4-ethoxyaniline Cas:156-43-4

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4-ethoxyaniline

Synonyms:
4-Aminophenetole
Phenetidine
Benzenamine, 4-ethoxy-
4-Ethoxyaniline
p-Phenetidine
 
Molecular Formula: C8H11NO
Molecular weight: 137.17900
 
 
Appearance and properties: colorless liquid
Density: 1.065 g/mL at 25 °C(lit.)
Boiling point: 250 °C(lit.)
Melting point: 2-5 °C(lit.)
Flash point: 240 °F
Refractive index: n20/D 1.559(lit.)
Water solubility: practically insoluble
 
Stability: Stability Stable, but light and air sensitive. Combustible. Incompatible with strong oxidizing agents.
Storage conditions: The warehouse is ventilated, low temperature and dry, and stored and transported separately from the food raw materials

Uses: used as intermediates for medicines, dyes, food preservatives, feed additives, rubber antioxidants
This product is used to produce rubber antioxidant AW, namely 6-ethoxy-2,2,4-trimethyl-1,2-dihydroquinoline. It is also used in feed and food to prevent the oxidation and deterioration of fat and protein during storage. It is also used for the preservation of vitamin A and vitamin E and other medicines. When used as feed and food antioxidant, it is called ethoxyquin ([91-53-27]). In medicine, it is used to produce antipyretic and analgesic phenacetin, antituberculosis and antiseptic rivanol. In terms of dyes, this product is an intermediate of Naphthol AS-VL, Alizarin Red 5G and Fast Acid Blue R.

Items of Analysis Standard of Analysis Test Results
Appearance Light yellow or reddish brown transparent liquid, crystallization at low temperature Conform
Purity ≥98.5% 99.25%
P-Chloroaniline ≤0.60% 0.11%
O-Aminophenylethylether ≤0.60% 0.24%
Low boiling point composition ≤0.80% 0.31%
High boiling point composition ≤0.20% 0.09%
Moisture ≤0.5% 0.38%
Conclusion Conforms to Factory Standard
 




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