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: 2026-09-12 18:43:54
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
New Products
2-(2-Chlorophenyl)glycine Propiolic Acid 1-(3-Hydroxy-4-methoxyphenyl)-2-nitroethene (±)-amino(2-fluorophenyl)acetic acid trans-3-Benzyloxy-4-methoxy-beta-nitrostyrene 1-Pentadecanol 4-(4-Αminophenyl)-3-Morpholinone 3-Morpholino-1-(4-(2-oxopiperidin-1-yl) phenyl)-5,6-dihyropyridin-2-(1H)-one 1-(4-Aminophenyl)-3-morpholino-5,6-dihydropyridin-2(1H)-one N-cyanoacetylurethane 1H-IndazoleRelated products of tetrahydrofuran
You may like
-
40216-83-9 trans-4-Hydroxy-L-proline methyl ester hydrochloride 98+View Details
40216-83-9 -
471-25-0 Propiolic Acid 98+View Details
471-25-0 -
84145-28-8 98+View Details
84145-28-8 -
trans-3-Benzyloxy-4-methoxy-beta-nitrostyrene 98+View Details
63909-29-5 -
2-(2-Chlorophenyl)glycine 88744-36-9 98+View Details
88744-36-9 -
40216-83-9 trans-4-Hydroxy-L-proline methyl ester hydrochloride 98+View Details
40216-83-9 -
629-76-5 98+View Details
629-76-5 -
1-(3-Hydroxy-4-methoxyphenyl)-2-nitroethene 98+View Details
39816-35-8
Statement: All products displayed on this website are only used for non medical purposes such as industrial applications or scientific research, and cannot be used for clinical diagnosis or treatment of humans or animals. They are not medicinal or edible.