81-04-9
| Name | 1,5-Naphthalenedisulfonic acid |
| CAS | 81-04-9 |
| EINECS(EC#) | 216-732-0 |
| Molecular Formula | C10H8O6S2 |
| MDL Number | MFCD00064178 |
| Molecular Weight | 288.3 |
| MOL File | 81-04-9.mol |
Chemical Properties
| Melting point | 242.5°C (rough estimate) |
| Boiling point | 400.53°C (rough estimate) |
| bulk density | 900kg/m3 |
| density | 1.7040 |
| vapor pressure | 0Pa at 25℃ |
| refractive index | 1.5630 (estimate) |
| storage temp. | Store below +30°C. |
| solubility | 1030 g/L |
| pka | -0.60±0.40(Predicted) |
| color | Crystals or plates |
| PH | 2.4 (20°C, 1g/L in H2O) |
| Water Solubility | 90.52g/L at 25℃ |
| InChI | InChI=1S/C10H8O6S2/c11-17(12,13)9-5-1-3-7-8(9)4-2-6-10(7)18(14,15)16/h1-6H,(H,11,12,13)(H,14,15,16) |
| InChIKey | XTEGVFVZDVNBPF-UHFFFAOYSA-N |
| SMILES | C1(S(O)(=O)=O)=C2C(C(S(O)(=O)=O)=CC=C2)=CC=C1 |
| LogP | -0.94 |
| CAS DataBase Reference | 81-04-9(CAS DataBase Reference) |
| EPA Substance Registry System | 81-04-9(EPA Substance) |
Safety Data
| Symbol(GHS) |  GHS05 |
| Signal word | Danger |
| Hazard statements | H314-H318 |
| Precautionary statements | P260-P280-P301+P330+P331-P303+P361+P353-P304+P340-P305+P351+P338-P310 |
| Hazard Codes | C |
| Risk Statements | |
| Safety Statements | |
| RIDADR | UN 2585 |
| WGK Germany | 1 |
| TSCA | TSCA listed |
| REACH Registrations | Active |
| HazardClass | 8 |
| PackingGroup | III |
| HS Code | 2904100090 |
| Storage Class | 8A - Combustible, corrosive hazardous materials |
| Hazard Classifications | Eye Dam. 1 Met. Corr. 1 Skin Corr. 1B |
| Toxicity |