhaled. Effects could include irritation and burns to the nose, throat and lungs. In some cases, pulmonary edema, a build-up of fluid in the lungs which can be fatal, could occur. Swallowing a corrosive can cause burns to the mouth, throat and stomach.
Some corrosive products, both liquid and solid, generate large amounts of heat when they are mixed with water. For example, a glass of water thrown into a bucket of concentrated sulfuric acid is converted instantly to steam which will eject the entire contents of the bucket into the air.
In addition to the specific hazards identified by the corrosion pictogram, it is important to remember that the product may have other hazards, for example:
Corrosives are often incompatible with many other chemicals and if the come into contact with each other toxic or explosive reaction products may be formed. The Safety Data Sheet (SDS) for a corrosive product will provide information on which metals or other materials (e.g., plastics or wood) the corrosive product will attack (check Section 10: Stability and Reactivity).