Potassium indigotrisulfonate
Also known as: Indigotrisulfonic acid potassium salt, Tripotassium indigo-5,5',7-trisulfonate, 5,5',7-Indigotrisulfonic acid tripotassium salt, Indigo trisulfonate potassium salt, TRIPOTASSIUM INDIGO-5,5',7-TRISULFONATE, 5,5',7-INDIGOTRISULFONIC ACID POTASSIUM SALT, PotassiuM indigotrisulfonate, tripotassium indigotrisulfonate, Tripotassium (2E)-3-oxo-2-(3-oxo-5-sulfonato-1,3-dihydro-2H-indol-2-ylidene)-5,7-indolinedisulfonate, Tripotassium (2E)-3-oxo-2-(3-oxo-5-sulfonato-1,3-dihydro-2H-indol-2-ylidene)indoline-5,7-disulfonate
Potassium indigotrisulfonate (CAS 67627-18-3) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C16H7K3N2O11S3 and a molecular weight of 616.72 g/mol. It is listed by 2 suppliers, 1 of which publish reference prices, from 180.00 to 500.00 CNY. Record last updated Aug 21, 2026.
- CAS No.
- 67627-18-3
- Jingsj CID
- J-1323843-4
- Molecular Formula
- C16H7K3N2O11S3
- Molecular Weight
- 616.72 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
| Supplier | Purity / Pack | Base Price | Unit Price | Origin | |
|---|---|---|---|---|---|
In Stock | >55.0%(LC) 5g | ¥900.00 | $26.94 /gBest ¥180.00/g CNY | CN China MOQ 5g | |
In Stock | >55.0%(LC) 1g | ¥240.00 | $35.91 /g ¥240.00/g CNY | CN China MOQ 1g | |
In Stock | 80% 5g | ¥2,250.00 | $67.34 /g ¥450.00/g CNY | CN China MOQ 5g |
Physicochemical Properties
| Exact Mass | 615.812317 |
|---|---|
| PSA | 254.94000 |
| LogP | 3.04550 |
| SMILES | C1=CC2=C(C=C1S(=O)(=O)[O-])C(=O)C(=N2)C3=C(C4=C(N3)C(=CC(=C4)S(=O)(=O)[O-])S(=O)(=O)[O-])O.[K+].[K+].[K+] |
| InChIKey | BANKRXMWIUVRAN-UHFFFAOYSA-K |
| InChI | 1S/C16H10N2O11S3.3K/c19-15-8-3-6(30(21,22)23)1-2-10(8)17-13(15)14-16(20)9-4-7(31(24,25)26)5-11(12(9)18-14)32(27,28)29;;;/h1-5,18,20H,(H,21,22,23)(H,24,25,26)(H,27,28,29);;;/q;3*+1/p-3 |
Customs & Trade Information
| Additional Information | 29333999 |
|---|
Frequently Asked Questions
What is the CAS number of Potassium indigotrisulfonate?
The CAS number of Potassium indigotrisulfonate is 67627-18-3.
What are the molecular formula and molecular weight of Potassium indigotrisulfonate?
Potassium indigotrisulfonate has molecular formula C16H7K3N2O11S3 and molecular weight 616.72 g/mol.
Which suppliers offer Potassium indigotrisulfonate?
2 supplier(s) listed; reference unit price ¥180.00–500.00 /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. "Potassium indigotrisulfonate (CAS 67627-18-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1323843-4 (accessed 2026-11-06).
Data for reference only; verify product details with suppliers before purchase.