... , pharmaceutical,metallurgy,agriculture and many other fields The Iodine(I2) is greyish black or bluish black crystal ... used as catalyst in chemical and metallurgical industry. Agriculturally, iodine is the material for pesticide, 4-iodinephenoxy acetic, ... to synthesize organic dyestuffs. In lighting industry, tungsten-iodine lamps,colour light lamps.Product Standard: specificationINDUSTRIALQ/02MYZ004- ...