
Supply high purity calcium iodide powder 10102-68-8
Introduction
English name Calcium iodide nickname anhydrous calcium iodide
Chemical formula Cal2
Molecular weight 293.89
CAS registration number 10102-68-8
EINECS accession number 233-276-8
Melting point 575
Boiling point 718
Water soluble, very soluble in water
Density 3.956
Colorless or yellowish white powder
Application mainly for medicine, is a substitute for potassium iodide
Calcium iodide, also known as anhydrous calcium iodide, has a molecular formula of Cal2 and a molecular weight of 293.89.
Colorless or yellowish white powder, deliquescent, exposed to air to release I2 and absorb carbon dioxide to turn yellow. The boiling point is 1100 ° C, very soluble in water, methanol, ethanol, propanol; insoluble in ether.
Function
1, Mainly used in medicine, is a substitute for potassium iodide, used to stop cough medicine;
2. The photographic industry is used as a photosensitive emulsifier;
3. It can also be used as a desiccant and analytical reagent for mineral water, fire extinguishing agent and hydrogen iodide.
Specification
Item
|
Specification
|
Specific rotation
|
+39.5 to +41.5°
|
State of solution(transmittance)
|
Clear 98.0% min.
|
Chloride[cl]
|
0.020% max.
|
Ammonium [NH4]
|
0.02% max.
|
Sulfate[SO4]
|
0.020% max
|
Iron[Fe]
|
10ppm max.
|
Heavy metals [Pb]
|
10ppm max
|
Arsenic[As2O3]
|
1ppm max
|
Other amino acids
|
Chromatographically not detectable
|
Loss on drying
|
0.20% max.
|
Residue on ignition[sulfated]
|
0.10% max.
|
Assay
|
99.0% min
|