欧洲久久,久久精品视频一区,欧美日韩一区二区在线视频播放,久久精品观看,h片网,国产成人一区二区三区,奇米影视9999

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