3-Hydroxy-2-naphthoyl-ortho-phenetidide CAS #92-74-0

1. Basic information
Alias: Nafto AS-PH, 2-hydroxy-3-naphthoyl-o-ethoxyaniline, etc.
Molecular formula: C₁₉H₁₇NO₃.
Molecular weight: 307.34.
2. Physical properties
Appearance: light yellow powder.
Melting point: 192-193℃.
3. Uses
Mainly used for dyeing and printing of cotton and viscose fibers. Different colors can be obtained by reacting with different color developers, such as red when used with red base KB, and jujube red when used with red base B.

3-Hydroxy-2-naphthoyl-ortho-phenetidide CAS #92-74-0

3-Hydroxy-2-naphthoyl-ortho-phenetidide Basic information
Product Name: 3-Hydroxy-2-naphthoyl-ortho-phenetidide
Synonyms: 3-Hydroxy-2-naphtho-o-phenetide;AcnaNaphtholOF-;C.1.AzoicCouplingComponent14(37588);Amarthol AS-PH;Conazoic AD;Dycosthol AS-PH;Kiwa Grounder PH;Naphtol AS-PH
CAS: 92-74-0
MF: C19H17NO3
MW: 307.34
EINECS: 202-185-5
Product Categories: Intermediates of Dyes and Pigments
Mol File: 92-74-0.mol
3-Hydroxy-2-naphthoyl-ortho-phenetidide Structure
3-Hydroxy-2-naphthoyl-ortho-phenetidide Chemical Properties
Melting point 157~158℃
Boiling point 436.2±30.0 °C(Predicted)
density 1.273±0.06 g/cm3(Predicted)
pka 8.74±0.40(Predicted)
CAS DataBase Reference 92-74-0(CAS DataBase Reference)
EPA Substance Registry System 3-Hydroxy-2-naphtho-o-phenetidide (92-74-0)
Safety Information
MSDS Information
3-Hydroxy-2-naphthoyl-ortho-phenetidide Usage And Synthesis
Preparation 2-Ethoxybenzenamine and 3-Hydroxy-2-naphthoic acid condensation.
Properties and Applications shallow rice brown powder, melting point for 157 ~ 158 ℃. Insoluble in water and sodium carbonate solution, soluble in glacial acetic acid. Stability of air. Mainly used in cotton yarns, cotton fabric, PVA, polyamide, viscose and silk dyeing, general is not used for printing. This product to cotton affinity low, coupled ability medium.

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