Iodine
- Số CAS
- 7553-56-2
- Khối lượng phân tử
- 253.81
- Công thức phân tử / ký hiệu hóa học
- I2
Mô tả
Purple black solid, sex brittle, easy sublimation, poisonous. Soluble in water, soluble in ethanol, ethyl ether, carbon disulfide, benzene, carbon tetrachloride, chloroform and other organic solvents, and soluble in hydroiodic acid and potassium iodide solution and a dark brown.
Density: 4.94g/ml
Melting point: 113.5 ℃
Boiling point184.35 ℃
ỨNG DỤNG
Used for high purity analysis; Calibration
sodium thiosulfate standard solution, used to determine iodine value of grease,
magnesium and acetic acid salt color reaction, manufacturing iodine methane and
iodide, etc. Starch colorimetric assay. Determination of serum nonprotein nitrogen,
amylase. Preparation of solid purple and toluidine blue iodine solution.
Catalyst. Disinfectant.
Keywords:Surface treatment chemicals
Phiếu kiểm nghiệm
|
Product name |
iodine |
CAS: 7553-56-2 |
|
Apearance |
Purple black solid |
|
|
chemical formula |
I2 |
|
|
official rank in feudal times |
analytically pure (AR) |
chemically pure(CP) |
|
content,% ≥9 |
9.8 |
99.5 |
|
evaporities,%≤ |
0.005 |
0.02 |
|
Chlorine and bromine (Cl meter), % or less |
0.003 |
0.01 |