Description

[2,2'-Dichloro[1,1'-Biphenyl]-4,4'-Diyl]Diammonium Sulphate is a specialized biphenyl derivative salt with the CAS number 70146-07-5. This compound is valued for its role as a key chemical intermediate in the synthesis of advanced materials and functional chemicals. It is primarily sought by manufacturers in the pharmaceutical, agrochemical, and specialty chemical industries for research and production processes requiring high-purity, functionalized biphenyl structures.

Application

• Pharmaceutical Intermediate: Serves as a critical building block in the synthesis of active pharmaceutical ingredients (APIs), particularly for compounds with biphenyl core structures.
• Agrochemical Synthesis: Used in the production of advanced herbicides, fungicides, and plant growth regulators where the dichlorobiphenyl moiety is required.
• Liquid Crystal & OLED Materials: Acts as a precursor in the manufacture of specialty chemicals for electronic displays and organic light-emitting diodes (OLEDs).
• Polymer & Resin Modifier: Employed to introduce functional groups into polymer chains, enhancing material properties like thermal stability or adhesion.
• Dye & Pigment Intermediate: Utilized in the synthesis of complex organic dyes and high-performance pigments.
• Research & Development: A valuable reagent for academic and industrial R&D in organic chemistry and material science.
• Cross-coupling Reactions: Functions as a substrate in palladium-catalyzed cross-coupling reactions (e.g., Suzuki, Heck) to create complex biaryl systems.

Basic Information

Product Name	[2,2'-Dichloro[1,1'-Biphenyl]-4,4'-Diyl]Diammonium Sulphate
CAS No.	70146-07-5
Molecular Formula	C12H12Cl2N2O4S
Molecular Weight	351.21 g/mol
Synonyms	2,2'-Dichlorobiphenyl-4,4'-diammonium sulfate; 4,4'-Diamino-2,2'-dichlorobiphenyl sulfate; 2,2'-Dichloro-4,4'-biphenyldiamine sulfate; 2,2'-Dichlorobenzidine sulfate (dihydrogen sulfate); Biphenyl-4,4'-diamine, 2,2'-dichloro-, sulfate (1:1); DADPS (abbreviation); 2,2'-DCB Sulfate
EINECS	Contact for details

Quality Control

Our [2,2'-Dichloro[1,1'-Biphenyl]-4,4'-Diyl]Diammonium Sulphate is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing to ensure high purity and consistent performance. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing key parameters such as assay, impurity profile, and physical characteristics. Our quality commitment supports applications requiring reliable and traceable raw materials.

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 after opening to prevent degradation from atmospheric moisture. Keep away from incompatible materials.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 2.0%
Heavy Metals (as Pb)	≤ 20 ppm
Residue on Ignition	≤ 0.1%
Related Substances (HPLC)	Individual impurity ≤ 0.5%, Total impurities ≤ 1.5%

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