Chemical Name: DSD Acid, 4,4-Diamino-2,2-stilbenedisulfonic acid
CAS No.: 81-11-8
Purity: 95% 60%min.
Molecular Formula: C14H14N2O6S2
Molecular weight: 370.4
Details: China factory supplier, good price offer for bulk order purchase.
Characters
DSD acid Light yellow cream or powder, soluble in ethanol and ether; insoluble in water, easily soluble in alkaline solution.Can be easily oxidized into red; has the property of aromatic acid or aromatic amine.
Specification
| Items | I+quality | |
| Paste | Powder | |
| Appearance | Light yellow | Light yellow |
| Contents of Amino ％ | ≥60.0 | ≥95.0 |
| Benzyl value ％ | ≤0.5 | ≤0.3 |
| Insoluble in Alkali % | ≤0.1 | ≤0.1 |
| Moisture ％ | - | ≤2.0 |
Application
Used in manufacture of fluorescent whitening agent, direct chrysophenineG, direct yellow R and used as
insecticide.
Packing
powder DSD Acid: 25kg/bag, 10000kg per 20'ft container
paste DSD Acid: 25kg/bag, 10000kg per 20'ft container
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