2,7-naphalenedisulfonic acid CAS#1655-35-2
Excellent chemical intermediate – A sulfonated naphthalene derivative widely used as a reliable building block in chemical synthesis.
Ideal for dye production – Plays an important role in the synthesis of dyes, supporting consistent color performance.
Suitable for analytical reagents – Commonly applied in the preparation of specialized analytical reagents for laboratory and industrial use.
Stable disodium salt form – Typically supplied as the disodium salt, offering convenient handling and formulation compatibility.
2,7-naphthalenedisulfonic acid (CAS# 1655-35-2) usually refers to its disodium salt form. It is a sulfonated naphthalene derivative commonly used as a chemical building block in the synthesis of dyes and specialized analytical reagents.
2,7-Naphthalenedisulfonic acid disodium salt Chemical Properties
| Form | powder to crystal |
| Color | White to Light yellow to Light orange |
| CAS DataBase Reference | 1655-35-2(CAS DataBase Reference) |
| EPA Substance Registry System | 2,7-Naphthalenedisulfonic acid, disodium salt (1655-35-2) |
| Hazard Codes | Xi |
| Risk Statements | 36/37/38 |
| Safety Statements | 37/39-26 |
| Hazard Note | Irritant |
| HS Code | 2904100090 |




