Fred Armisen is a screenwriter for television series.
Lead -LRB- II -RRB- nitrate is an inorganic compound with the chemical formula Pb -LRB- NO3 -RRB- 2 .. inorganic compound. inorganic compound. chemical formula. chemical formula. lead. It commonly occurs as a colourless crystal or white powder and , unlike most other lead -LRB- II -RRB- salts , is soluble in water .. crystal. crystal. salts. salt ( chemistry ). soluble. solubility. water. water ( molecule ). lead. lead. Known since the Middle Ages by the name plumb dulcis , the production of lead -LRB- II -RRB- nitrate from either metallic lead or lead oxide in nitric acid was small-scale , for direct use in making other lead compounds .. nitric acid. nitric acid. Middle Ages. Middle Ages. lead. lead. lead oxide. lead( II ) oxide. lead compounds. Inorganic compounds by element#Lead ( Plumbum ). In the 19th century lead -LRB- II -RRB- nitrate began to be produced commercially in Europe and the United States .. lead. lead. Historically , the main use was as a raw material in the production of pigments for lead paints , but such paints have been superseded by less toxic paints based on titanium dioxide .. lead. lead. titanium dioxide. titanium dioxide. toxic. toxicity. Other industrial uses included heat stabilization in nylon and polyesters , and in coatings of photothermographic paper .. stabilization. stabilizer ( chemistry ). nylon. nylon. photothermographic. thermography. Since around the year 2000 , lead -LRB- II -RRB- nitrate has begun to be used in gold cyanidation .. lead. lead. gold cyanidation. gold cyanidation. Lead -LRB- II -RRB- nitrate is toxic , an oxidizing agent , and is categorised as probably carcinogenic to humans by the International Agency for Research on Cancer .. toxic. toxicity. oxidizing agent. oxidizing agent. probably carcinogenic to humans. List of IARC Group 2A carcinogens. International Agency for Research on Cancer. International Agency for Research on Cancer. Consequently , it must be handled and stored with the appropriate safety precautions to prevent inhalation , ingestion and skin contact .. Due to its hazardous nature , the limited applications of lead -LRB- II -RRB- nitrate are under constant scrutiny .. lead. lead. hazardous nature. Hazard