Ammonium oxalate monohydrate

Hazard statements

CAS#: 6009-70-7 Chemical Name: Ammonium oxalate monohydrate %: > 99 EINECS#: unlisted 21/22 Section 3 - Hazards Identification EMERGENCY OVERVIEW Warning! Harmful if swallowed. May cause kidney damage. Causes eye, skin, and respiratory tract irritation. Target Organs: Kidneys, heart, eyes, skin, brain, nerves, mucous membranes. Potential Health Effects Eye: Causes eye irritation. Oxalate is an irritant and may cause dermatitis. Skin lesions begin with epithelial cracking and the formation of Skin: slow-healing ulcers. The fingers may appear cyanotic. Ulcerations of the mouth, vomiting of blood, and rapid appearance of shock, convulsions, twitching, tetany, and cardiovascular collapse may occur following ingestion of oxalic acid or its soluble salts. Systemic effects may be Ingestion: due to formation of calcium oxalate which is insoluble at physiological pH and can be deposited in the brain and kidney tubules. Resultant hypocalcemia might disturb the function of the heart and nerves. Mean lethal dose for oxalates in adults is estimated at 10 - 30 grams (143 - 428 mg/kg). Inhalation of oxalic acid dust or vapor produces irritation of the respiratory tract, protein in the urine, nosebleed, Inhalation: ulceration of the mucous membranes, headache, nervousness, cough, vomiting, emaciation, back pain (due to kidney injury), and weakness. Inhalation of oxalic acid dust or mist over a long period of time might result in weight loss and respiratory tract inflammation. Rats administered oxalic acid at 2.5 and 5% in the diet for 70 days developed depressed thyroid Chronic: function and weight loss. A study of railroad car cleaners in Norway who were heavily exposed to oxalic acid solutions and vapors revealed a 53% prevalence of urolithiasis (the formation of urinary stones), compared to a rate of 12% among unexposed workers from the same company.

Hazard pictograms

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