50-15,000 centistokes, comprising a compound of the above formula, or of formula wherein R1 and R11 are C1- 4 alkyl, Z is as defined above, a and b are 0-3, x is 1 to 5-a, z is 0 to 5-b, and the sum of x + z is at least one third of but not greater than the...
Its symbol is Br. Molecular formula of Bromine is: Br2 Bromine is like chlorine, fluorine, and iodine. It is one of the elements in the chemical group which is “halogens”. Bromine was discovered as a chemical element until 1826 when the French chemist Antoine Ballard isolated it from chl...
A liquid crystal compound represented by the following general formula (1), which possess a large spontaneous polarization about room temperature and a liquid crystal composition containing a liquid crystal compound represented by the following general formula (1) ##STR1## wherein R 1 represents C...
Enhanced Chlorine Shock for Hot Tubs A chlorine-based hot tub shock helps treat cloudy water, kill bacteria and algae, and remove contaminants after heavy hot tub usage. This formula also contains an oxidizer, which will help break apart any combined chlorine or bromine that's been used up ...
1. Direct method: First, a mixture of hydrogen and chlorine gas (3:1) is introduced into a steel cylinder and reacts under light to generate hydrogen chloride gas. Then, the hydrochloric acid generated by absorption with hot concentrated sulfuric acid is concentrated and cooled to produce fumin...
bromine is somewhat in the middle when its reactivity is compared to chlorine and iodine. this element can be considered as one of the most reactive elements. bromine bond energies tend to be lower than chlorine bond energies but higher than iodine bond energies, and bromine is a weaker ...
In addition, bromine is more stable than chlorine in the presence of hypobromic acid, and is more stable in the presence of hypobromic acid under sunlight. Meanwhile, bromine is toxic and highly corrosive. In terms of solubility, bromine is slightly soluble in water, with a solubility of ...
Partitioning of Chlorine Between Nacl Brines and Ferro-Pargasite: Implications For the Formation of Chlorine-Rich Amphiboles In Mafic Rocks Determining the partitioning of chloride between fluid and rock has relevance to a wide range of geological processes, including high-grade metamorphism, e... A...
Corrosive to eyes, skin, and respiratory tract; [CHEMINFO MSDS] Decomposes above 50 degrees F with release of chlorine gas; [Hawley] Contact with liquefied gas may cause frostbite; [CAMEO] Causes lachrymation. Inhalation of high concentration may cause pneumonitis and pulmonary edema; [ICSC] See...
Brominecrustal abundance is 1.6x10-4% by mass, the total quantity is estimated as 1015-1016tons. MostlyBromineoccurred as bromide salts (NaBr,KBr, andBr2) in very diffuse amounts in magmatic rocks as a permanent satellite of chlorined salts with concentrations 0.03%Brominein halite (rock salt...