CAS No: 10039-54-0
UNNO: 2865
Molecular formula: (NH2 OH2) H 2SO4
Molecular weight: 164.15
◆ Applications: It is an important fine chemical intermediate for the synthesis of pharmaceutical, pesticide and dyestuff. It can also be used as a reducing agent, a developing agent and a rubber vulcanizing agent, and is also an important raw material for the manufacturing of caprolactam.
◆ Physical and chemical properties: Lt is white crystal powder with melting point of 170℃, (start decomposition), density of 1.88g/cm3, and solubility of 63.8g/100g in water, 0.1g/100g in methanol and 0.2g/100g in 95% ethanol at 25℃.
◆ Packing and handling: Packed in LDPE flat film bags with pallets. Prevent from shipping with reducing agents and food chemicals. The delivery vehicles shall be equipped to handle emergent leakage. Prevent from strong sunlight, rain and heat during transportation.
◆ Packages： 25kg/bag; 1 ton/pallet
◆ Specifications：
|
Items |
Grade 1 |
Grade 2 |
Grade 3 |
|
Appearance |
White crystal powder |
||
|
Assay,% ≥ |
99.5 |
99.0 |
97.0 |
|
Aqueous solution reaction |
pass |
pass |
pass |
|
Clarity test |
pass |
pass |
pass |
|
Ignition residue(asSO42-),% ≤ |
0.02 |
0.02 |
0.05 |
|
Chloride（CL-）,% ≤ |
0.0002 |
0.0005 |
0.002 |
|
Fe3+, % ≤ |
0.0003 |
0.0005 |
0.002 |
|
Heavy metal（asPb2+）, % ≤ |
0.0001 |
0.0003 |
0.001 |