Iodine Crystals for Sale CAS 7553-56-2

CAS 7553-56-2
Molecular formula: I2

CAS 7553-56-2 Iodine crystals are composed of elemental iodine (I2). These spherical, solid crystals feature dark violet hues with a strong aroma. Their molecular formula is I2, with an approximate molar mass of 253.8 g/mol; their high sublimation point ensures minimal volatilization at room temperature.

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*For Research or Industrial Use Only, Not for Diagnostic or Therapeutic Use.


CAS 7553-56-2 Iodine Crystals Information


Iodine Crystals

Cas No.





Iodine (JP15/USP);Iode;Eranol;EINECS 231-442-4;Iodine [JAN];Diatomic iodine;LUGOL;MFCD00011355;Jood;Iodio;Jod;Iodine;IODUM

Molecular weight


Melting Point

113 °C (lit.)

Boiling Point:

184 °C (lit.)


1.32 g/mL at 25 °C


purple black spherical


Slightly soluble in water, insoluble in sulfuric acid. Soluble in organic solvents


Store in a cool, ventilated, dark warehouse. Keep away from heat and fire

Iodine Crystals Application:


Chemical Reagent: CAS 7553-56-2 Iodine crystals are widely utilized as a chemical reagent in various laboratory and industrial processes, from analytical chemistry, and titrations, to chemical testing. With its unique properties, it makes an invaluable component in any toolkit for analysis or chemical testing.

Water Treatment: CAS 7553-56-2 is used in water purification and treatment systems to disinfect and eliminate harmful microorganisms from drinking water sources, providing safe and potable supplies of drinking water.


Photography: Due to their light sensitivity, CAS 7553-56-2 iodine crystals have long been used in photography as they aid in developing photosensitive materials and chemicals used for the development of photographic images.

Medicine: CAS 7553-56-2 is essential in veterinary medicine to treat animals deficient in iodine and as an antiseptic for wound care in livestock.

Chemical Synthesis: Iodines serve as precursors in the chemical synthesis of various iodine-containing compounds, such as pharmaceuticals, dyes, and organic intermediates.

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