DASDA
Product Name: DASDA
Chemical Name: 4,4′-Diamino-2,2′-stilbenedisulfonic acid
Synonyms: DSD Acid; 4,4′-Diamino-stilbene-2,2′-disulfonic acid
CAS No: 81-11-8
MF: C14H14N2O6S2
MW: 370.4
Category: Dyes Intermediate
Structure:
Descriptions:
Yellow needle-like hygroscopic crystals. Very soluble in water, soluble in ethanol and ether, soluble in alkaline solution.
Melting point 300 ° C
Storage conditions -20 ° C Freezer
Water solubility <0.1 g / 100 mL at 23 ºC
Use:
Used to produce fluorescent brighteners, direct frozen yellow G and direct yellow R, and used as insecticide.
Inttermediate for Dyes and fluorescent whitening agents.
Storage: Storage should be cool and ventilated, away from heat, fire, to prevent sun exposure, heat is strictly prohibited.
Package: 25kg PP bag for solid powder. 200L or 250KG Drum for Liquid.
Specifications:
| Appearance | Yellow needle-like hygroscopic crystals |
| Content | ≥95% |
| Moisture | ≤0.1% |
| Insoluble | ≤0.1% |
| Melting point | n/a |
| Package | 25KG/Bag; 500KG/Bag |