CAS:117-62-4
Molecular Formula:C10H9NO6S2
Molecular Weight:303.31
EINECS:204-201-6
Synonyms:SULFO TOBIAS ACID; SULPHOTOBIAS ACID; 2-amino-1,5-naphthalenedisulfonic; Sulfonic Tobias Acid; 2-NAPHTHYLAMINE-1 5-DISULFONIC ACID SODI; 2-NAPHTHYLAMINE-1,5-DISULFONIC ACID, F. PROT. SEQ. ANALYSIS; 1,5-Naphthalenedisulfonic acid, 2-amino-2-amino-5-naphthalenedisulfonicacid; 5-sulfo-tobiasaci; kyselina2-naftylamin-1,5-disulfonova
2-Amino-1,5-naphthalenedionic acid is an important intermediate product in the production of dyes, especially reactive dyes. The method involves sulfonating 2-naphthylamine-1-sulfonic acid (Tobias acid) in oleum (SO3 content 15-30% by weight) at room temperature.
| Item | Specificatie |
| Boiling point | 205.8°C (rough estimate) |
| Dichtheid | 1.6329 (rough estimate) |
| MW | 303.31 |
| pKa | -0.51±0.40(Predicted) |
| Opslag omstandigheden | 2-8°C |
2-Amino-1,5-naphthalenedionic acid is an important intermediate product used as a dye intermediate, especially in the production of reactive dyes.
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