| Type: | Pharmaceutical Intermediates |
|---|---|
| Appearance: | Powder |
| Quality: | Refined |
| Colour: | White |
| CAS No.: | 69-72-7 |
| Formula: | C7h6o3 |
| Customization: |
|---|
Suppliers with verified business licenses
|
Item
|
Standard
|
|
Appearance
|
white or colorless crystalline powder
|
|
Appearance of solution
|
clear and colorless
|
|
4-hydroxybenzoic acid
|
≤0.1%
|
|
4-hydroxyisophthalic acid
|
≤0.05%
|
|
Pheno
|
≤0.02%
|
|
Other impurities
|
≤0.03%
|
|
Chloride
|
≤100ppm
|
|
Sulfate
|
≤200ppm
|
|
Heavy metals
|
≤20ppm
|
|
Loss on drying
|
≤0.5%
|
|
Sulphated ash
|
≤0.1%
|
|
Assay to dried substance
|
C7H6O3 99.0%-100.5%
|
|
Storage
|
in the shade
|
|
Packing
|
25 kg/bag
|
Suppliers with verified business licenses
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