Question

Phosgene gas is used in the dye industry

• A. True
• B. False

Answer 1

The correct option is A True

• Phosgene gas has a hay-like odor and is colorless and non-flammable.
• Although it is a man-made compound, minimal amounts are naturally created when chlorinated substances degrade.
• In industry, Phosgene gas is used to make aromatic di-isocyanates like toluene diisocyanate (TDI) & Methylene diphenyl diisocyanate (MDI), that are precursors for polyurethanes and certain polycarbonates.
• Its chemical name is Carbonyl chloride.
• Its chemical formula is $COC{l}_2$

Hence Phosgene gas used in the dye industry is the correct statement.