CAS 119-90-4 o-Dianisidine - Materials / Alfa Chemistry

NAVIGATION

o-Dianisidine

PRICE INQUIRY

Catalog Number

ACM119904-2

CAS Number

119-90-4

Product Name

o-Dianisidine

Category

Electroluminescence Materials; Monomers; Polymers

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

o-Dianisidine serves primarily as a chemical intermediate in the production of dyes and pigments, harnessing its unique chemical structure to aid in the synthesis of a wide range of colorants. This compound's ability to form colorless crystals, despite often appearing with a violet tinge due to exposure, underscores its stability in its pure form and slight sensitivity to environmental factors. Its solubility in alcohol, ether, and benzene facilitates its integration into various industrial processes. Notably, o-Dianisidine also plays a crucial role in creating o-dianisidine diisocyanate, which is further utilized in adhesives and the manufacture of polyurethanes. Beyond its significant contributions to dye production-highlighted by the Society of Dyers and Colourists citing its role in the creation of 89 dyes in 1971-this compound is also employed as a dye for materials such as paper, plastics, rubber, and textiles. Additionally, it functions as a test substance for the detection of metals, thiocyanates, and nitrites, making it a versatile component in both industrial and laboratory settings.

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