6370-44-1

Basic information

• Product Name: 2-[(4-ethoxyphenyl)azo]-p-cresol
• Synonyms: 2-[(4-ethoxyphenyl)azo]-p-cresol;2-[(4-Ethoxyphenyl)azo]-4-methylphenol;4'-Ethoxy-5-methylazobenzene-2-ol;C.I.11870;C.I.Solvent Yellow 9;Organol Yellow PC;Einecs 228-882-4;(E)-2-((4-ethoxyphenyl)diazenyl)-4-methylphenol
• CAS NO: 6370-44-1
• Molecular Formula: C₁₅H₁₆N₂O₂
• Molecular Weight: 256.29974
• EINECS: 228-882-4
• Mol File: 6370-44-1.mol
• Article Data: 1

Chemical Properties

• Boiling Point: 402.6°C at 760 mmHg
• Flash Point: 197.3°C
• Appearance: /
• Density: 1.12g/cm³
• Vapor Pressure: 1.08E-06mmHg at 25°C
• Refractive Index: 1.566
• CAS DataBase Reference: 2-[(4-ethoxyphenyl)azo]-p-cresol(CAS DataBase Reference)
• NIST Chemistry Reference: 2-[(4-ethoxyphenyl)azo]-p-cresol(6370-44-1)
• EPA Substance Registry System: 2-[(4-ethoxyphenyl)azo]-p-cresol(6370-44-1)

Safety Data

• Hazardous Substances Data: 6370-44-1(Hazardous Substances Data)

Usage

Preparation

4-Ethoxybenzenamine diazotization, and p-Cresol coupling.

Properties and Applications

red light yellow. Melting point is 103 ~ 104 ℃. Soluble in Etanol, Acetone and Benzene. In concentrated sulfuric acid to dark brown, and then into orange, dilution still for orange; In a dilute Sodium hydroxide solution for orange. Standard Light Fastness Heat-resistant(℃) water Sodium Carbonate(5%) Hydrochloric acid(5%) Melting point Stable ISO Good 103～104 Indissolvable

Standard

Light Fastness

Melting point

Stable

ISO

Good

InChI:InChI=1/C15H16N2O2/c1-3-19-13-7-5-12(6-8-13)16-17-14-10-11(2)4-9-15(14)18/h4-10,16H,3H2,1-2H3/b17-14-

Upstream product

• 106-44-5 p-cresol 
• 19262-82-9 4-ethoxybenzenediazonium 

Downstream Products

• 1006709-33-6 [Ru(OC₆H₃(CH₃)N₂C₆H₃OCH₃)(CO)(As(C₆H₅)3)2] 
• 95-84-1 3-amino-4-hydroxytoluene 
• 156-43-4 4-Ethoxyaniline 

Relevant articles and documents

REACTIVITY AND MECHANISM OF THE ANTITUMOR ACTION OF TRIAZENES. II. INTERACTION OF AROMATIC DIAZO-DERIVATIVES WITH A MODEL OF PHENOL-TYPE NUCLEOPHILIC SITES OF THE CELL MEMBRANES

-