溴化铷
rubidium bromide
CAS: 7789-39-1
Molecular Formula: BrRb
溴化铷 - Names and Identifiers
| Name | rubidium bromide |
| Synonyms | Rubidium-bromid RUBIDIUM BROMIDE rubidium bromide Rubidium bromide Rubidium monobromide Rubidium bromide (RbBr) |
| CAS | 7789-39-1 |
| EINECS | 232-162-5 |
| InChI | InChI=1/BrH.Rb/h1H;/q;+1/p-1 |
溴化铷 - Physico-chemical Properties
| Molecular Formula | BrRb |
| Molar Mass | 165.37 |
| Density | 3.35 g/mL at 25 °C (lit.) |
| Melting Point | 693 °C |
| Boling Point | 1340 °C |
| Flash Point | 1340°C |
| Water Solubility | Soluble in water |
| Vapor Presure | 20200mmHg at 25°C |
| Appearance | crystal |
| Specific Gravity | 3.35 |
| Color | white |
| Merck | 14,8283 |
| Storage Condition | Room Temprature |
| Stability | Stable. Incompatible with strong acids. |
| Sensitive | Hygroscopic |
| Refractive Index | 1.5530 |
| MDL | MFCD00011186 |
溴化铷 - Risk and Safety
| Safety Description | S22 - Do not breathe dust. S24/25 - Avoid contact with skin and eyes. |
| WGK Germany | 3 |
| TSCA | Yes |
溴化铷 - Reference Information
| EPA chemical substance information | information provided by: ofmpeb.epa.gov (external link) |
| physical properties | Rubidium bromide is a colorless crystal. The melting point is 693 ℃, the boiling point is 1337 ℃, and the relative density is 3.35. Soluble in water, liquid sulfur dioxide and liquid ammonia, acetone-soluble, insoluble in ethanol. Easy to generate double salt. |
| Use | Rubidium bromide is mainly used in the pharmaceutical industry and can also be used as a chemical reagent. |
| synthetic methods | There are many ways to synthesize Rubidium bromide. One is the reaction of rubidium hydroxide with hydrogen bromide: RbOH HBr → RbBr H2O; Another method is to neutralize Rubidium carbonate with hydrogen bromide: rb2CO3 2HBr → 2RbBr H2O CO2 |
| solubility in water (g/100ml) | grams dissolved per 100ml of water at different temperatures (℃): 90g/0 ℃;99g/10 ℃;108g/20 ℃;119g/30 ℃;132g/40 ℃ 158g/60 ℃ |
Last Update：2024-04-10 22:29:15
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