White or greenish crystals, odorless.

Workplace Hazardous Material Information System (WHMIS-1988)

Classification : E

Transport of Dangerous Goods (TDG)


Safety Equipments


Permissible Exposure Values in Québec

Standard according to Regulation respecting the quality of the work environment

  • Time-weighted average exposure value (TWAEV): 1 mg/m³ (as Fe)
  • Short-term exposure value (STEV): none

First aid

In case of dust inhalation, move the person to fresh air and place the person in half-upright position. If breathing has stopped, administer artificial respiration. In case of breathing difficulties, give oxygen. Transfer the person immediately to the nearest medical emergency center.

Eye contact
Rinse the eyes with plenty of water for 20 minutes . Consult a physician.

Skin contact
Remove contaminated clothes promptly. Rinse the skin with plenty of water for 20 minutes or until the product is eliminated. Consult a physician.

In case of ingestion, rinse mouth. Give a glass of water to drink. Do not induce vomiting and consult a physician. Never give anything by mouth to an unconsicous or convulsing person.

Safety hazards

This product absorbs water from air.

Extinguishing media and special procedures
This product is not combustible. If involved in a fire, use carbon dioxide, alcohol-resistant foam, dry chemicals or water spray. Wear a self-contained breathing apparatus with a full face mask and protective clothing. Cool containers with water spray.

Health hazards

Occupational exposure occurs mainly through contact with the eyes, skin or inhalation of dusts and mists.

Effects of short-term exposure

Skin and eye contact
This product is irritant or corrosive to the skin, eyes and respiratory tract. The severity of symptoms may vary with exposure conditions (contact length, product concentration, etc...).

Preventive measures

Protective equipment

Respiratory tract
Above than or equal to 1mg/m³ (as Fe), wear a particulate filter respirator with a full face mask.

Wear rubber gloves and protective clothing.

Wear a faceshield if there is a risk of dust exposure.

Handling procedures

Handle away from incompatible materials.  Avoid inhalating dust or powder.

Storage requirements

Store in a tightly sealed container, in a cool, dry and well-ventilated area.

Leak or spill

Pick up solid and place in a tightly sealed container. Avoid generating dust clouds.