| Transport Package: | Bag |
|---|---|
| Specification: | 99% |
| Trademark: | kmbk |
| Origin: | China |
| Samples: |
|---|
| Customization: |
|---|
Propylparaben Typical Properties
|
ITEM |
STANDARD |
|
Appearance |
White crystal powder |
|
Assesment |
HPL C |
|
Assay |
98 % -102 % |
|
Organic impurities |
p-Hydroxybenzoic acid NMT 0.5% |
|
Unspecified impurities NMT 0.5% |
|
|
Total impurities NMT 1.0% |
|
|
Residue , % |
≤0.1 |
|
Melting Point , ºC |
96-99 |
|
Acid |
Passed |
|
Appearance of solution |
Passed |
|
Residual Solvents |
3000 ppm Me thanol maximum |
|
Heavy Metal (Pb ) |
≤10ppm |
|
Loss on drying , % |
≤ 0.50 |