Meta phenylene Diamine 4 Sulfonic Acid Free Acid
CAS RN:
88-63-1
Molecular Formula:
C6H7N2O3S
Grade
Specifications
| Property | Unit | Min. | Max. |
|---|---|---|---|
| Appearance | White to gray crystals | ||
| Meta phenylene diamine 4 sulfonic acid free acid(Combined value) | %(≥) | 90.00 | |
| Meta phenylene diamine 4 sulfonic acid free acid | %(≥) | 99.00 | |
| 4.6-Phenylene diamine-1.3 disulfonic acid | %(≤) | 0.50 | |
| MPD | %(≤) | 0.10 | |
| Free acid | %(≤) | 1.00 | |
| Alkali-insoluble matter | %(≤) | 0.20 | |
Packaging
PPW Bags
Applications
This is an important intermediate used in the synthesis of reactive and acid dyes.
Qualified Product
Specifications
|
|||
| Property | Unit | Min. | Max. |
|---|---|---|---|
| Appearance | White to gray crystals | ||
| Meta phenylene diamine 4 sulfonic acid free acid(Combined value) | %(≥) | 90.00 | |
| Meta phenylene diamine 4 sulfonic acid free acid | %(≥) | 99.00 | |
| 4.6-Phenylene diamine-1.3 disulfonic acid | %(≤) | 0.50 | |
| MPD | %(≤) | 0.10 | |
| Free acid | %(≤) | 1.00 | |
| Alkali-insoluble matter | %(≤) | 0.20 | |
Packaging
PPW Bags
Applications
This is an important intermediate used in the synthesis of reactive and acid dyes.