A1207212
                    Bentonite , Bentone38, applied to the polar solvent system , 1302-78-9
                            Synonym(s):
K-Catalyst;Montmorillinite clay, bentonite;Montmorillonite;Nanomer clay;Nanomer PGV
                            
                        
                CAS NO.:1302-78-9
Empirical Formula: Al2O3.4(SiO2).H2O
Molecular Weight: 360.31
MDL number: MFCD00130611
EINECS: 215-108-5
| Pack Size | Price | Stock | Quantity | 
| 500G | RMB111.20 | In Stock | 
                                                 | 
                                        
| 2.5KG | RMB447.20 | In Stock | 
                                                 | 
                                        
| others | Enquire | 
Update time: 2022-07-08
                    PRODUCT Properties
| Density | 2~3g/cm3 | 
                                    
| storage temp. | Store at room temperature, keep dry and cool | 
                                    
| solubility | Practically insoluble in water and in aqueous solutions. It swells with a little water forming a malleable mass. | 
                                    
| form | powder | 
                                    
| color | Light yellow or green, cream,pink, gray to black solid | 
                                    
| Odor | odorless, sl. earthy taste | 
                                    
| Water Solubility | Insoluble in water and forms a colloidal solution. | 
                                    
| Merck | 14,1055 | 
                                    
| Exposure limits | ACGIH: TWA 1 mg/m3 | 
                                    
| Dielectric constant | 8.1(Ambient) | 
                                    
| Stability: | Stable. | 
                                    
| CAS DataBase Reference | 1302-78-9 | 
                                    
| EPA Substance Registry System | Bentonite (1302-78-9) | 
                                    
Description and Uses
Bentonite is a light yellow, creamy, palebrown or gray to black powder or granules. These chemicals contain 1- 24% crystalline silica (O2Si). Specificgravity (H2O:1)=2.5. Hazard Identification (based onNFPA-704 M Rating System): Health 2, Flammability 1,Reactivity 0. Insoluble in water
filler in cosmetics and other products, gel, or solid if dry
Safety
| Symbol(GHS) | ![]() GHS07  | 
                                    
| Signal word | Warning | 
| Hazard statements | H319-H315-H335 | 
| Precautionary statements | P264-P280-P302+P352-P321-P332+P313-P362-P264-P280-P305+P351+P338-P337+P313P | 
| Risk Statements | 20/22-8 | 
| Safety Statements | 22-24/25 | 
| WGK Germany | 3 | 
| RTECS | CT9450000 | 
| TSCA | Yes | 
| Hazardous Substances Data | 1302-78-9(Hazardous Substances Data) | 
| Toxicity | LD50 intravenous in rat: 35mg/kg | 


