HuagongsheHuagongshe Chemistry Print Report · For research reference only
1,3-Naphthalenedisulfonic acid, 7-hydroxy-, potassium salt (1:?)
Monopotassium 2-naphthol-6,8-disulfonate · 2-Naphthol-6,8-disulfonic Acid Potassium Salt · ipotassium,7-hydroxynaphthalene-1,3-disulfonate · 7-hydroxy-1,3-naphthalenesulfonic acid, potassium salt · 3-naphthalenedisulfonic acid, 7-hydroxy- potassiumsalt · 3-naphthalenedisulfonic acid, 7-hydroxy- potassium salt · 1,3-Naphthalenedisulfonic acid,7-hydroxy-,potassium salt · 7-hydroxynaphthalene-1,3-disulphonic acid, potassium salt
Identifiers & Physical Properties
| CAS No. | 13846-08-7 |
|---|---|
| Molecular formula | C10H6K2O7S2 |
| Average molar mass | 380.5 g/mol |
| Monoisotopic mass | 379.88290789 g/mol |
| SMILES | O=S(=O)([O-])c1cc(S(=O)(=O)[O-])c2cc(O)ccc2c1.[K+].[K+] |
| InChIKey | LKDMVWRBMGEEGR-UHFFFAOYSA-L |
| PubChem CID | 70050 |
| EC No. | 212-672-4 |
| DTXSID | DTXSID60889439 |
Chemical & Physical Properties
| Topological polar surface area | 151 |
|---|---|
| Hydrogen bond donors | 1 |
| Hydrogen bond acceptors | 7 |
| Rotatable bonds | 0 |
| Heavy atoms | 21 |
| Formal charge | 0 |
| Complexity | 501 |
| Melting point | >300°C |
| Storage conditions | Hygroscopic, Refrigerator, under inert atmosphere |
| Solubility | DMSO, Methanol (Slightly) |
| Physical state | Solid |
| Color | Off-White |
| EPA Substance Registry System | 1,3-Naphthalenedisulfonic acid, 7-hydroxy-, potassium salt (13846-08-7) |
| TSCA inventory status | TSCA listed |
Safety & Regulations
| GHS classification | This chemical does not meet GHS hazard criteria for 9.1% (4 of 44) of reports.WarningH319 (90.9%): Causes serious eye irritation [Warning Serious eye damage/eye irritation]P261, P264+P265, P271, P280, P304+P340, P305+P351+P338, P319, P337+P317, P403+P233, P405, and P501 (click each P-code to see the statement)Aggregated GHS information provided per 44 reports by companies from 4 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies. |
|---|---|
| Regulatory information | REACH registered substance: Dipotassium 7-hydroxynaphthalene-1,3-disulphonate (EC: 212-672-4)Dipotassium 7-hydroxy-1,3-naphthalenedisulfonate: Does not have an individual approval but may be used under an appropriate group standard |
| Hazard Classes and Categories | Eye Irrit. 2 (90.9%) |
| TSCA inventory status | TSCA listed |
Applications & Uses
Uses
2-Naphthol-6,8-disulfonic Acid Potassium Salt is a salt of 2-Naphthol-6,8-disulfonic Acid (N368023). 2-Naphthol-6,8-disulfonic acid is a useful research chemical for organic synthesis and other chemical processes. A reagent used in the preparation of food dyes with numerous applications.