3525-51-7

Basic information

• Product Name: TEREPHTHALBIS(P-ANISIDINE)
• Synonyms: N,N'-(1,4-PHENYLENEDIMETHYLIDENE)BIS(4-METHOXYANILINE);N,N'-TEREPHTHALYLIDENE-BIS(4-METHOXYANILINE);N,N'-TEREPHTHALYLIDENEDI-P-ANISIDINE;TEREPHTHALBIS(4-METHOXYANILINE);TEREPHTHALBIS(P-ANISIDINE);Terephthalbisanisidine;N,N'-TEREPHTHALYLIDENE-BIS(4-METHOXYANI&;Terephthalbis(4-methoxyaniline), Terephthalbis(p-anisidine), N,Nμ-Terephthalylidenedi-p-anisidine, N,Nμ-(1,4-Phenylenedimethylidene)bis(4-methoxyaniline)
• CAS NO: 3525-51-7
• Molecular Formula: C₂₂H₂₀N₂O₂
• Molecular Weight: 344.41
• Product Categories: Building Blocks;Chemical Synthesis;Imines/Amidines;Nitrogen Compounds;Organic Building Blocks
• Mol File: 3525-51-7.mol
• Article Data: 11

Chemical Properties

• Melting Point: 223-227 °C(lit.)
• Boiling Point: 530.8 °C at 760 mmHg
• Flash Point: 219.5 °C
• Appearance: /
• Density: 1.07 g/cm³
• Vapor Pressure: 8.1E-11mmHg at 25°C
• Refractive Index: 1.564
• CAS DataBase Reference: TEREPHTHALBIS(P-ANISIDINE)(CAS DataBase Reference)
• NIST Chemistry Reference: TEREPHTHALBIS(P-ANISIDINE)(3525-51-7)
• EPA Substance Registry System: TEREPHTHALBIS(P-ANISIDINE)(3525-51-7)

Safety Data

• Hazard Codes: Xn
• Statements: 36/37/38-42/43
• Safety Statements: 26-36/37/39-45
• WGK Germany: 3
• Hazardous Substances Data: 3525-51-7(Hazardous Substances Data)

Usage

General Description

TEREPHTHALBIS(P-ANISIDINE) is a chemical compound that is primarily used as a raw material in the production of dyes, pigments, and optical brighteners. It is a bis(anisidine) derivative of terephthalic acid, and its molecular structure consists of two p-anisidine molecules attached to a terephthalic acid core. TEREPHTHALBIS(P-ANISIDINE) is an important intermediate in the synthesis of various dyes and pigments, and it is commonly used in the textile, paper, and plastics industries. Additionally, terephthalbis(p-anisidine) has applications in the production of optical brighteners for detergents and as a component in the manufacturing of anti-corrosion coatings for metals. Its chemical properties and composition make it valuable for a wide range of industrial processes and applications.

InChI:InChI=1/C22H20N2O2/c1-25-21-11-7-19(8-12-21)23-15-17-3-5-18(6-4-17)16-24-20-9-13-22(26-2)14-10-20/h3-16H,1-2H3/b23-15+,24-16+

Upstream product

• 623-27-8 terephthalaldehyde, 
• 104-94-9 4-methoxy-aniline 

Downstream Products

• 1306767-59-8 Rh₂Cl₂(C₅(CH₃)5)2C₆H₂(CHNC₆H₄OCH₃)2 
• 1231760-69-2 ((IrCl((CH₃)5C₅))N(C₆H₄(OCH₃))CH)2(C₆H₂) 
• 1208-86-2 N-(4-methoxyphenyl)phenylamine 

Relevant articles and documents

An extending evidence of molecular conformation on spectroscopic properties of symmetrical bis-Schiff bases

The relationship between the molecular conformation and spectroscopic properties of symmetrical bis-Schiff bases, was explored experimentally. The synthesis, crystal structures, and spectroscopic behaviors of symmetrical bis-Schiff bases derived from 1,4-

Addition of dimethyl phosphite to N,N'-dialkyl-and-diaryl terephthalaldimines and its stereochemistry contrary to behavior of other analogues

The addition of dimethyl phosphite to N,N'-terephthalylidene-alkyl- (or aryl-) amines resulted in new tetramethyl 1,4-phenylene-bis-(N-alkylaminomethyl)-phosphonates in moderate yields. The stereochemical behavior of these reactions was studied by NMR, de

Highly anti-anti selective synthesis of bis-β-amino ketones via three-component direct Mannich-type reaction of terephthalaldehyde catalyzed by ZrOCl2·8H2O

At room temperature, zirconium oxychloride (ZrOCl2· 8H2O) efficiently catalyzes the direct Mannich-type reaction of a variety of in situ generated bis-imines using terephthalaldehyde and anilines with ketones in a three-component reaction at room temperature. The reaction proceeds rapidly and affords the corresponding bis-β-amino ketones in good-to-high yields with good-to-excellent anti-anti selectivity.