3',4'-Dichloro[1,1'-biphenyl]-4-sulfonyl chloride
3',4'-二氯-[1,1'-联苯]-4-磺酰氯
Also known as: 3',4'-Dichlorobiphenyl-4-sulfonyl chloride, 4-(3,4-dichlorophenyl)benzenesulfonyl chloride, [1,1'-Biphenyl]-4-sulfonyl chloride, 3',4'-dichloro-
3',4'-Dichloro[1,1'-biphenyl]-4-sulfonyl chloride (CAS 501697-80-9) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C12H7Cl3O2S and a molecular weight of 321.60700 g/mol. It is also known as 3',4'-Dichlorobiphenyl-4-sulfonyl chloride, 4-(3,4-dichlorophenyl)benzenesulfonyl chloride and [1,1'-Biphenyl]-4-sulfonyl chloride, 3',4'-dichloro-. Key properties include a melting point of 105ºC, a boiling point of 429.8ºC at 760 mmHg, a density of 1.493g/cm3 and a flash point of 213.7ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 501697-80-9
- Jingsj CID
- J-1509731-6
- Molecular Formula
- C12H7Cl3O2S
- Chinese Name
- 3',4'-二氯-[1,1'-联苯]-4-磺酰氯
- Molecular Weight
- 321.60700 g/mol
- Category
- Aromatic Hydrocarbons
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 105ºC |
|---|---|
| Boiling Point | 429.8ºC at 760 mmHg |
| Density | 1.493g/cm3 |
| Flash Point | 213.7ºC |
| Exact Mass | 319.92300 |
| PSA | 42.52000 |
| LogP | 5.66870 |
| Refractive Index | 1.611 |
Customs & Trade Information
| HS Code | 2904909090 |
|---|---|
| Summary | HS:2904909090 sulphonated, nitrated or nitrosated derivatives of hydrocarbons, whether or not halogenated VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:5.5% General tariff:30.0% |
Frequently Asked Questions
What is the CAS number of 3',4'-Dichloro[1,1'-biphenyl]-4-sulfonyl chloride?
The CAS number of 3',4'-Dichloro[1,1'-biphenyl]-4-sulfonyl chloride is 501697-80-9.
What are the molecular formula and molecular weight of 3',4'-Dichloro[1,1'-biphenyl]-4-sulfonyl chloride?
3',4'-Dichloro[1,1'-biphenyl]-4-sulfonyl chloride has molecular formula C12H7Cl3O2S and molecular weight 321.60700 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "3',4'-Dichloro[1,1'-biphenyl]-4-sulfonyl chloride (CAS 501697-80-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1509731-6 (accessed 2026-10-28).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.