High Quality Dyestuff Intermediates 3-Hydroxy-2-Naphthoic Acid CAS 92-70-6
Chemical Name: 3-Hydroxy-2-naphthoic acid
CAS No.: 92-70-6
Molecular Fomula:C11H8O3
Molecular weight:188.18
Appearance:yellow crystalline
Assay:99%min
COA and specification :
Testing Items | Standard Indicator | Testing Result
|
Appearance | Light yellow
powder | Up to the standard |
Melting PointºC | ≥217 | 217.90 |
Purity
Bon Acid Content % | ≥98.5 | 98.95 |
Beta Naphthol % | ≤0.6 | 0.54 |
Moisture % | ≤0.30 | 0.12 |
2,6 Acid % | ≤0.30 | 0.25 |
Quantity |
| 100kg |
Function & Applications
Organic Synthesis. Dye Intermediates.
China
