4-Chlorobenzenesulfinic acid
对氯苯亚磺酸
Also known as: p-chlorobenzenesulphinic acid, Benzenesulfinic acid, 4-chloro-, 4-Chlorobenzenesulfinicacid, 4-chlorobenzenesulphinic acid, P-CHLORO BENZENE SULFINIC ACID
4-Chlorobenzenesulfinic acid (CAS 100-03-8) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C6H5ClO2S and a molecular weight of 176.621 g/mol. It is also known as p-chlorobenzenesulphinic acid, Benzenesulfinic acid, 4-chloro- and 4-Chlorobenzenesulfinicacid. Key properties include a melting point of 93 - 95ºC, a boiling point of 363.9±44.0 °C at 760 mmHg, a density of 1.6±0.1 g/cm3 and a flash point of 173.9±28.4 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 100-03-8
- Jingsj CID
- J-1365027-4
- Molecular Formula
- C6H5ClO2S
- Chinese Name
- 对氯苯亚磺酸
- Molecular Weight
- 176.621 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 93 - 95ºC |
|---|---|
| Boiling Point | 363.9±44.0 °C at 760 mmHg |
| Density | 1.6±0.1 g/cm3 |
| Flash Point | 173.9±28.4 °C |
Frequently Asked Questions
What is the CAS number of 4-Chlorobenzenesulfinic acid?
The CAS number of 4-Chlorobenzenesulfinic acid is 100-03-8.
What are the molecular formula and molecular weight of 4-Chlorobenzenesulfinic acid?
4-Chlorobenzenesulfinic acid has molecular formula C6H5ClO2S and molecular weight 176.621 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "4-Chlorobenzenesulfinic acid (CAS 100-03-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1365027-4 (accessed 2026-10-22).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.