2,2'-Dimethyl-[1,1'-biphenyl]-4,4'-Diamine (M-Tolidine) CAS 84-67-3

Name: 2,2'-Dimethyl-[1,1'-biphenyl]-4,4'-Diamine (M-Tolidine) CAS 84-67-3
Brand: Aure Chemical
Price: 1.00 USD
Availability: InStock
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Synonyms: 2,2'-Dimethylbenzidine; 4,4'-Diamino-2,2'-dimethylbiphenyl; 2,2'-DIMETHYL-4,4'-DIAMINOBIPHENYL; 4-(4-Amino-2-methylphenyl)-3-methylbenzenamine; APB-144; 4'-amino-2,2'-dimethyl[1,1'-biphenyl]-4-ylamine

Shandong Aure Chemical Co., Ltd. is one of the leading suppliers of M-Tolidine in China and also one of the manufacturers of this product.

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Product Details

High-Purity M-Tolidine from Aure Chemical – Your Trusted Source

2,2'-Dimethyl-[1,1'-biphenyl]-4,4'-Diamine (M-Tolidine), CAS 84-67-3, is a rigid biphenyl aromatic diamine monomer used as a structural building block in polyimide diamine monomer systems , valued for its chemical stability, molecular rigidity, and reactivity in polymer synthesis and organic intermediate development.

Basic Information of M-Tolidine

Product Name	2,2'-Dimethyl-[1,1'-biphenyl]-4,4'-Diamine
Abbreviation	M-Tolidine
CAS Number	84-67-3
Molecular Formula	C14H16N2
Molecular Weight	212.29 g/mol
Appearance	White to off-white solid
Purity	≥99.5%
Package	1kg/bottle, 20kg/drum, or customized
Molecular Structure

Key Properties

Rigid biphenyl core with methyl substituents contributing to reduced dipole density
Structural suitability for low-dielectric polymer material systems studied for electronic processing
Used as a molecular building block in COFs, MOFs, and organic electronic material research
Dual amine functionality enabling controlled polymer chain extension or crosslinking
Thermal stability appropriate for aromatic polymer synthesis

Key Applications of M-Tolidine

High-Performance Polymers: Functions as a structural component in low-dielectric polyimide and copolyimide formulations relevant to electronic and semiconductor-oriented polyimide material research , particularly where reduced dipole moments are investigated.

Optoelectronic Material Research: Explored as an aromatic diamine precursor in conjugated organic systems within specialty functional polymer and electronic material research contexts , without implying device-level performance outcomes.

Dyes and Pigments: Utilized as an aromatic diamine intermediate in dye and pigment synthesis, independent of polyimide application claims.

Semiconductor-Related Processing Materials: Employed as a reagent in cured film and material processing studies associated with semiconductor-compatible polymer systems .

Advanced Framework Materials: Applied as a biphenyl ligand in COFs and MOFs, and explored in separation membranes and energy-related material research, aligned with processable polymer system development .

Detailed COA / TDS / MSDS are available upon request. Please Contact Us for more information.

Packaging, Transportation & Storage

Aure Chemical ensures that all products are handled in compliance with international safety and quality standards. Each product’s SDS should be consulted for detailed requirements.

Packaging

We use certified UN-rated containers suitable for each chemical type — including steel drums, HDPE drums, IBCs, and ISO tank containers for bulk liquids. All packages are tested for integrity and labeled per IMDG / IATA / ADR standards.

Transportation

Shipments comply with IMDG, IATA, and ADR codes to ensure safe and lawful movement by sea, air, or land. Accompanying documents include SDS, Dangerous Goods Declarations, and COAs.

Storage

Products should be stored in well-ventilated, dry areas, away from heat and incompatible substances. Follow ISO 9001 / 14001 principles for safety, labeling, and periodic inspection.

For detailed handling or customized packaging inquiries, please contact us.

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