Sodium rhodizonate
Also known as: Rhodizonic acid disodium salt, Rhodizonic acid sodium salt, Disodium rhodizonate, 5,6-Dihydroxy-5-cyclohexene-1,2,3,4-tetrone disodium salt, 3,4,5,6-Tetraoxocyclohexene-1,2-diol disodium salt, Sodium 3,4,5,6-tetraoxocyclohex-1-ene-1,2-diolate, Disodium 3,4,5,6-tetraoxo-1-cyclohexene-1,2-diolate, MFCD00001650, EINECS 208-340-3
Sodium rhodizonate (CAS 523-21-7) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C6Na2O6 and a molecular weight of 214.040 g/mol. Key properties include a melting point of 300 °C, a boiling point of 346.7ºC at 760 mmHg and a flash point of 177.7ºC. It is listed by 2 suppliers, 1 of which publish reference prices, from 4.00 to 19.00 CNY. Record last updated Aug 21, 2026.
- CAS No.
- 523-21-7
- Jingsj CID
- J-3684-1
- Molecular Formula
- C6Na2O6
- Molecular Weight
- 214.040 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
| Supplier | Purity / Pack | Base Price | Unit Price | Origin | |
|---|---|---|---|---|---|
In Stock | AR 25g | ¥100.00 | $0.6 /gBest ¥4.00/g CNY | CN China MOQ 25g | |
In Stock | AR 10g | ¥60.00 | $0.9 /g ¥6.00/g CNY | CN China MOQ 10g | |
In Stock | AR 5g | ¥40.00 | $1.2 /g ¥8.00/g CNY | CN China MOQ 5g |
Physicochemical Properties
| Melting Point | 300 °C |
|---|---|
| Boiling Point | 346.7ºC at 760 mmHg |
| Flash Point | 177.7ºC |
| Exact Mass | 213.949020 |
| PSA | 114.40000 |
Customs & Trade Information
| HS Code | 2914299000 |
|---|---|
| Summary | 2914299000. other cyclanic, cyclenic or cyclotherpenic ketones without other oxygen function. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:5.5%. General tariff:30.0% |
Frequently Asked Questions
What is the CAS number of Sodium rhodizonate?
The CAS number of Sodium rhodizonate is 523-21-7.
What are the molecular formula and molecular weight of Sodium rhodizonate?
Sodium rhodizonate has molecular formula C6Na2O6 and molecular weight 214.040 g/mol.
Which suppliers offer Sodium rhodizonate?
2 supplier(s) listed; reference unit price ¥4.00–19.00 /g.
What are the upstream and downstream products of Sodium rhodizonate?
For Sodium rhodizonate, Downstream Products: Croconic acid, Cyclohexanehexone, Tetrahydroxyquinone.
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 rhodizonate (CAS 523-21-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-3684-1 (accessed 2026-11-06).
Data for reference only; verify product details with suppliers before purchase.