Description

2,2′-Dimethylbenzidine (CAS No. 84-67-3), also known as m-Tolidine or 2,2′-Tolidine, is a high-purity aromatic amine with the molecular formula C₁₄H₁₆N₂. This white to pale yellow crystalline solid is widely utilized as a key intermediate in organic synthesis, particularly in the production of dyes, pigments, and specialty polymers. With an IUPAC name of 4-(4-amino-2-methylphenyl)-3-methylaniline, this compound exhibits excellent reactivity for coupling reactions and oxidative processes. Our premium-grade 2,2′-Dimethylbenzidine is rigorously tested for purity (>98%) and consistency, making it ideal for research applications in materials science and chemical manufacturing. Proper handling precautions are required due to its potential as a sensitizer.

Properties

• CAS Number: 84-67-3
• Complexity: 205
• IUPAC Name: 4-(4-amino-2-methyl-phenyl)-3-methyl-aniline
• InChI: InChI=1S/C14H16N2/c1-9-7-11(15)3-5-13(9)14-6-4-12(16)8-10(14)2/h3-8H,15-16H2,1-2H3
• InChI Key: QYIMZXITLDTULQ-UHFFFAOYSA-N
• Exact Mass: 212.131348519
• Molecular Formula: C14H16N2
• Molecular Weight: 212.29
• SMILES: CC1=C(C=CC(=C1)N)C2=C(C=C(C=C2)N)C
• Topological: 52
• Monoisotopic Mass: 212.131348519
• Synonyms: 84-67-3, m-Tolidine, 2,2′-Dimethylbenzidine, 2,2′-Dimethyl-4,4′-diaminobiphenyl, 2,2′-Tolidine, 2,2′-Dimethyl-4,4′-biphenyldiamine, 2,2′-Dimethyl[1,1′-biphenyl]-4,4′-diamine, Benzidine, 2,2′-dimethyl-, O23M27FP1T, [1,1′-Biphenyl]-4,4′-diamine, 2,2′-dimethyl-, NSC 1989, NSC-1989, EINECS 201-551-1, 2,2′-Dimethyl(1,1′-biphenyl)-4,4′-diamine, (1,1′-Biphenyl)-4,4′-diamine, 2,2′-dimethyl-, DTXSID8043860, J4.899B, 2,2′-DIMETHYL-4,4′-DIAMINOBIPHENYLENE, DTXCID6023860, Benzidine, 2,2′-dimethyl-(8CI), (1,1′-Biphenyl)-4,4′-diamine, 2,2′-dimethyl-(9CI), 201-551-1, 2,2′-dimethyl-[1,1′-biphenyl]-4,4′-diamine, 4-(4-amino-2-methylphenyl)-3-methylaniline, 4,4′-Diamino-2,2′-dimethylbiphenyl, MFCD02269175, 2,2′-dimethylbiphenyl-4,4′-diamine, UNII-O23M27FP1T, NSC1989, 4,2′-dimethylbiphenyl, Benzidine,2′-dimethyl-, SCHEMBL63910, 2,2′-Dimethyl-[1,1′-biphenyl]-4,4′-diamine (MMB), BCP29463, [1,4′-diamine, 2,2′-dimethyl-, BBL029664, STK581584, AKOS005505238, biphenyl, 4,4-diamino-2,2′-dimethyl-, NCGC00325007-01, AC-33839, AS-20109, SY025471, DB-027514, CS-0022406, NS00038596, T3098, O10558, AB01319789-02, 2,2′-Dimethyl[1,1′-biphenyl]-4,4′-diamine, Q24705889, 2,2′-Dimethyl-[1,1′-biphenyl] -4,4′-Diamine (M-Tolidine), 2,2′-dimethyl-[1,1′-biphenyl]-4,4′- Diamine (M-Tolidine), 4-(4-amino-2-methylphenyl)-3-methylaniline;2,2-Dimethyl[1,1, 4,4 inverted exclamation mark -Diamino-2,2 inverted exclamation mark -dimethylbiphenyl

Application

2,2′-Dimethylbenzidine serves as a crucial precursor in the synthesis of azo dyes and pigments for textiles and inks. It finds specialized use in analytical chemistry as a chromogenic reagent for detecting oxidizing agents. The compound also has applications in polymer chemistry as a building block for high-performance polyimides and epoxy resins.

Safety and Hazards

GHS Hazard Statements

• H302 (97.2%): Harmful if swallowed [Warning Acute toxicity, oral]

Precautionary Statements

• P264, P270, P301+P317, P330, and P501

Hazard Classes and Categories

• Acute Tox. 4 (97.2%)

If you are interested or have any questions, please contact us at support@atomfair.com

Disclaimer: Sold exclusively for laboratory research. Prohibited for commercial use, diagnostics, or human/animal applications. Buyers assume all compliance liability.