Periodic Table of Elements

Element Bromine - Br

Comprehensive data on the chemical element Bromine is provided on this page; including scores of properties, element names in many languages, most known nuclides of Bromine. Common chemical compounds are also provided for many elements. In addition technical terms are linked to their definitions and the menu contains links to related articles that are a great aid in one's studies.

Bromine Menu

Overview of Bromine

Bromine's Name in Other Languages

  • Latin: Bromum
  • Czech: Brom
  • Croatian: Brom
  • French: Brome
  • German: Brom - r
  • Italian: Bromo
  • Norwegian: Brom
  • Portuguese: Bromo
  • Russian: Бром
  • Spanish: Bromo
  • Swedish: Brom

Atomic Structure of Bromine

Chemical Properties of Bromine

Physical Properties of Bromine

Regulatory / Health

  • CAS Number
    • 7726-95-6
  • UN/NA ID and ERG Guide Number
  • RTECS: EF9100000
  • NFPA 704
    • Health: 4
    • Fire:
    • Reactivity:
    • Special Hazard:
  • OSHA Permissible Exposure Limit (PEL)
    • 1 ppm = 6.54mg/m3 @ 25°C & 1 atm
    • TWA: 0.1 ppm
  • OSHA PEL Vacated 1989
  • NIOSH Recommended Exposure Limit (REL)
  • Routes of Exposure: Inhalation; Ingestion; Skin and/or eye contact
  • Target Organs: Respiratory system, eyes, central nervous system, skin
  • Levels In Humans:
    Note: this data represents naturally occuring levels of elements in the typical human, it DOES NOT represent recommended daily allowances.
    • Blood/mg dm-3: 4.7
    • Bone/p.p.m: 6.7
    • Liver/p.p.m: 0.2-7
    • Muscle/p.p.m: 7.7
    • Daily Dietary Intake: 0.8-24 mg
    • Total Mass In Avg. 70kg human: 260 mg

Who / Where / When / How

  • Discoverer: Antoine J. Balard/ C. Löwig
  • Discovery Location: Montpellier France/Heidelberg Germany
  • Discovery Year: 1826
  • Name Origin:
    Greek: brômos (stench).
  • Abundance of Bromine:
    • Earth's Crust/p.p.m.: 0.37
    • Seawater/p.p.m.: 65
    • Atmosphere/p.p.m.: N/A
    • Sun (Relative to H=1E12): N/A
  • Sources of Bromine:
    Occurs in compounds in sea water, Dead Sea, natural brines and salt-lake evaporates. World wide production estimated to be around 330,000 tons per year. Main mining areas are USA, Israel, UK, Russia, France and Japan.
  • Uses of Bromine:
    Used for water purification (swimming pools), manufacture of ethylene dibromide (anti-knocking gasoline), bleaching, organic synthesis, solvent, analytical reagent, fire retardant for plastics, pharmaceuticals, shrink-proofing wool.
  • Additional Notes:

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A list of reference sources used to compile the data provided on our periodic table of elements can be found on the main periodic table page.

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