Chromotropic acid Quick Details
Product Name: Chromotropic acid
Other Name: 1,8-Dihydroxynaphthylene-3,6-disulfonic acid; 4,5-Dihydroxynaphthalene-2,7-disulfonic Acid
CAS: 148-25-4
Molecular Formula: C10H8O8S2
Molecular Weight: 320.3
Structural Formula:
Typical Properties
| Item | 
Specifications | 
| Appearance | 
Light grey to white powder | 
| Content | 
98%Min | 
| HPLC | 
99%Min | 
| H Acid | 
0.5%Max | 
| Moisture | 
1.0% Max | 
| Insoluble matter | 
0.1% Max. | 
Chromotropic acid Usage
Used as intermediate of dyes
Packaging and Shipping
25kg/drum
Chromotropic acid Storage
It should be sealed and shaded to be stored in a dry, cool, well ventilated place
Shelf life
12 month with package