Ammonium thiocyanate
- Số CAS
- 1762-95-4
- Khối lượng phân tử
- 76.12
- Công thức phân tử / ký hiệu hóa học
- NH4SCN
Mô tả
Apearances: Colorless monoclinic tabular or columnar crystals, and shiny. Relative density of 1.306, a melting point of about 149 ° C, turning in water, ethanol, methanol, pyridine and acetone, insoluble in chloroform.
ỨNG DỤNG
Photography, dyes, pesticides, and other industries is mainly used for the separation of antibiotics, the dyeing the diffusion agent, polymerization catalysts for organic synthesis, chemical analysis, try, also coated with zinc plating additives.
Keywords:Surface treatment chemicals
Phiếu kiểm nghiệm
|
|
(AR) |
(CP) |
|
(NH4SCN) ≥ |
98.5 |
98.0 |
|
Sulfide (S) ≤ |
0.001 |
0.002 |
|
(Cu) ≤ |
0.0005 |
0.001 |
|
Clarity Test |
Qualified |
Qualified |
|
Sulfate (SO4) ≤ |
0.005 |
0.02 |
|
Water insolubles ≤ |
0.005 |
0.01 |
|
(Fe) ≤ |
0.0001 |
0.0003 |
|
Residue on ignition (as sulfate) ≤ |
0.01 |
0.02 |
|
To restore iodine substance (I) ≤ |
0.05 |
0.1 |
|
pH(50g/L Solution，25℃) |
4.5-6.0 |