Barium hexafluorosilicate
Barium hexafluorosilicate
CAS: 17125-80-3
Molecular Formula: BaF6Si
Barium hexafluorosilicate - Names and Identifiers
Barium hexafluorosilicate - Physico-chemical Properties
| Molecular Formula | BaF6Si |
| Molar Mass | 279.4 |
| Density | d421 4.29 |
| Melting Point | decomposes at 300℃ [MER06] |
| Water Solubility | 0.015g/100mL H2O (0°C), 0.0235 (25°C), 0.091 (100°C) [MER06] |
| Solubility | Aqueous Acid (Slightly, Heated, Sonicated) |
| Appearance | white orthorhombic needles |
| Color | White or colorless rhombohedral crystallinepowder |
| Solubility Product Constant(Ksp) | pKsp: 6 |
| Storage Condition | Refrigerator, under inert atmosphere |
| Use | For the manufacture of silicon tetrafluoride, can also be used in ceramics and as pesticides |
Barium hexafluorosilicate - Risk and Safety
| Risk Codes | 20/22 - Harmful by inhalation and if swallowed. |
| Safety Description | 28 - After contact with skin, wash immediately with plenty of soap-suds. |
| UN IDs | UN 1564 6.1/PG 3 |
| WGK Germany | 1 |
| RTECS | CR0525000 |
| Hazard Note | Irritant |
| Hazard Class | 6.1(b) |
| Packing Group | III |
| Toxicity | LD50 orl-rat: 175 mg/kg AFDOAQ 15,122,51 |
Barium hexafluorosilicate - Reference Information
| EPA chemical substance information | information provided by: ofmpeb.epa.gov (external link) |
| solubility in water (g/100ml) | grams dissolved per 100ml of water: 2.8 × 10-2/20 ℃ |
| Use | for the manufacture of silicon tetrafluoride, also for ceramics and for pesticides |
| category | toxic substances |
| toxicity grade | high toxicity |
| Acute toxicity | oral-rat LD50: 175 mg/kg |
| flammability hazard characteristics | reaction with acid to produce toxic hydrogen fluoride gas; toxic fluoride smoke by thermal decomposition |
| storage and transportation characteristics | The warehouse is ventilated and dried at low temperature; Separate storage and transportation from food and acids |
| extinguishing agent | Sand, carbon dioxide |
| Occupational Standard | TWA 0.5 mg (barium)/m3; TWA 2.5 mg (fluoride)/M3 |
Last Update：2024-04-10 22:29:15
