Toxin Profiles

Substance Name

Zinc
Identification Number: CASRN | 7440-66-6

  Nastiness Attributes


  • Endocrine Disrupter

    Interferes with your hormones. Hormones are powerful messengers that can bind to DNA. You don't want to mess with them.

  • Reproductive Effects

    Interferes with fertility

  • Birth/Developmental

    Known to effect development of fetus.

  • Metabolic Interference or Disruption

    Interferes with human metabolism. This can be a very serious thing. Some of these interference mechanics are well established. However, often long term effects and health consequences remain largely unknown. Additionally an emerging area of concern and one that is not currently studied, is the combined synergistic effects these metabolically disrupting chemicals have on human health.

    Metabolic interference happens when the substance produces highly reactive and often damaging intermediates during detoxification or when the substance binds to specific enzymes, important structural groups on molecules, receptors and membranes or targets DNA or mimics key nutrients.

  • Exposure Produces Health Symptoms

    Symptoms maybe short term or long term depending on the exposure duration and intensity and effects areas like Cardiovascular, Gastrointestinal, Cognition, Fatigue. A substance with this attribute may cause an allergic skin reaction, serious eye irritation, allergy or asthma symptoms or breathing difficulties if inhaled.

  • Toxic to specific organs

    Can damage liver, kidney, lungs, heart or gut. Ironically liver, kidneys and gut are the main detoxifications systems.

  • Toxic to Wildlife

    May kill plants, fish, birds or other animals and insects or may be very toxic to aquatic life with long lasting effects. This then effects delicate environmental ecology and food supply in ways we don't fully understand yet.

  • Has known Side Effects

    This is often the result of long or short term medication use. The same medication can have a range of side effects ranging from none at all to totally debilitating symptoms within different individuals. Reasons for this include individual genetics, individual detoxification capacity, nutrition status, duration of use and total number of medications being taken.


    It becomes very difficult to establish clear causes of symptoms when multiple medications are being taken at once.


    See SIDE EFFECTS LINKOUT at end of this profile.


  • CATEGORIES: Pit Chemicals | Chemicals detected in flowback and produced water - collectively referred to as - hydraulic fracturing wastewater | Medication or Drug | Household Toxin | Industrial/Workplace Toxin | Pollutant | Food Toxin | Natural Toxin | Indirect Additives Used in Food Contact Substances | Inert Pesticide Ingredient USA - Non Food Use Only | A Hazardous Substance that may be found in the Australian Workplace | Medication Approved by the European Medicines Agency
  • SUBSTANCE LINEAGE: Inorganic Compounds | Homogeneous Metal Compounds | Homogeneous Transition Metal Compounds | | Homogeneous Transition Metal Compounds
  • SYNONYMS: Zinc (II) cation | Zinc ion | Zinc ion (Zn2+) | Zinc(2+) | Zinc(2+) ion | Zinc(II) | Zn | Zn(2+) | Zn2+
  • DESCRIPTION: Has been used in CSG, Hydraulic Fracturing Operations (Fracking) as - Unknown, lubricant, fracturing | A metallic element of atomic number 30 and atomic weight 65.38. It is a necessary trace element in the diet, forming an essential part of many enzymes, and playing an important role in protein synthesis and in cell division. Zinc deficiency is associated with anemia, short stature, hypogonadism, impaired wound healing, and geophagia. It is known by the symbol Zn. Treatment of Wilson's disease.
  • COMMENTS: From Safe Work Australia and the Hazardous Substances Information System (HSIS) in Australia: In contact with water releases flammable gases which may ignite spontaneously. Catches fire spontaneously if exposed to air. Very toxic to aquatic life with long lasting effects | Environmental Hazard | A Hazardous Substance that may be found in the Australian Workplace. Check with your employer or health and safety officer. Stay informed and become aware of the dangers that surround you. This chemical is included on the list of recognised hazardous chemicals from the Safe Work Australia - Hazardous Substances Information System (HSIS) that is based on the Globally Harmonised System of Classification and Labelling of Chemicals (GHS) Work Health and Safety (WHS) Regulations are the basis for hazardous chemicals regulations in Commonwealth, State and Territory jurisdictions in Australia. Under the model WHS Regulations, manufacturers and importers of substances, mixtures and articles supplied for use in workplaces are required to determine whether they are hazardous to health and safety before supply. The model WHS Regulations mandate that the hazards of a chemical as determined by the Globally Harmonised System of Classification and Labelling of Chemicals (GHS) must be included in safety data sheets and on labels. There are transitional arrangements in place for moving to the GHS-based system.The GHS Hazardous Chemical Information List contains chemicals classified by an authoritative source (such as the European Commission or NICNAS) in accordance with the Globally Harmonized System of Classification and Labelling of Chemicals (the GHS). This list contains the vast majority of chemicals currently in HSIS. This list and its detail are regularly updated by Work Safe Australia. The model Work Health and Safety (WHS) Regulations require chemicals to be classified in accordance with the Globally Harmonised System of Classification and Labelling of Chemicals (GHS). However transitional arrangements allow use of classification information in HSIS derived from the Approved Criteria until the 31 December 2016.
  • toxin chemical structure pubchem
  • FORMULA: Zn
  • DATA SOURCES: DATA SOURCES: ARTICLE 4 | T3DB | PubChem | Article-Colborn-2010 | EPA in USA | FDA Indirect Food Additives | EPA USA - Pesticide Inerts | Safe Work Australia - Hazardous Substances Information System (HSIS) | Drugbank | European Medicines Agency
  • LAST UPDATE: 21/04/2015

  Health Associations

Mostly focused on Health Implications of Long Term Exposure to this substance

  • SYMPTOMS: Ingestion of large doses of zinc causes stomach cramps, nausea, and vomiting. Acute inhalation of large amounts of zinc causes metal fume fever, which is characterized by chills, fever, headache, weakness, dryness of the nose and throat, chest pain, and coughing. Dermal contact with zinc results in skin irritation. (L49)
  • POSSIBLE HEALTH CONSEQUENCES: Chronic exposure to zinc causes anemia, atazia, lethargy, and decreases the level of HDL (good) cholesterol in the body. It is also believed to cause pancreatic and reproductive damages. Unbalanced levels of copper and zinc binding to Cu,Zn-superoxide dismutase have been linked to amyotrophic lateral sclerosis (ALS). (L49) | Zinc enters the body through the lungs, skin, and gastrointestinal tract. Intestinal absorption of zinc is controlled by zinc carrier protein CRIP and metallothioneins. Zinc is widely distributed in tissues and tissues fluids, and concentrated in the liver, gastrointestinal tract, kidney, skin, lung, brain, heart, and pancreas. Zinc binds to carbonic anhydrase in erythrocytes, and to albumin, α2-macroglobulin, and amino acids in the the plasma. Albumin and amino acid bound zinc can diffuse across tissue membranes. Zinc is excreted in the urine and faeces. (L49)
  • ACTION OF TOXIN: Excessive zinc intake alters copper and iron absorption, most likely through competitive binding in intestinal mucosal cells. Stomach acid dissolves metallic zinc, producing zinc chloride, which is a corrosive product damaging the stomach lining. Metal fume fever is thought to be an immune response to inhaled zinc. (L48, L49, A49) | Unbalanced levels of copper and zinc binding to Cu,Zn-superoxide dismutase has been linked to amyotrophic lateral sclerosis (ALS). (A49)
  • TOXIN SITES OF ACTION IN CELL: "Cytoplasm", "Extracellular"
  • Additional Exposure Routes: Zinc has many commercial uses as coatings to prevent rust, in dry cell batteries, and can be mixed with other metals to produce alloys such as brass and bronze. Zinc compounds are widely used in industry to make paint, rubber, dyes, wood preservatives, and ointments. (L49)
  • SEE MEDICATION SIDE EFFECTS

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  Exposure Routes

These are the Exposure Routes we have so far for this substance. There are almost certainly more. We update this section regularly. The number of chemicals with 2 or more nastiness attributes in an exposure route is shown in orange. They grey badge shows the total amount of chemicals within the exposure route.


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