Sodium benzenesulfonate
Also known as: Benzenesulfonic acid sodium salt, Benzenesulfonic acid, sodium salt, Sodium benzene sulphonate, Sodium benzenesulphonate, Sodium benzene monosulfonate, sodiumbenzenemonosulfonate, sodiumbenzosulfonate, sodium,benzenesulfonate, EINECS 208-198-2, MFCD00065179
Sodium benzenesulfonate (CAS 515-42-4) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C6H5NaO3S and a molecular weight of 180.157 g/mol. Key properties include a melting point of 450 °C, a density of 1.124 g/mL at 25 °C(lit.) and a flash point of 19°C(lit.). It is classified under GHS with signal word Warning and hazard statements H315 — Causes skin irritation, H319 — Causes serious eye irritation and H335 — May cause respiratory irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 515-42-4
- Jingsj CID
- J-8010-4
- Molecular Formula
- C6H5NaO3S
- Molecular Weight
- 180.157 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 450 °C |
|---|---|
| Density | 1.124 g/mL at 25 °C(lit.) |
| Flash Point | 19°C(lit.) |
| Exact Mass | 179.985703 |
| PSA | 65.58000 |
| LogP | 1.67150 |
| Additional Property | soluble |
GHS Safety & Compliance
- H315 — Causes skin irritation
- H319 — Causes serious eye irritation
- H335 — May cause respiratory irritation
Customs & Trade Information
| HS Code | 2904100000 |
|---|---|
| Summary | 2904100000 derivatives containing only sulpho groups, their salts and ethyl esters。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:5.5%。General tariff:30.0% |
Frequently Asked Questions
What is the CAS number of Sodium benzenesulfonate?
The CAS number of Sodium benzenesulfonate is 515-42-4.
What are the molecular formula and molecular weight of Sodium benzenesulfonate?
Sodium benzenesulfonate has molecular formula C6H5NaO3S and molecular weight 180.157 g/mol.
Is Sodium benzenesulfonate hazardous?
Sodium benzenesulfonate has GHS signal word Warning and hazard statements H315 — Causes skin irritation; H319 — Causes serious eye irritation; H335 — May cause respiratory irritation.
What are the upstream and downstream products of Sodium benzenesulfonate?
For Sodium benzenesulfonate, Upstream Products: Benzenesulfonic acid, Sodium benzenesulfinate, Methyl benzenesulfonate; Downstream Products: 1,3-Benzenedisulfonyl dichloride, Bis(phenylsulfonyl)sulfide, 1-(Phenylsulfonyl)propan-2-one.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Sodium benzenesulfonate (CAS 515-42-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-8010-4 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.