A6163612
                    Niobium chloride , 99.9%metalsbasis , 10026-12-7
                            Synonym(s):
Niobium pentachloride;Niobium(V) chloride
                            
                        
                CAS NO.:10026-12-7
Empirical Formula: Cl5Nb
Molecular Weight: 270.17
MDL number: MFCD00011127
EINECS: 233-059-8
Update time: 2022-07-08
                    PRODUCT Properties
| Melting point: | 204.7 °C(lit.) | 
                                    
| Boiling point: | 254 °C(lit.) | 
                                    
| Density | 2.75 g/mL at 25 °C(lit.) | 
                                    
| bulk density | 1450kg/m3 | 
                                    
| vapor pressure | 22.8hPa at 153.8℃ | 
                                    
| Flash point: | 248.2°C | 
                                    
| storage temp. | no restrictions. | 
                                    
| solubility | Soluble in alcohol, hydrochloric acid, carbon tetrachloride and chloroform. | 
                                    
| form | powder | 
                                    
| color | Yellow | 
                                    
| Specific Gravity | 2.75 | 
                                    
| Water Solubility | Soluble in water, alcohol, HCl, and Carbon tetrachloride. | 
                                    
| Sensitive | Moisture Sensitive | 
                                    
| Merck | 14,6557 | 
                                    
| CAS DataBase Reference | 10026-12-7(CAS DataBase Reference) | 
                                    
| EPA Substance Registry System | Niobium chloride (NbCl5) (10026-12-7) | 
                                    
Description and Uses
Used to form mixed chloro-aryloxide compounds, such as [Nb(OC6H3-2,6-i-Pr2)2Cl3]2, which form pyridine or phosphine adducts with a distorted six-coordinate geometry.†
Safety
| Symbol(GHS) | ![]() ![]() GHS05,GHS07  | 
                                    
| Signal word | Danger | 
| Hazard statements | H302-H314-H335 | 
| Precautionary statements | P260-P270-P280-P301+P312-P303+P361+P353-P305+P351+P338 | 
| Hazard Codes | C,Xi | 
| Risk Statements | 20/21/22-34 | 
| Safety Statements | 26-27-28-36/37/39 | 
| RIDADR | UN 3260 8/PG 2 | 
| WGK Germany | 3 | 
| RTECS | QU0350000 | 
| F | 21 | 
| TSCA | Yes | 
| HazardClass | 8 | 
| PackingGroup | III | 
| HS Code | 28273985 | 
| Toxicity | LD50 in mice (mg/kg): 61 i.p., 940 orally (Haley); LD50 in mice, rats (mg/kg): 829, 1400 orally (Zhilova, Kasparov) | 
| 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) | 








