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Bromine
Product name: Bromine
Alias: Bromine solution, Bromine water, Bromine (Standard State)
CAS : 7726-95-6
EINECS : 231-778-1
Chemical formula : Br2
Molecular Weight : 159.808
inchi : InChI = 1 / Br2 / c1-2
Density : 2.91g / cm3
Melting point: -7.2 ℃
Boiling point: 58.8 ° C at 760 mmHg
Water solubility: 35 g / L (20 ℃)
Vapor pressure: 190mmHg at 25 ° C
Refractive index: 1.55
Physicochemical
Property: Red-brown fuming liquid.
Melting point: -7.2 ℃
Boiling point: 58.78 ℃
Relative Density: 3.119 (20 ° C)
Solubility: Slightly soluble in water with a solubility of 3.58g / 100ml water (20 ℃); easily soluble in various organic solvents such as ethanol, ether, chloroform, carbon tetrachloride, kerosene and carbon disulfide; also soluble in hydrochloric acid, Hydrobromic acid and Bromine compound solution.
Group 17 (VIIA) elements. Atomic number 35. Stable isotopes 79,81. Density (liquid) 3.119 g / cm3. Melting point -7.2 ° C. The boiling point is 58.8 ° C. The main oxidation states are -1, +1, +5, +7. Dark red liquid. volatile. It has a choking odor. Very toxic! Burns skin, severely irritates mucous membranes and respiratory tract. Slightly soluble in water. Easily soluble in organic solvents. Chemical activity is slightly worse than chlorine. Can be combined with most metals and non-metals. Strong oxidant, bromine is mainly present in seawater as alkali metal bromide. Extractable from bromide in seawater
Product Uses: Mainly used for the preparation of bromide, and used in medicine, pesticides, dyes, spices, photographic materials, fire extinguishing agents, beneficiation, metallurgy, tanning, water purification and other departments as common analytical reagents, oxidants, ethylene and heavy carbon Absorbent for hydrogen compounds and brominating agent for organic synthesis
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