Note: Ingredients listed on restricted chemical lists
General Information
Revision date
2010-09-11
Product name
Magnesium Oxide
Chemical name
and Contact Information
CAS No.
1309-48-4
Emergency telephone
800-424-9300, 703-527-3887
Icons in SDS
Company Information
company name
LECO Corporation
Section 2
SECTION 2: Hazards identification
EMERGENCY OVERVIEW No unusual spill or fire hazard; moderate health risk by inhalation or ingestion. Dry white powder to granular solid and or pellets with no odor.
Potential health effects
EYES: Dust may irritate eyes, causing redness, tearing, or conjunctivitis. SKIN: Dust may irritate skin, causing drying, chapping and dermatitis. INHALATION: Dust may irritate nasal passages and respiratory tract. Inhalation of freshly generated magnesium oxide fume may result in metal fume fever (symptoms include fever, chills, perspiration, cough, nasal irritation, chest pain, nausea, headaches, vomiting and muscular weakness; these may be delayed 1 - 3 hours). INGESTION: Ingestion generally causes purging of the bowels; however, swallowing large amounts may lead to bowel obstruction.
Medical Conditions Generally Aggravated by Exposure
As with exposure to any environment without adequate personal protection, inhalation of magnesium oxide dust or fume may aggravate any pre-existing respiratory diseases. CHRONIC OVEREXPOSURE: Not available. ACUTE OVEREXPOSURE: Prolonged/frequent skin contact may lead to dermatitis. CARCINOGENICITY: None. Pg. 2
