Fluorine Elemental Symbol

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Fluor Fluor Fluoro Flúor Flúor Fluor

Fluorine Element SymbolFluorine is a Block P, Group 17, Period 2 element. Its electron configuration is [He]2s22p5. The fluorine atom has a covalent radius of 64 pm and its Van der Waals radius is 135 pm. In its elemental form, CAS 7782-41-4, fluorine gas has a pale yellow appearance. Fluorine was discovered by André-Marie Ampère in 1810. It was first isolated by Henri Moissan in 1886.

Fluorine information, including technical data, safety data and its high purity properties, research, applications and other useful facts are specified below. Scientific facts such as the atomic structure, ionization energy, abundance on Earth, conductivity and thermal properties are included. For additional information please see the Fluoride Information Center.

  • Properties
  • Products
  • Research
  • Isotopes
  • Other Elements

Fluorine Properties

Symbol: F Melting Point: -219.67 oC, -363.406 oF, 53.48 K
Atomic Number: 9 Boiling Point: -188.11 oC, -306.598 oF, 85.04 K
Atomic Weight: 19.00 Density: (0 °C, 101.325 kPa 1.696 3 g/L
Element Category: halogen Liquid Density @ Melting Point: 1.505 g·cm−3
Group, Period, Block: 17 (halogens), 2, p Specific Heat: N/A
    Heat of Vaporization 6.51 kJ·mol−1
Electrons: 9 Thermal Conductivity: 0.02591 W·m−1·K−1
Protons: 9 Thermal Expansion: N/A
Neutrons: 10 Electrical Resistivity: N/A
Electron Configuration: [He]2s22p5 Electronegativity: 3.98 (Pauling scale)
Atomic Radius:   Tensile Strength: N/A
Covalent Radius: 64 pm Molar Heat Capacity: (Cp) (21.1 °C) 825 J·mol−1·K−1
(Cv) (21.1 °C) 610 J·mol−1·K−1
Van der Waals radius: 135 pm Young's Modulus: N/A
Oxidation States: -1 (oxidizes oxygen) Shear Modulus: N/A
Phase: gas Bulk Modulus: N/A
Crystal Structure: monoclinic Poisson Ratio: N/A
Magnetic Ordering: diamagnetic Mohs Hardness: N/A
1st Ionization Energy: 1,681 kJ·mol−1 Vickers Hardness: N/A
2nd Ionization Energy: 3,374 kJ·mol−1 Brinell Hardness: N/A
3rd Ionization Energy: 6,147 kJ·mol−1 Speed of Sound: N/A
CAS Number: 7782-41-4 Abundance in typical human body, by weight: N/A
ChemSpider ID: 4514530 Abundance in typical human body, by atom: N/A
PubChem CID: 5360525 Abundance in universe, by weight: N/A
MDL Number: N/A Abundance in universe, by atom: N/A
EC Number: N/A Discovered By: André-Marie Ampère
Beilstein Number: N/A Discovery Date: 1810
SMILES Identifier: [F]  
InChI Identifier: InChI=1S/F Other Names: Fluor, Fluoro

Fluorine Products

Recent Research & Development for Fluorine

  • Bin Li, Yaqiong Wang, Haibin Lin, Xianshu Wang, Mengqing Xu, Yating Wang, Lidan Xing, Weishan Li, Performance improvement of phenyl acetate as propylene carbonate-based electrolyte additive for lithium ion battery by fluorine-substituting, Journal of Power Sources, Volume 267, 1 December 2014
  • Songhak Yoon, Eugenio H. Otal, Alexandra E. Maegli, Lassi Karvonen, Santhosh K. Matam, Stefan G. Ebbinghaus, Bernhard Walfort, Hans Hagemann, Simone Pokrant, Anke Weidenkaff, Improved persistent luminescence of CaTiO3:Pr by fluorine substitution and thermochemical treatment, Journal of Alloys and Compounds, Volume 613, 15 November 2014
  • Xiang Lei Shi, Jian Tao Wang, Jian Nong Wang, Roughness improvement of fluorine-doped tin oxide thin films by using different alcohol solvents, Journal of Alloys and Compounds, Volume 611, 25 October 2014
  • Hong-Gi Oh, Hyo-Geun Nam, Dae-Hoon Kim, Min-Hye Kim, Kwang-Hwan Jhee, Kwang Soup Song, Neuroblastoma cells grown on fluorine or oxygen treated graphene sheets, Materials Letters, Volume 131, 15 September 2014
  • Jamieson K. Christie, Richard I. Ainsworth, Nora H. de Leeuw, Ab initio molecular dynamics simulations of structural changes associated with the incorporation of fluorine in bioactive phosphate glasses, Biomaterials, Volume 35, Issue 24, August 2014
  • Xiaochuan Li, Young-A Son, Efficient luminescence from easily prepared fluorine–boron core complexes based on benzothiazole and benzoxazole, Dyes and Pigments, Volume 107, August 2014
  • Yusuke Funasako, Tomoyuki Mochida, Takahiro Akasaka, Takahiro Sakurai, Hitoshi Ohta, Yutaka Nishio, Decamethyl- and octamethyl-ferrocenium salts of F1- and F2-TCNQ: Effects of fluorine substitution on the crystal structures and magnetic interactions, Inorganica Chimica Acta, Volume 419, 1 August 2014
  • O. Skhouni, A. El Manouni, M. Mollar, R. Schrebler, B. Marí, ZnTe thin films grown by electrodeposition technique on Fluorine Tin Oxide substrates, Thin Solid Films, Volume 564, 1 August 2014
  • T. De Caluwé, C.W.J. Vercruysse, S. Fraeyman, R.M.H. Verbeeck, The influence of particle size and fluorine content of aluminosilicate glass on the glass ionomer cement properties, Dental Materials, Available online 4 July 2014
  • H.R. Bakhsheshi-Rad, E. Hamzah, M. Daroonparvar, R. Ebrahimi-Kahrizsangi, M. Medraj, In-vitro corrosion inhibition mechanism of fluorine-doped hydroxyapatite and brushite coated Mg–Ca alloys for biomedical applications, Ceramics International, Volume 40, Issue 6, July 2014
  • Li Yun Zhao, Guang Ke Wang, Jian Hua Chen, Li Mei Zhang, Bo Liu, Jun Feng Zhang, Qi Hua Zhao, Ying Zhou, Erratum to “1,8-Naphthalimide-based visible colorimetric sensor for the selective sensing of fluoride, acetate and hydroxyl anions” [J. Fluorine Chem. 158 (2014) 53–59], Journal of Fluorine Chemistry, Volume 163, July 2014
  • Huarong Zhang, Guashuai Miao, Xingping Ma, Bei Wang, Haiwu Zheng, Enhancing the photocatalytic activity of nanocrystalline TiO2 by co-doping with fluorine and yttrium, Materials Research Bulletin, Volume 55, July 2014
  • Byung Cheol Sin, Sang Uck Lee, Bong-Soo Jin, Hyun-Soo Kim, Jik Soo Kim, Sang-Ick Lee, Jaegeun Noh, Youngil Lee, Experimental and theoretical investigation of fluorine substituted LiFe0.4Mn0.6PO4 as cathode material for lithium rechargeable batteries, Solid State Ionics, Volume 260, 1 July 2014
  • Tomoya Fujiwara, David O’Hagan, Successful fluorine-containing herbicide agrochemicals, Journal of Fluorine Chemistry, Available online 21 June 2014
  • Takashi Nihei, Yusuke Kubo, Takashi Ishihara, Tsutomu Konno, Highly regioselective SN2' reaction of ß-fluoroallylic phosphates with organocopper reagents and its application to the synthesis of fluorine-containing carbocycles, Journal of Fluorine Chemistry, Available online 21 June 2014
  • Kyuha Lee, A-Young Kim, Ji Hun Park, Hun-Gi Jung, Wonchang Choi, Hwa Young Lee, Joong Kee Lee, Effect of micro-patterned fluorine-doped tin oxide films on electrochromic properties of Prussian blue films, Applied Surface Science, Available online 20 June 2014
  • Ian Y.Y. Bu, Sol–gel production of wrinkled fluorine doped zinc oxide through hydrofluride acid, Ceramics International, Available online 14 June 2014
  • Zhensheng Li, Xiaojun Lv, Yong Chen, Wen-Fu Fu, Synthesis, structures and photophysical properties of boron–fluorine derivatives based on pyridine/1,8-naphthyridine, Dyes and Pigments, Volume 105, June 2014
  • Ahmet Kilic, Murat Aydemir, Mustafa Durgun, Nermin Meriç, Yusuf Selim Ocak, Armagan Keles, Hamdi Temel, Fluorine/phenyl chelated boron complexes: Synthesis, fluorescence properties and catalyst for transfer hydrogenation of aromatic ketones, Journal of Fluorine Chemistry, Volume 162, June 2014
  • V.T. Kasumov, F. Süzergöz, E. Sahin, Ö. Çelik, M. Aslanoglu, Synthesis, characterization and effect of the fluorine substitution on the redox reactivity and in vitro anticancer behaviors of N-polyfluorophenyl-3,5-di-tert-butylsalicylaldimines and their Cu(II) complexes, Journal of Fluorine Chemistry, Volume 162, June 2014

Fluorine Isotopes

Fluorine has one stable isotope: 19F.

Nuclide Symbol Isotopic Mass Half-Life Nuclear Spin
19F 18.99840322 Stable 1/2+