4-Ethoxyphenol Chemical Properties

Melting point:

64-67 °C

Boiling point:

131 °C (9 mmHg)

Density 

1.0742 (rough estimate)

refractive index 

1.5231 (estimate)

FEMA 

3695 | HYDROQUINONE MONOETHYL ETHER

Flash point:

121°C/9mm

storage temp. 

Inert atmosphere,Room Temperature

solubility 

almost transparency in Methanol

form 

Crystalline Powder or Chunks

pka

10.44±0.13(Predicted)

color 

Beige

Odor

at 10.00 % in dipropylene glycol. mild hawthorn phenolic plastic nutty

Odor Type

animal

Water Solubility 

slightly soluble

JECFA Number

720

BRN 

1907114

InChIKey

LKVFCSWBKOVHAH-UHFFFAOYSA-N

LogP

1.87

CAS DataBase Reference

622-62-8(CAS DataBase Reference)

NIST Chemistry Reference

4-Ethoxyphenol(622-62-8)

EPA Substance Registry System

Phenol, 4-ethoxy- (622-62-8)

Safety Information

Hazard Codes 

Xn,Xi

Risk Statements 

41-37/38-22-36/37/38

Safety Statements 

37/39-26-36

WGK Germany 

3

RTECS 

SL3790000

TSCA 

Yes

HS Code 

29071990

MSDS

• Language:English Provider:4-Ethoxyphenol
• Language:English Provider:ACROS
• Language:English Provider:ALFA

4-Ethoxyphenol Usage And Synthesis

Chemical Properties

beige crystalline powder or chunks

Chemical Properties

Hydroquinone monoethyl ether has a sweet herbaceous odor, which is reminiscent of anise and fennel

Uses

Intermediates of Liquid Crystals

Uses

4-Ethoxyphenol has been used as substrate to evaluate kinetic constant for the monophenolase activity of mushroom tyrosinase.

Definition

ChEBI: 4-Ethoxyphenol is a member of phenols and an aromatic ether.

Synthesis Reference(s)

Tetrahedron Letters, 35, p. 8727, 1994 DOI: 10.1016/S0040-4039(00)78482-6

General Description

4-Ethoxyphenol is the major dehalogenated product formed during H₂O₂-driven microperoxidase-8-catalyzed dehalogenation of 4-fluorophenol.

Safety Profile

Poison by intraperitoneal route. Experimentalreproductive effects. An irritant. When heated to decomposition it emits acrid smoke and irritating fumes.

4-Ethoxyphenol(622-62-8)Related Product Information

• Methylparaben
• Phenetidine
• 4-Hydroxyphenylacetic acid
• Ethoxyquin
• 4-Hydroxybenzyl alcohol
• 3-Hydroxybenzoic acid
• Phenetole
• 4-Ethylphenol
• 4-Hydroxy-D-(-)-2-phenylglycine
• Dimethyl ether
• DIETHOXYMETHANE
• Triclosan
• 2-Butoxyethanol
• 4-Cyanophenol
• 4-Methoxyphenol
• Ethoxyethyne
• Butylparaben
• Hydroquinone