Molecular Formula | Br2Ca |
Molar Mass | 199.89 |
Density | 3.353 g/mL at 25 °C (lit.) |
Melting Point | 730°C |
Boling Point | 806-812°C |
Flash Point | 806-812°C |
Water Solubility | Soluble in water, methanol, ethanol and acetone. Insoluble in dioxane, chloroform and ether. |
Vapor Presure | 0Pa at 25℃ |
Appearance | beads |
Specific Gravity | 3.353 |
Color | White to off-white |
Merck | 14,1654 |
Stability | hygroscopic |
Sensitive | Hygroscopic |
Physical and Chemical Properties | Character: colorless, oblique-like crystal or crystal block. Odorless, salty and bitter. melting point 730 ℃ (micro-decomposition) boiling point 806~812 ℃ relative density 3.353(25 ℃) solubility: very soluble in water; Soluble in ethanol, acetone and acid; Slightly soluble in methanol, liquid ammonia; Insoluble in ether or chloroform. |
Use | Mainly used as offshore oil drilling and completion fluid, cementing fluid, workover fluid |
Hazard Symbols | Xi - Irritant |
Risk Codes | R38 - Irritating to the skin R41 - Risk of serious damage to eyes |
Safety Description | S22 - Do not breathe dust. S24/25 - Avoid contact with skin and eyes. S39 - Wear eye / face protection. S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. |
WGK Germany | 2 |
RTECS | EV9328000 |
TSCA | Yes |
colorless oblique crystal or crystal block, odorless, salty and bitter. Relative density 3. 353 (25 ℃), melting point 730 ℃ (micro decomposition), boiling point 806~812 ℃. Very soluble in water, aqueous solution is neutral; Soluble in ethanol, acetone and acid, slightly soluble in methanol, liquid ammonia; Insoluble in B
Ether or chloroform. A double salt may be formed with an alkali metal halide. Has a strong hygroscopicity.
used in oil drilling, also used in the manufacture of ammonium bromide and photosensitive paper, fire extinguishing agent, refrigerant and so on. Medicine used as a central nervous depressant, with inhibition, sedation, for the treatment of neurasthenia, epilepsy and other diseases.