PRODUCT Properties
| Melting point: | 231-232° (U.S. patent); mp 238-239° (P'an) | 
                                    
| Boiling point: | 680.6±65.0 °C(Predicted) | 
                                    
| Density | 1.4176 (rough estimate) | 
                                    
| refractive index | 1.6100 (estimate) | 
                                    
| storage temp. | Refrigerator | 
                                    
| solubility | DMSO (Slightly), Methanol (Slightly) | 
                                    
| form | Solid | 
                                    
| pka | 9.57±0.20(Predicted) | 
                                    
| color | White to Off-White | 
                                    
| Water Solubility | 2.8mg/L(room temperature) | 
                                    
| EPA Substance Registry System | 2H-1,2,4-Benzothiadiazine-7-sulfonamide, 6-chloro-3-[[(phenylmethyl)thio]methyl]-, 1,1-dioxide (91-33-8) | 
                                    
Description and Uses
Benzthiazide is a diuretic, antihypertensive agent.
Safety
| Symbol(GHS) | ![]() GHS08  | 
                                    
| Signal word | Danger | 
| Hazard statements | H317-H334 | 
| Precautionary statements | P261-P280-P342+P311 | 
| Hazard Codes | Xn | 
| Risk Statements | 42/43 | 
| Safety Statements | 26-36 | 
| WGK Germany | 2 | 
| RTECS | DK8400000 | 
| Hazardous Substances Data | 91-33-8(Hazardous Substances Data) | 
| Toxicity | LD50 in mice, rats (mg/kg): >5000, >10000 orally; 410, 422 i.v. (P'an) | 





