α,α-Dichlorodiphenylmethane
α,α-Dichlorodiphenylmethane (CAS: 2051-90-3), with the linear formula (C<sub>6</sub>H<sub>5</sub>)<sub>2</sub>C(Cl)<sub>2</sub> and a molecular weight of 237.12 g/mol, is a halogenated hydrocarbon. This compound is primarily utilised as a versatile building block in organic synthesis. Its reactivity allows for its incorporation into more complex molecular structures, making it valuable in research and development settings for creating novel chemical entities.
- IUPAC
- Benzophenone dichloride
- Synonyms
- Benzophenone dichlorideDiphenyl dichloromethyl

Organic Synthesis Intermediate
α,α-Dichlorodiphenylmethane serves as a key intermediate in the synthesis of various organic compounds. Its dichloro functionality enables diverse chemical transformations, facilitating the construction of complex molecules for research purposes.
Building Block for Specialty Chemicals
As a valuable building block, this compound finds application in the development of specialty chemicals. It can be incorporated into synthetic pathways to create novel materials and molecules with specific properties.
Research and Development Reagent
In R&D environments, α,α-Dichlorodiphenylmethane is employed for exploring new chemical reactions and synthesizing target molecules. Its utility lies in its ability to introduce specific structural motifs into larger compounds.
| Molecular weight | 237.12 |
|---|---|
| Linear formula | (C6H5)2C(Cl)2 |
| Assay | 97% |
| Boiling point | 305 °C(lit.) |
| Density | 1.235 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.605(lit.) |


Hazard statements
- H314Causes severe skin burns and eye damage
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P280Wear protective gloves, clothing and eye/face protection
- P305IF IN EYES
- P310Immediately call a POISON CENTER or doctor
| Protective equipment | Faceshields, full-face respirator (US), Gloves, Goggles, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Flash point | 110 °C / 230 °F |
| Transport (UN / ADR) | UN 3265 8 / PGII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | C |
| Risk statements (R) | 14-34-37 |
| Safety statements (S) | 26-36/37/39-45 |
| Supplemental hazards | Reacts violently with water. |
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 α,α-Dichlorodiphenylmethane used for?
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α,α-Dichlorodiphenylmethane is primarily used as a building block and intermediate in organic synthesis and chemical research and development.
What is the CAS number and formula for α,α-Dichlorodiphenylmethane?
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The CAS number is 2051-90-3, and its linear formula is (C<sub>6</sub>H<sub>5</sub>)<sub>2</sub>C(Cl)<sub>2</sub>.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies α,α-Dichlorodiphenylmethane with an assay of 97%. This product is not represented as USP, BP, EP, or other pharmacopoeia grades.
What are the primary safety hazards associated with α,α-Dichlorodiphenylmethane?
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This compound is classified as corrosive and may cause respiratory irritation. It reacts violently with water, necessitating careful handling and storage away from moisture. Appropriate personal protective equipment, including gloves, eye protection, and respiratory protection, is essential.
Is α,α-Dichlorodiphenylmethane shipped internationally?
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Yes, Tech Serve Solutions is a global supplier and exporter and can handle international shipments of α,α-Dichlorodiphenylmethane, adhering to all relevant shipping regulations.
How can I request a sample or quote for α,α-Dichlorodiphenylmethane?
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To request a sample or obtain a quote, please contact our sales team through the website or by phone, providing your specific requirements.
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