Description

4,4'-Bi-o-Toluidine Sulphate is an important organic chemical intermediate, specifically a sulfate salt of a dimerized toluidine derivative. This compound is valued for its role as a versatile building block in the synthesis of complex organic molecules, particularly dyes and pigments. It is primarily utilized by manufacturers in the chemical synthesis, specialty dyes, and advanced materials sectors.

Application

• Dye and Pigment Intermediate: A key precursor in the synthesis of azo dyes, pigments, and other colorants for textiles, inks, and plastics.
• Chemical Synthesis: Serves as a versatile building block for creating more complex organic compounds in pharmaceutical and agrochemical research.
• Polymer Industry: Used in the production of specialty polymers and as a potential monomer or additive to modify polymer properties.
• Research & Development: Employed in academic and industrial R&D laboratories for developing new materials and catalytic systems.
• Photographic Chemicals: Can be utilized in the formulation of certain photographic developers and sensitizers.
• Corrosion Inhibitors: Acts as a component in formulations designed to protect metals from corrosion.

Basic Information

Product Name	4,4'-Bi-o-Toluidine Sulphate
CAS No.	74753-18-7
Molecular Formula	C14H18N2O4S
Molecular Weight	310.37 g/mol
Synonyms	4,4'-Dimethyl-2,2'-diaminodiphenyl Sulfate; 4,4'-Bi-o-Toluidine Sulfate; 2,2'-Dimethylbenzidine Sulfate; o-Tolidine Sulfate; 3,3'-Dimethyl-[1,1'-biphenyl]-4,4'-diamine Sulfate; Bis(4-amino-3-methylphenyl) Sulfate; DADPS (occasional abbreviation)
EINECS	Contact for details

Quality Control

Our 4,4'-Bi-o-Toluidine Sulphate is produced under strict quality management protocols. Each batch undergoes rigorous analytical testing to ensure consistent purity and meets the specifications required for industrial synthesis. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed to prevent absorption of atmospheric moisture.

Specification

Item	Specification
Appearance	Off-white to light tan powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 2.0%
Residue on Ignition	≤ 0.5%
Heavy Metals (as Pb)	≤ 20 ppm

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.