Products Description
The substance with CAS number 787-69-9 is 4,4'-Diacetylbiphenyl, also known as 1-(4-acetyl[1,1-biphenyl]-4-yl)ethanone, also known as DAPB. The molecular formula is C₁₆H₁₄O₂, the molecular weight is 238.28, the PSA is 34.14000, and the LogP is 3.75880.
4,4'-Diacetylbiphenyl has the appearance of a white solid, a density of 1.094 g/cm³, a melting point of 193 - 195 °C (lit.), a boiling point of 386.5 ºC at 760 mmHg, and a refractive index of 1.523.


Basic Info
| Product Name | 4,4'-Diacetylbiphenyl |
| CAS NO. | 787-69-9 |
| Appearance | White powder |
| Purity | 99% |
| Melting point | 193-195°C (dec.) (lit.) |
| Boiling point | 340.88°C |
| Density | 1.0918 |
| Application | Pharmaceutical intermediates |
Safety Information
Hazard category code: R20/21/22; R36/37/38
Safety instructions: S60-S61-S36/37/39-S26
Dangerous goods mark: XN
Dangerous goods transport code: UN3077 9/PG 3
![CAS 787-69-9 | 1-(4 -acetyl[1,1 -biphenyl]-4-yl)ethanone CAS 787-69-9 | 1-(4 -acetyl[1,1 -biphenyl]-4-yl)ethanone](/uploads/40900/products/p2025020809391399633.jpg?size=800x0)
Uses
4,4'-Diacetylbiphenyl is an important pharmaceutical chemical intermediate that can be used to synthesize daclatasvir, which can be used as a candidate drug for the treatment of hepatitis C. In the field of materials science, it can be used to prepare conjugated microporous materials.
Company Profile
Gnee Chem is an enterprise specialising in the research, development, production and sales of phytochemicals and fine chemicals.Our factory was established in 2016 and is located in Henan Province, covering an area of 3,600 square metres. We have a professional, well-equipped and high-quality R&D team with more than 10 years of R&D experience. Our products are widely exported to many countries, such as the United States, Russia, Canada, Australia, Europe, etc., and we provide customers with fast shipping services. We hope to establish long-term and mutually beneficial cooperation with more friends in the future, and provide the best products and services for our customers.


![1-(4 -acetyl[1,1 -biphenyl]-4-yl)ethanone 1-(4 -acetyl[1,1 -biphenyl]-4-yl)ethanone](/uploads/40900/products/p2025020709235431f87.jpg?size=800x0)

FAQ
Can your company accept customisation and meet customers' special specifications?
Yes, we can.
What are your payment terms?
Wire transfer, paypal, western union, money order and bitcoin.
What is your delivery time?
We usually ship within 1-3 days after receiving your payment.
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![CAS 787-69-9 | 1-(4 -acetyl[1,1 -biphenyl]-4-yl)ethanone](/uploads/40900/cas-787-69-9-4-4-diacetylbiphenyl0f932.jpg)

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