Arsenic and Compounds

ARSENIC AND COMPOUNDS 

Arsenic is a metalloid element with the symbol As and atomic number 33. It has three allotropic forms (yellow, black, and grey), with the grey form being the most common. Arsenic and its compounds have various uses in industry, agriculture, and medicine, but are also toxic and carcinogenic.

Some common compounds of arsenic are:

1.     Arsenic trioxide (As2O3): It is a white, odorless powder that is used in the production of pesticides, wood preservatives, and glass.

2.     Arsenic acid (H3AsO4): It is a white crystalline solid that is used in the production of semiconductors, dyes, and pigments.

3.     Sodium arsenite (NaAsO2): It is a white crystalline powder that is used as a wood preservative, herbicide, and insecticide.

4.     Arsenic trichloride (AsCl3): It is a colorless, oily liquid that is used in the production of insecticides and herbicides.

5.     Lead arsenate (Pb3(AsO4)2): It is a white crystalline powder that is used as an insecticide and herbicide.

Due to their toxic nature, the use and disposal of arsenic and its compounds are strictly regulated by various international bodies.