• Does sulfur dioxide meet any of the Canadian WHMIS hazard criteria?
• Is it classified by OSHA (U.S. Occupational Health and Safety Administration)?
• Does sulfur dioxide meet the criteria for the European Union (EU) Classification and Labelling Information system?
• What risk and safety phrases are used by the EU Classification and Labelling Information System?

Does sulfur dioxide meet any of the Canadian WHMIS hazard criteria?

Sulfur dioxide meets the Canadian WHMIS criteria for class(es):

A - Compressed gas

D1A - Poisonous and infectious material - Immediate and serious effects - Very toxic

D2A - Poisonous and infectious material - Other toxic effects - Very toxic

Is it classified by OSHA (U.S. Occupational Health and Safety Administration)?

Meets criteria for hazardous material, as defined by 29 CFR 1910.1200.

Does sulfur dioxide meet the criteria for the European Union (EU) Classification and Labelling Information system?

It meets the EU criteria for class(es):

Toxic; Irritant. [T;Xi]

What risk and safety phrases are used by the EU Classification and Labelling Information System?

EU RISK PHRASES :

Toxic by inhalation. Irritating to eyes and respiratory system. [R:23-36/37]

EU SAFETY PHRASES :

Keep locked up and out of the reach of children.* Keep container in a well ventilated place. In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. Wear suitable protective clothing, gloves and eye/face protection. In case of accident or if you feel unwell, seek medical advice immediately (show label where possible). [S:(1/2-)*9-26-36/37/39-45]

*This safety phrase can be omitted from the label when the substance or preparation is sold for industrial use only.

Safety phrases relate to the highest concentration division indicated, but may also be applicable to lower concentrations.

EU COMMENTS :

CONCENTRATION GREATER THAN OR EQUAL TO 20%: Toxic; Toxic by inhalation.

Toxic in contact with skin. [T;R:23-24]

CONCENTRATION GREATER THAN OR EQUAL TO 5% AND LESS THAN 20%: Harmful;

Harmful by inhalation. Causes burns. [Xn;R:20-34]

CONCENTRATION GREATER THAN OR EQUAL TO 0.5% AND LESS THAN 5%: Irritant;

Irritating to eyes, respiratory system and skin. [Xi;R:36/37/38]

The concentration limits for gaseous preparations are expressed as volume per volume percentage.

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Document last updated on February 19, 1999

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