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| Chlorine is a halogen, found in the periodic table in group 17. As the chloride ion, which is part of common salt and other compounds, it is abundant in nature and necessary to most forms of life, including humans. In its elemental form under standard conditions, chlorine is a powerful oxidant and is used in bleaching and disinfectants, as well as an essential reagent in the chemical industry. As a common disinfectant, chlorine compounds are used in swimming pools to keep them clean and sanitary. It is also used in making plastics, solvents for dry cleaning and metal degreasing, textiles, agrochemicals and pharmaceuticals, insecticides, dyestuffs, household cleaning products, etc. | |
Chemical Properties.
| Appearance | Pale Yellow-Green Gas |
| Atomic Number | 17 |
| Atomic Weight | 35.453 g/mol |
| Block | p |
| Boiling Point | -34.04 °C |
| CAS Number | 7782-50-5 |
| Class | 2.3 |
| Crystal Structure | Orthorhombic |
| Density | 3.2 g/l |
| EINECS Number | 231-959-5 |
| Electron Configuration | 1s2 2s2 2p6 3s2 3p5 |
| Group | 17 |
| Ionization Energy | 1251.2 KJ/mol |
| Melting Point | -101.5 °C |
| NFPA 704 | H-4,F-0,R-0,C-OXY |
| Oxidation State | 7,6,5,4,3,2,1,-1 |
| PG | NA |
| Period | 3 |
| RTECS Number | FO2100000 |
| Symbol | Cl |
| Synonyms | Chlorine Gas |
chlorine producer/supplier – http://www.worldofchemicals.com/chemicals/manufacturers/fl/chlorine.html
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