Sodium 2-naphthalenesulfonate
Also known as: Sodium β-naphthalenesulfonate, 2-Naphthalenesulfonic acid sodium salt, Sodium naphthalene-2-sulfonate, Naphthalene-2-sulfonic acid sodium salt, Beta-naphthalenesulfonic acid sodium salt, Sodium 2-naphthalenesulfonate (1:1)
Sodium 2-naphthalenesulfonate (CAS 532-02-5) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C10H7NaO3S and a molecular weight of 230.215 g/mol. Key properties include a melting point of >275ºC (dec.) and a density of 1.423g/cm3. 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. It is listed by 1 supplier, from 120.00 to 120.00 CNY per 10g. Record last updated Nov 3, 2026.
- CAS No.
- 532-02-5
- Jingsj CID
- J-10526-4
- Molecular Formula
- C10H7NaO3S
- Molecular Weight
- 230.215 g/mol
- Category
- Organic Acids
- Last updated
- 11/3/2026
| Supplier | Purity / Pack | Base Price | Unit Price | Origin | |
|---|---|---|---|---|---|
In Stock | 离子对色谱级,≥99.0% 10g | ¥1,200.00 | $17.96 /gBest ¥120.00/g CNY | CN China MOQ 10g |
Physicochemical Properties
| Melting Point | >275ºC (dec.) |
|---|---|
| Density | 1.423g/cm3 |
| Exact Mass | 230.001358 |
| PSA | 65.58000 |
| LogP | 2.82470 |
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 2-naphthalenesulfonate?
The CAS number of Sodium 2-naphthalenesulfonate is 532-02-5.
What are the molecular formula and molecular weight of Sodium 2-naphthalenesulfonate?
Sodium 2-naphthalenesulfonate has molecular formula C10H7NaO3S and molecular weight 230.215 g/mol.
Which suppliers offer Sodium 2-naphthalenesulfonate?
1 supplier(s) listed; reference unit price ¥120.00–120.00 /g.
Is Sodium 2-naphthalenesulfonate hazardous?
Sodium 2-naphthalenesulfonate has GHS signal word Warning and hazard statements H315 — Causes skin irritation; H319 — Causes serious eye irritation; H335 — May cause respiratory irritation.
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 2-naphthalenesulfonate (CAS 532-02-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-10526-4 (accessed 2026-11-06).
Data for reference only; verify product details with suppliers before purchase.