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Aniline 2,5 Di Sulphonic Acid is a sulphonated aromatic intermediate manufactured through controlled sulphonation processes. It is used as a key building block in the synthesis of dyes and specialty chemical products. The manufacturing process focuses on maintaining consistent chemical composition, purity, and batch-to-batch reproducibility to support reliable downstream processing in industrial dye and chemical applications.
| Structural Formula | |
|---|---|
| Molecular Weight | ~253.19 g/mol |
| Empirical Formula | C6H7NS2O6 |
| Synonym | 2-amino-1,4-benzenedisulphonic acid; 2,5-disulfoaniline |
| Nature of Material | Free sulphonic acid / wet powder |
| Solubility | Soluble in dilute alkaline solutions / water |
| Description | Off-white to light brown wet powder / off-white moist cake |
| Typical Purity | ~80% min; HPLC figures often show 98–99% for HPLC profile. |
| Packaging | HDPE/PP bags with polyethylene inner liner |
| Cas No. | 24605-36-5 |
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