2,3 Acid Chemical name: 3-Hydroxy-2-naphthoic acid CAS NO: 92-70-6 Molecular formula: C11H8O3 Properties: Light yellow powder, melting point 217-223°C, soluble in ethanol, ether, benzene and soluble in alkaline solution, insoluble in water.. Application:...
2,3 Acid
Chemical name: 3-Hydroxy-2-naphthoic acid
CAS NO: 92-70-6
Molecular formula: C11H8O3
Structure formula:
Properties:
Light yellow powder, melting point 217-223°C, soluble in ethanol, ether, benzene and soluble in alkaline solution, insoluble in water..
Application:
Mainly used to produce Naphthol AS and other Naphthols intermediates, also used to medical and pigment intermediates.
Specification:
Items | Refined Grade | Common Grade |
Purity,% | 99 min. | 98.5 min. |
1,2 Acid,% | 0.25 max. | 0.5 max. |
2-Naphthol,% | 0.2 max. | 0.5 max. |
Moisture,% | 0.15 max. | 0.3 max. |
Ash,% | 0.3 max. | 0.5 max. |
Insolubles in NaOH,% | 0.1 max. | 0.2 |
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