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Safety & Labels definitions

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  • OSHA
    A U.S. agency setting guidelines for safe chemical use, storage, and labeling in laboratories to prevent accidents and ensure worker safety.
  • Health Hazard
    A risk category, indicated by blue, assessing a substance's potential to cause harm through skin contact or inhalation.
  • Fire Hazard
    A risk category, marked in red, evaluating a substance's likelihood to ignite based on its flash point temperature.
  • Instability Hazard
    A risk category, shown in yellow, describing a substance's tendency to explode or react violently under certain conditions.
  • Specific Hazard
    A label section, in white, using abbreviations to indicate unique dangers like acids, alkalis, oxidizers, or water reactivity.
  • Flash Point
    The minimum temperature at which a chemical can vaporize to form an ignitable mixture in air, indicating fire risk.
  • Corrosive
    A property of substances that can destroy or irreversibly damage other materials, including living tissue, upon contact.
  • Oxidizer
    A substance that can release oxygen or another oxidizing substance, increasing the risk or intensity of combustion.
  • Polymerization
    A chemical process where small molecules combine to form larger chains, sometimes causing hazardous reactions in certain chemicals.
  • Radioactivity
    The emission of ionizing radiation or particles from unstable atomic nuclei, posing unique laboratory hazards.
  • Numerical Scale
    A rating system from 0 (minimal risk) to 4 (extreme danger) used to quantify hazard severity on chemical labels.
  • Color-Coded System
    A labeling method using distinct colors to quickly communicate the type of hazard a chemical presents.
  • Accuracy
    The closeness of a measured value to the true value, essential for reliable and safe laboratory results.
  • Precision
    The consistency of repeated measurements, crucial for reproducibility and safety in experimental procedures.
  • Water Reactivity
    A property indicating that a substance can react violently or explosively when exposed to water.