CAS 119-90-4 3,3'-Dimethoxybenzidine - Materials / Alfa Chemistry

NAVIGATION

3,3'-Dimethoxybenzidine

PRICE INQUIRY

Catalog Number

ACM119904-1

CAS Number

119-90-4

Product Name

3,3'-Dimethoxybenzidine

Structure

Category

Electroluminescence Materials

Description

3,3'-dimethoxybenzidine appears as colorless crystals or a light brown powder. Turns violet on standing. Carcinogen.;COLOURLESS CRYSTALS.;Colorless crystals that turn a violet color on standing.;Colorless crystals that turn a violet color on standing. [Note: Used as a basis for many dyes.]

IUPAC Name

4-(4-amino-3-methoxyphenyl)-2-methoxyaniline

Molecular Weight

244.29g/mol

Molecular Formula

C14H16N2O2;C14H16N2O2

Canonical SMILES

COC1=C(C=CC(=C1)C2=CC(=C(C=C2)N)OC)N

InChI

InChI=1S/C14H16N2O2/c1-17-13-7-9(3-5-11(13)15)10-4-6-12(16)14(8-10)18-2/h3-8H,15-16H2,1-2H3

InChI Key

JRBJSXQPQWSCCF-UHFFFAOYSA-N

Boiling Point

356.0 °C

Melting Point

279 to 280 °F (NTP, 1992);137.0 °C;137 °C;137.5 °C;279°F;279°F

Flash Point

403 °F (NTP, 1992);206 °C (403 °F) (closed cup);206 °C c.c.;403°F;403°F

Solubility

less than 0.1 mg/mL at 68° F (NTP, 1992);2.46e-04 M;Sol in alc, benzene, ether;Sol in chloroform, acetone;PROBABLY SOL IN MOST ORG SOLVENTS AND LIPIDS;In water, 60 mg/l @ 25 °C;Solubility in water, g/100ml at 25 °C: 0.006;Insoluble

Application

3,3'-Dimethoxybenzidine, a member of biphenyls, is primarily used as a chemical intermediate in the production of dyes and pigments. This colorless crystalline material, which can turn purple upon exposure to air, shares many characteristics with o-Dianisidine. It has a melting point of 137-138°C and is slightly soluble in water, but it dissolves more readily in alcohol, ether, and benzene, making it versatile for industrial applications. The compound's primary role is in synthesizing various dyes, particularly those involving azoic diazo components, which are used in the dyeing of paper, plastics, rubber, and textiles. Additionally, 3,3'-Dimethoxybenzidine contributes to creating adhesives and is utilized in polyurethanes. Its stability and performance are evaluated through tests for fastness to ironing, light, perspiration, and washing, ensuring its reliability in multiple applications.

Color/Form

LEAFLETS OR NEEDLES FROM WATER;Colorless crystals that turn a violet color on standing.

Complexity

236

Covalently-Bonded Unit Count

EC Number

204-355-4

Exact Mass

244.121178g/mol

Formal Charge

Heavy Atom Count

ICSC Number

1582

Log P

1.81 (LogP);log Kow = 1.81;1.81

MeSH Entry Terms

3,3' Dimethoxybenzidine;3,3'-Dimethoxybenzidine;Dianisidine;Dianisidine Dihydrochloride;Dianisidine Hydrochloride;Dianisidine Sulfate;Dihydrochloride, Dianisidine;Hydrochloride, Dianisidine;O Dianisidine;O-Dianisidine;Sulfate, Dianisidine

Monoisotopic Mass

244.121178g/mol

NSC Number

3168

Other Experimental

HAS GENERAL CHARACTERISTICS OF PRIMARY AROMATIC AMINES

Rotatable Bond Count

RTECS Number

DD0875000

UNII

MJY508JZXV

UN Number