2,2′-Dimethylbiphenyl
2,2′-Dimethylbiphenyl (CAS 605-39-0), also known as o,o′-Bitoluene, is an organic compound with the molecular formula CH3C6H4C6H4CH3 and a molecular weight of 182.26 g/mol. This arene serves as a valuable building block in organic synthesis. Its chemical structure and properties make it suitable for various research and development applications, particularly in the creation of more complex organic molecules.
- IUPAC
- o,o′-Bitoluene
- Synonyms
- o,o′-Bitoluene

Organic Synthesis Intermediate
2,2′-Dimethylbiphenyl is utilized as a key intermediate in the synthesis of various organic compounds. Its biphenyl structure with methyl substituents allows for diverse chemical transformations.
Research and Development
This compound is employed in academic and industrial research laboratories for exploring new chemical reactions and developing novel materials. It serves as a foundational molecule for creating complex molecular architectures.
Building Block for Specialty Chemicals
The specific arrangement of aromatic rings and methyl groups makes 2,2′-Dimethylbiphenyl a useful building block for the production of specialty chemicals with tailored properties.
| Molecular weight | 182.26 |
|---|---|
| Linear formula | CH3C6H4C6H4CH3 |
| Assay | 97% |
| Density | 0.989 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.5745(lit.) |
| Protective equipment | Eyeshields, Gloves, half-mask respirator (EU), half-mask respirator (US), multi-purpose combination respirator cartridge (US) |
|---|---|
| Flash point | 110 °C / 230 °F |
| Water hazard class (WGK, DE) | 3 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is 2,2′-Dimethylbiphenyl used for?
+
2,2′-Dimethylbiphenyl is primarily used as an intermediate in organic synthesis and as a building block for specialty chemicals in research and development applications.
What is the CAS number and formula for 2,2′-Dimethylbiphenyl?
+
The CAS number for 2,2′-Dimethylbiphenyl is 605-39-0, and its linear formula is CH3C6H4C6H4CH3.
What grade and purity does Tech Serve Solutions supply?
+
Tech Serve Solutions supplies 2,2′-Dimethylbiphenyl with an assay of 97%. We do not represent this product as USP, BP, or EP grade.
What are the safety and handling recommendations for 2,2′-Dimethylbiphenyl?
+
When handling 2,2′-Dimethylbiphenyl, it is essential to use eyeshields and gloves. Depending on the application and environment, a half-mask respirator (EU or US) or a multi-purpose combination respirator cartridge (US) may be necessary. It has a flash point of 110 °C (230 °F).
How is 2,2′-Dimethylbiphenyl packed, shipped, and exported?
+
Tech Serve Solutions ensures that 2,2′-Dimethylbiphenyl is appropriately packed for safe transit and is experienced in global export procedures to meet diverse customer needs.
How can I request a quote or sample for 2,2′-Dimethylbiphenyl?
+
To request a quote or a sample of 2,2′-Dimethylbiphenyl, please contact our sales team through the website or by phone. We are happy to assist with your specific requirements.
▶ Related products

1-(2-Fluorobenzyl)piperazine
C11H15FN2
Chemical Synthesis
1-(2-Fluorophenyl)biguanide hydrochloride
Chemical Synthesis

1-(2-Fluorophenyl)cyclopropanecarboxylic acid
C10H9FO2
Chemical Synthesis
1-(2-Fluorophenyl)piperazine
C10H13FN2
Chemical Synthesis
1-(2-Fluorophenyl)piperazine monohydrochloride
C10H13FN2 · HCl
Chemical Synthesis
1-(2-Furoyl)-1H-benzotriazole
C11H7N3O2
Chemical Synthesis
1-(2-Furoyl)piperazine
C9H12N2O2
Chemical Synthesis
1-(2-Hydroxy-5-methylphenyl)-3-phenyl-1,3-propanedione
Chemical Synthesis
▶ Explore more

3-Methyl-1,5-di-p-tolyl-1,4-pentazadiene
Chemical Synthesis

3-Methyl-1,5-pentanediol
Chemical Synthesis

3-Methyl-1-(2-methylphenyl)-1H-pyrazol-5-amine
C11H13N3
Chemical Synthesis
3-Methyl-1-(3′-sulfoamidophenyl)-5-pyrazolone
C10H11N3O3S
Chemical Synthesis