NAPHTHOL AS-LT
- CAS NO.：3689-20-1
- Empirical Formula: C19H17NO3
- Molecular Weight: 307.34
- MDL number: MFCD00053491
- EINECS: 222-994-7
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-08-28 09:47:36
What is NAPHTHOL AS-LT?
Preparation
5-Methoxy-2-methylbenzenamine and 3-Hydroxy-2-naphthoic acid condensation.
Properties and Applications
shallow brown powder, soluble in butanol and pyridine, insoluble in water and sodium carbonate solution. In the light of sulfuric acid is palm yellow solution; In sodium hydroxide solution for yellow in liquid, a green fluorescent. Melting point for 196 ~ 197 ℃, of air sensitive. Mainly used for cotton cloth dyeing and printing, also can be used for silk, polyamide, two vinegar fiber, viscose and WeiGuan dyeing. This product to cotton affinity medium
Properties of NAPHTHOL AS-LT
| Melting point: | 191-192 °C(Solv: benzene (71-43-2)) |
| Boiling point: | 436.8±45.0 °C(Predicted) |
| Density | 1.274±0.06 g/cm3(Predicted) |
| pka | 8.75±0.40(Predicted) |
| CAS DataBase Reference | 3689-20-1 |
| EPA Substance Registry System | 2-Naphthalenecarboxamide, 3-hydroxy-N-(4-methoxy-2-methylphenyl)- (3689-20-1) |
Safety information for NAPHTHOL AS-LT
Computed Descriptors for NAPHTHOL AS-LT
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