2-Hydroxybenzenesulfonic acid
Also known as: o-Hydroxybenzenesulfonic acid, Phenol-2-sulfonic acid, o-Phenolsulfonic acid, 2-Sulfophenol, Aseptol, Calcium Dobesilate Impurity 13, Benzenesulfonic acid, 2-hydroxy-
2-Hydroxybenzenesulfonic acid (CAS 609-46-1) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C6H6O4S and a molecular weight of 174.17400 g/mol. Key property: a melting point of 145ºC. It is listed by 1 supplier, from 4,800.00 to 6,500.00 CNY. Record last updated Aug 21, 2026.
- CAS No.
- 609-46-1
- Jingsj CID
- J-1117469-9
- Molecular Formula
- C6H6O4S
- Molecular Weight
- 174.17400 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
| Supplier | Purity / Pack | Base Price | Unit Price | Origin | |
|---|---|---|---|---|---|
Made to OrderPlatform-operated | 99% 25g | ¥120,000.00 | $718.29 /gBest ¥4,800.00/g CNY | CN China MOQ 25g | |
Made to OrderPlatform-operated | 99% 5g | ¥30,000.00 | $897.86 /g ¥6,000.00/g CNY | CN China MOQ 5g | |
Made to OrderPlatform-operated | 99% 1g | ¥6,500.00 | $972.69 /g ¥6,500.00/g CNY | CN China MOQ 1g |
Physicochemical Properties
| Melting Point | 145ºC |
|---|---|
| Exact Mass | 173.99900 |
| PSA | 82.98000 |
| LogP | 1.71970 |
Customs & Trade Information
| HS Code | 2908999090 |
|---|---|
| Summary | 2908999090 halogenated, sulphonated, nitrated or nitrosated derivatives of phenols or phenol-alcohols。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 2-Hydroxybenzenesulfonic acid?
The CAS number of 2-Hydroxybenzenesulfonic acid is 609-46-1.
What are the molecular formula and molecular weight of 2-Hydroxybenzenesulfonic acid?
2-Hydroxybenzenesulfonic acid has molecular formula C6H6O4S and molecular weight 174.17400 g/mol.
Which suppliers offer 2-Hydroxybenzenesulfonic acid?
1 supplier(s) listed; reference unit price ¥4800.00–6500.00 /g.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "2-Hydroxybenzenesulfonic acid (CAS 609-46-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1117469-9 (accessed 2026-11-06).
Data for reference only; verify product details with suppliers before purchase.