A6154912
                    2-Naphthalenesulfonic Acid Hydrate , 98% , 120-18-3
CAS NO.:120-18-3
Empirical Formula: C10H8O3S
Molecular Weight: 208.23
MDL number: MFCD00004089
EINECS: 204-375-3
| Pack Size | Price | Stock | Quantity | 
| 5g | RMB23.20 | In Stock | 
                                                 | 
                                        
| 25G | RMB37.60 | In Stock | 
                                                 | 
                                        
| 100G | RMB84.00 | In Stock | 
                                                 | 
                                        
| 500G | RMB304.80 | In Stock | 
                                                 | 
                                        
| others | Enquire | 
Update time: 2022-07-08
                    PRODUCT Properties
| Melting point: | 124 °C | 
                                    
| Boiling point: | 317.43°C (rough estimate) | 
                                    
| Density | 1.44 g/cm | 
                                    
| vapor pressure | 2.33Pa at 20℃ | 
                                    
| refractive index | 1.4998 (estimate) | 
                                    
| storage temp. | Inert atmosphere,Room Temperature | 
                                    
| solubility | water: freely soluble(lit.) | 
                                    
| pka | 0.27±0.10(Predicted) | 
                                    
| form | solid | 
                                    
| color | White | 
                                    
| Water Solubility | Soluble in water. | 
                                    
| Sensitive | Hygroscopic | 
                                    
| Merck | 6377 | 
                                    
| LogP | -0.944 at 23℃ | 
                                    
| CAS DataBase Reference | 120-18-3(CAS DataBase Reference) | 
                                    
| EPA Substance Registry System | 2-Naphthalenesulfonic acid (120-18-3) | 
                                    
Description and Uses
Starting point in the manufacture of β-naphthol, β-naphtholsulfonic acid, β-naphthylaminesulfonic acid, etc.
Safety
| Symbol(GHS) | ![]() GHS05  | 
                                    
| Signal word | Danger | 
| Hazard statements | H290-H314 | 
| Precautionary statements | P260-P280-P301+P330+P331-P303+P361+P353-P305+P351+P338+P310 | 
| Hazard Codes | C,F | 
| Risk Statements | 35-34-11 | 
| Safety Statements | 26-36/37/39-45-16 | 
| RIDADR | UN 2583 8/PG 2 | 
| WGK Germany | 1 | 
| RTECS | QK1225000 | 
| Hazard Note | Corrosive | 
| TSCA | Yes | 
| HazardClass | 8 | 
| PackingGroup | III | 
| HS Code | 2904100090 | 
| Limited Quantities | 1.0 L (0.3 gallons) (liquid) or 1 Kg (2.2 lbs) (solid) | 
| Excepted Quantities | Max Inner Pack (30g or 30ml) and Max Outer Pack (500g or 500ml) | 





