Is Boric Acid Safe For Humans
For adults, should avoid long time, large area in contact with the boric acid sodium borate are alkaline, and acid role in intestinal tract, can be decomposed into borate (e.g., NaBO2), boric acid and peroxide (e.g., hydrogen peroxide), as for borate toxicity to human body is not high, but in a lot of exposure, can the human medulla oblongata area postrema cause stimulation, caused by the spontaneous vomiting, in addition, borate in a single large or repeated exposure, can be produced on the central nervous system and kidney toxicity, and may cause a lack of vitamin B2 (riboflavin), for the baby, The boric acid solution is used only for external application and in small doses. The death rate of oral boric acid in children is usually 5 ~ 6g.
Symptoms of boric acid poisoning: headache, dizziness, nausea, vomiting, abdominal cramps, diarrhea, vomit and feces often with blood, or bluish green; Immediately appear a large red skin rash, after 1 ~ 2 days desquamate, occasionally produce exfoliative dermatitis, mucosa also can have hyperemia and exfoliation phenomenon; Rash can affect pharynx ministry and tympanic membrane, some patients of liver steatosis, jaundice and kidney damage, often feel unusually severe sick children, visual impairment, ataxia, tremors, insanity, convulsions, delirium, opisthotonos, bruising and coma, body temperature, blood pressure to drop, shock, in case to 24 hours to days died of uremia, etc.
- August 9, 2018Boric acid used in the quality borosilicate glassmaking and optical glassmaking, glaze for metal surface in porcelain enamel industry and seves as flus in alloy welding.view