Ammonium oxalate monohydrate

2.1 Classification of the substance or mixture

Emergency Overview : POISON! DANGER! MAY BE FATAL IF SWALLOWED OR INHALED. MAY CAUSE BURNS TO RESPIRATORY TRACT AND SEVERE IRRITATION TO SKIN AND EYES. MAY AFFECT KIDNEYS. Health Rating 3 - Severe (Poison) Flammability Rating 0 - None Reactivity Rating 1 - Slight Contact Rating 3 - Severe (Corrosive)

Potential health effects

Inhalation Inhalation of dust is corrosive to mucous membranes. Oxalates can be absorbed through the lungs. Symptoms of poisoning include nervousness, cramps, central nervous system depression. Ingestion : Mean lethal dose for oxalates in adults is estimated at 15-30 grams with death within a few hours or even minutes. Corrosive action on the mucosa and severe gastrointestitis can occur with pain, vomiting, etc. Sharp reduction of serum calcium can cause dysfunction of the brain. Calcium oxalate may be deposited in the kidneys. Skin Contact Skin contact may produce severe skin irritation with burning, redness. Eye Contact: : May cause severe irritation and pain. May cause burns. Chronic Exposure Circulatory failure or nervous system irregularities may follow prolonged calcium metabolism disturbances due to oxidation. Aggravation of Pre-existing Persons with pre-existing skin disorders or eye problems, or Conditions impaired liver, kidney or respiratory function may be more susceptible to the effects of the substance.