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- 21. Lanthanum Fluoride
- (Lanthanum Fluoride)
- ... teeth. Lanthanum carbonate, at doses up to 2000 mg/kg/day, did not affect fertility or mating performance of male or female rats. Rare Earth Fluorides: An animal study covered fluorides of rare-earth ...
- Created on 27 August 2010
- 22. Quartz
- (Quartz)
- ... sources. Because amorphous silica is less fibrogenic than crystalline silica, silicosis has rarely been observed after exposure to pure amorphous silica. Acute Toxicity: No data Carcinogenicity: NTP: ...
- Created on 27 August 2010
- 23. Praseodymium Oxide Pr6O11
- (Praseodymium Oxide Pr6O11)
- ... a rare earth metal. These metals are moderately to highly toxic. The symptoms of toxicity of the rare earth elements include writhing, ataxia, labored respiration, walking on the toes with arched back, ...
- Created on 27 August 2010
- 24. Niobium Nitride
- (Niobium Nitride)
- ... investigated and recorded. Niobium is considered a rare earth metal. These metals are moderately to highly toxic. The symptoms of toxicity of rare earth elements include writhing, ataxia, labored respiration, ...
- Created on 26 August 2010
- 25. Lanthanum Chloride
- (Lanthanum Chloride)
- ... or mating performance of male or female rats. Rare Earth Compounds: In animal studies exposure to rare earths via inhalation or intratracheally has been proven to cause acute pneumonitis with neutrophil ...
- Created on 26 August 2010
- 26. Iridium Chloride
- (Iridium Chloride)
- ... of Exposure: Inhalation, skin and eyes. Symptoms of Exposure: May cause irritation. Acute and Chronic Effects: Iridium Compounds: In rare cases, occupational exposure to iridium salts may cause ...
- Created on 24 August 2010
- 27. Iridium Chloride Hydrate
- (Iridium Chloride Hydrate)
- ... Effects: Iridium Compounds: In rare cases, occupational exposure to iridium salts may cause sensitization. Chlorides: Chloride toxicity varies widely; sodium chloride has very low toxicity while ...
- Created on 24 August 2010
- 28. Holmium Fluoride
- (Holmium Fluoride)
- ... irritation. Acute and Chronic Effects: Holmium Compounds: Holmium, as with other rare earths, appears to have a low degree of acute toxicity. Rare Earth Fluorides: An animal study covered fluorides ...
- Created on 23 August 2010
- 29. Holmium Oxide
- (Holmium Oxide)
- ... Routes of Exposure: Inhalation, skin and eyes. Symptoms of Exposure: May cause irritation. Acute and Chronic Effects: Holmium Compounds: Holmium, as with other rare earths, appears to have a low ...
- Created on 23 August 2010
- 30. Holmium Chloride
- (Holmium Chloride)
- ... as with other rare earths, appears to have a low degree of acute toxicity. Rare Earth Chlorides: The rare earth chlorides are not irritants to and are not absorbed by intact skin, and they are poorly ...
- Created on 23 August 2010
- 31. Gadolinium Oxide
- (Gadolinium Oxide)
- ... irritating to eyes. No human studies could be located. Rare Earth Compounds: In animal studies exposure to rare earths via inhalation or intratracheally has been proven to cause acute pneumonitis with ...
- Created on 18 August 2010
- 32. Gadolinium Fluoride
- (Gadolinium Fluoride)
- ... irritating to eyes. No human studies could be located. Rare Earth Fluorides: An animal study covered fluorides of rare-earth metals (REM) assigned to yttrium group--yttrium, terbium, ytterbium, and lutetium. ...
- Created on 17 August 2010
- 33. Europium Oxide
- (Europium Oxide)
- ... to be 200 mg/kg-day. Rare Earth Compounds: In animal studies exposure to rare earths via inhalation or intratracheally has been proven to cause acute pneumonitis with neutrophil infiltration in the lung. ...
- Created on 17 August 2010
- 34. Europium Fluoride
- (Europium Fluoride)
- ... to be 200 mg/kg-day. Rare Earth Fluorides: An animal study covered fluorides of rare-earth metals (REM) assigned to yttrium group--yttrium, terbium, ytterbium, and lutetium. Fluorides of REM have low ...
- Created on 13 August 2010
- 35. Europium Chloride
- (Europium Chloride)
- ... was minimally irritating to eyes. In a subchronic toxicity study with rats via oral route, the NOAEL for europium chloride was determined to be 200 mg/kg-day. Rare Earth Chlorides: The rare earth chlorides ...
- Created on 13 August 2010
- 36. Erbium Oxide
- (Erbium Oxide)
- ... are of low to moderate toxicity, although their toxicity has not been investigated in detail. Rare Earth Oxides: Rats were able to tolerate 1,000 mg/kg of the rare earth oxides given orally or intraperitoneally. ...
- Created on 12 August 2010
- 37. Dysprosium Oxide
- (Dysprosium Oxide)
- ... mice, it is estimated that the ingestion of 500g or more could be fatal to a human. Rare Earth Oxides: Rats were able to tolerate 1,000 mg/kg of the rare earth oxides given orally or intraperitoneally. ...
- Created on 12 August 2010
- 38. Cerium Boride
- (Cerium Boride)
- ... irritation, and were minimally irritating to eyes. Cerium chloride was found to be more acutely toxic (LD50 oral - rat - 1291 Ce/kg), and a severe skin irritant. Rare Earth Compounds: In animal studies ...
- Created on 03 August 2010
- 39. Antimony Iodide
- (Antimony Iodide)
- ... weight, and diarrhea. Acute and Chronic Effects: Antimony Compounds: Fatalities from antimony poisoning are rare. Acute systemic exposure to antimony compounds may cause loss of hair, dry scaly skin, ...
- Created on 03 August 2010
- 40. Cerium Carbonate
- (Cerium Carbonate)
- ... toxic (LD50 oral - rat - 1291 Ce/kg), and a severe skin irritant. Rare Earth Compounds: In animal studies exposure to rare earths via inhalation or intratracheally has been proven to cause acute pneumonitis ...
- Created on 27 July 2010