Stannous Chloride Toxicity
There are 2 types of tin chloride:
1-SnCl2
2-SnCl4
According to Robin Hopper's "The Ceramic Spectrum" the first type(stannous chloride) is the one used in pottery making.
It is a poison by ingestion, intraperitoneal, intravenous and subcutaneous routes.
Experimental reproductive effects.
Human mutagen data.
No evidence of carcinogenic potential.
When heated to decomposition it emits toxic fumes of CL-Chlorine, because of its intensely irritating properties, is rarely the cause of severe industrial exposure, as the worker is forced to leave the exposure area before he can be seriously affected.
A concentration of 3.5 ppm produces a detectable odor.
15 ppm produces immediate irritation of the throat.
Concentrations of 50 ppm are dangerous for even short exposures.
1000 ppm may be fatal even when exposure is brief.
References:
The Ceramic Spectrum, Hopper Robin.
Dangerous Properties of Industrial Materials, Sax & Lewis.
Chemical Hazards of the Woprkplace, Proctor & Hughes.
By Edouard Bastarache
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Article by Edouard Bastarache
Edouard Bastarache is a well known doctor that has written many articles on the subject of toxicity of ceramic materials and books on technical aspects of ceramics. He writes in both English and French. |
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