| Product Name: | Iodine |
| CAS NO: | 7553-56-2 |
| EINECS: | 231-442-4 |
| Molecular Formula: | I2 |
| Molecular Weight: | 253.809 |
| Melting Point: | 113 °C (lit.) |
| Boiling Point: | 184 °C (lit.) |
| Density: | 1.32 g/mL at 25 °C |
| Appearance: | purple black spherical |
| Storage: | Store in a cool, ventilated, dark warehouse. Keep away from heat and fire |
|
Identification |
specific optical rotation |
Qualified |
| IR | ||
|
Gives reaction of chlorides |
||
|
Solution S
|
Meets the requirements | Qualified |
| pH:3.0~4.5 | 4.1 | |
|
-121°~-128°
Specific optical rotation:-121°~-128° |
-121° | |
|
Loss on drying |
≤0.5% | 0.1% |
|
Residue on ignition: |
≤0.1% | 0.03% |
|
Related substances |
Each of impurities A,B,C,D ≤0.2% |
A: 0.02%, B: 0.01%,
C: 0.09%, D: 0.00% |
|
≤0.1%
Any other impurity≤0.1% |
0.01% | |
|
≤0.3%
Total impurities≤0.3% |
0.10% | |
|
Heavy metals |
≤0.002% | <0.002% |
| Microbial limit | Bacteria ≤1000 per gram | Qualified |
| Mold&yeast ≤100 per gram | ||
| Escherichia Coli : no | ||
|
Assay |
98.5%~101.0% | 100.1% |
|
Storage |
Should be protected from light |
protected from light |
Qingdao Cemo Technology Develop Co.,Ltd was founded in 2023, located in Qingdao city which is the capital of Shandong Province and has advantage of convenient transportation. Our company is a modern high-tech chemical enterprise with Research & Development, production and sales.