Cas No. :134-47-4
Structural formula:
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Specification:
| Appearance |
dry grey-white powder |
| Content |
≥80% |
| Free J acid |
≤0.2%(HPLC) |
| Insoluble solid |
≤0.3% |
| Chloride value |
≤5% |
Description:
C21H16O9N2S2
M.W:504.50
Use:Used as azo medium.Mainly used for the preparation of direct Orange S and direct acid-proof bright-red 4BS
Package:25kg-plastic-woven bag lined with a plastic bag inside