Calcium bromide is an inorganic salt with the molecular formula of CaBrtwo。It is colorless rhombic needle shaped crystal or crystal block, odorless, salty and bitter.The relative density is 3.353 (25 ℃).Extremely soluble in water, neutral aqueous solution, soluble in ethanol, acetone and acid, slightly soluble inmethanol、liquid ammonia, insoluble in ether or chloroform.AccessibleAlkali halideDouble salt is formed.It has strong moisture absorption.It is used for oil drilling, and also for manufacturing ammonium bromide and photosensitive paper, fire extinguishing agent, refrigerant, etc.It is used medicinally as a central nervous suppressant, with inhibitory and sedative effects, and is used for treatmentNeurasthenia, epilepsy, etc.
Chinese name
Calcium bromide
Foreign name
calcium bromide
chemical formula
CaBrtwo
molecular weight
one hundred and ninety-nine point eight nine
CAS login number
7789-41-5
EINECS login number
232-164-6[1]
Melting point
730 ℃(Micro decomposition)
Boiling point
806 to 812 ℃
Water solubility
Extremely soluble
Appearance
Colorless rhombic acicular crystal or crystal block
Application
Oil drilling, fire extinguishing agent, medicine, etc
Iron bromide Method: In the reactor containing water, add iron filings, add bromine in batches under stirring, react at 40 ℃ to generate ferrous bromide, add calcium hydroxide to adjust the pH value, heat to boiling, then cool and separate to remove ferrous hydroxide, evaporate and cool the filtrate to 30 ℃ for standing, decolorize, filter, evaporate to about 210 ℃, and then cool to produce calcium bromide.
Drug instructions
Announce
edit
Main ingredients: calcium bromide.
Molecular formula: CaBr2 · 2H2O
Character: injection.
Function indications: for treatmentepilepsy、TetanyEtc.It is reported that this product has good effect in rescuing acute fluoroacetamide poisoning. 5% 20~40ml is added to 40ml of 5% glucose solution for intravenous injection, once every 3~6 hours, and it can recover in 2~4 days.
Usage and dosage: intravenous injection: 10ml/time, slow injection.
Indications: central depressant, which can strengthen the inhibition process of cerebral cortex, has sedative effect, and is used forNeurastheniaAnd epilepsy, etc.?
Description: This product is a colorless and transparent liquid.?
Pharmacology and toxicology: Bromine ion can inhibit the activity of cerebral cortex and can be used for general sedation.Calcium ion also has a sedative effect, and the combination of the two can enhance the effect.
Usage and dosage: common dosage, intravenous injection, 0.25g-0.5g once, 0.75g-1.5g a day.
Precautions: This product should be slowly injected into 50% glucose injection. If it is directly injected, it must be slowly injected to avoid vascular irritation.
Medication for pregnant and lactating women: not yet clear.
