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Iodine (I2)-Granules

Iodine (I2)-Granules

CAS: 7553-56-2
Molecular Formula: I2
Purity: 99.99%-99.999 %
Products Code: 5300GN
Specification Model: 1 mm - 2 mm/1 mm - 3 mm
EINECS No.: 231-442-4
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Iodine (I2)-Granules introduce:


Iodine is a chemical element with the symbol I and atomic number 53. The heaviest of the stable halogens, it exists as a lustrous, purple-black non-metallic solid at standard conditions that melts to form

Phase at STP:solid

Appearance:lustrous metallic gray, violet as a gas

Melting point (I2):386.85 K (113.7 °C, 236.66 °F)

Boiling point (I2):457.4 K (184.3 °C, 363.7 °F)

Density (near r.t.): 4.933 g/cm3

Triple point:386.65 K, 12.1 kPa

Critical point:819 K, 11.7 MPa

Heat of fusion (I2):15.52 kJ/mol

Heat of vaporisation (I2):41.57 kJ/mol

Molar heat capacity (I2):54.44 J/(mol·K)


Iodine and its compounds are primarily used in nutrition. Due to its high atomic number and ease of attachment to organic compounds, it has also found favour as a non-toxic radiocontrast material. Because of the specificity of its uptake by the human body, radioactive isotopes of iodine can also be used to treat thyroid cancer. Iodine is also used as a catalyst in the industrial production of acetic acid and some polymers.
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