| Identification | |
| Name: | 2-Aminonaphthalene-1-sulfonic acid |
| Synonyms: | 1-Sulfo-2-naphthylamine;2-Amino-1-naphthalenesulfonic acid;2-Naphthylamine-1-sulfonic acid;Tobias acid;2-aminonaphthalene-1-sulfonate; |
| CAS: | 81-16-3 |
| EINECS: | 201-331-5 |
| Molecular Formula: | C10H9NO3S |
| Molecular Weight: | 223.25 |
| InChI: | InChI=1/C10H9NO3S/c11-9-6-5-7-3-1-2-4-8(7)10(9)15(12,13)14/h1-6H,11H2,(H,12,13,14) |
| Molecular Structure: |  |
| Properties | |
| Transport: | 25kgs |
| Density: | 1.502 g/cm3 |
| Solubility: | Slightly sol in cold water; more sol in hot water; very slightly sol in alcohol, ether In water, 4,100 mg/l @ 20 deg C |
| Appearance: | White to Pink Crystal |
| Specification: |
? 2-Aminonaphthalene-1-sulfonic acid , with CAS number of 81-16-3, can be called 1-naphthalenesulfonic acid, 2-amino- ; 2-Naphthylamine-1-sulfonic acid (Tobias acid) ; 2-Naphthylamine-1-sulfonic acid . 2-Aminonaphthalene-1-sulfonic acid (CAS NO.81-16-3) is used as intermediate for pigments, ci pigment 49, 6-amino-1-naphthalenesulfonic acid, 6-amino-1,3-naphthalenedisulfonic acid, eg. |
| Packinggroup: | III |
| Color: | WHITE NEEDLES Anhydrous scales from hot water; hydrated needles from cold water |
| Safety Data | |
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