Specifications:
CAS NO.: |
141-82-2 |
||||
Molecular formula: |
CH2(COOH)2 |
||||
Molecular weight: |
104.06 |
||||
Appearance: |
White crystal |
||||
|
E-grade
|
CP |
Pharma Grade |
||
A |
B |
C |
|||
Assay: |
≥99.7% |
≥99.5% |
≥99.5% |
≥99.5% |
≥99.0% |
M.P.: |
134.5-137.0℃ |
134.5-137.0℃ |
134.5-137.0℃ |
134.0-137.0℃ |
132.0-137.0℃ |
Water Content: |
≤0.3% |
≤0.3% |
≤0.3% |
≤0.5% |
≤0.5% |
Cl: |
≤0.02% |
≤0.02% |
≤0.02% |
≤0.03% |
≤0.05% |
SO4: |
≤0.05% |
≤0.10% |
≤0.10% |
≤0.10% |
≤0.10% |
Residue on ignition: |
≤0.05% |
≤0.10% |
≤0.10% |
≤0.10% |
≤0.10% |
Transmittance,265nm |
90.0 |
- |
- |
- |
- |
Clarity: |
- |
6 |
|
|
|
Heavy metal(Pb): |
To be agreed |
- |
0.0001 |
|
|
Single metal content: ug/kg |
To be agreed
|
- |
- |
- |
- |
Packaging:
25kg paper bag |
1 ton on one pallet |
Back |