Name:
Iodine
Symbol:
I
Atomic Number:
53
Atomic Mass:
126.9004
Atomic Volume:
25.72 cc/mol
Discovered By:
Courtois
Discovery Date:
1811
Origin of Name:
Iodine - (Greek) iodes (violet)
Toxicity:
Toxic, produces dermatitis; vapor (see
chlorine
) attacks mucous membranes producing pulmonary edema.
Summary:
Not found free in nature, but as various iodides. Iodine volatilizes when moderately heated to a purple gas. Iodine is necessary for proper thyroid function. Lack of it causes goiter. A small amount of potassium iodide (KI) is added to table salt to deliver dietary iodine. Tincture of iodine used as an antiseptic is a solution of iodine and KI in alcohol.
back to school supplies @ Office Depot
Search for Low Cost New and Used College Textbooks: Buy or Sell!
© Copyright 1998 David August