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  2. Chemical burn - Wikipedia

    en.wikipedia.org/wiki/Chemical_burn

    Symptoms include itching, bleaching or darkening of skin, burning sensations, trouble breathing, coughing blood and/or tissue necrosis. Common sources of chemical burns include sulfuric acid (H 2 SO 4), hydrochloric acid (HCl), sodium hydroxide (NaOH), lime (CaO), silver nitrate (AgNO 3), and hydrogen peroxide (H 2 O 2). Effects depend on the ...

  3. Hydrogen peroxide - Wikipedia

    en.wikipedia.org/wiki/Hydrogen_peroxide

    Hydrogen peroxide is a chemical compound with the formula H 2 O 2.In its pure form, it is a very pale blue [5] liquid that is slightly more viscous than water.It is used as an oxidizer, bleaching agent, and antiseptic, usually as a dilute solution (3%–6% by weight) in water for consumer use and in higher concentrations for industrial use.

  4. GHS hazard pictograms - Wikipedia

    en.wikipedia.org/wiki/GHS_hazard_pictograms

    Organic peroxides – Organic substances which contain the bivalent –O–O– structure and may be considered derivatives of hydrogen peroxide, where one or both of the hydrogen atoms have been replaced by organic radicals Alternative sign. Division 5.2

  5. HAZMAT Class 5 Oxidizing agents and organic peroxides

    en.wikipedia.org/wiki/HAZMAT_Class_5_Oxidizing...

    For materials containing more than 1.0 percent but not more than 7.0 percent hydrogen peroxide, the available oxygen content (O a) is not more than 0.5 percent, when determined using the equation: O a = 16x = where for a material containing k species of organic peroxides:

  6. How To Clean Mold From A Toilet Base With Common Household Items

    www.aol.com/lifestyle/clean-mold-toilet-common...

    Make a spray bottle mixture of hydrogen peroxide and water Spray the mixture over the toilet base and let it sit for 10 to 15 minutes. Scrub area, then dry it off with a clean cloth.

  7. NFPA 704 - Wikipedia

    en.wikipedia.org/wiki/NFPA_704

    NFPA 704 safety squares on containers of ethyl alcohol and acetone. "NFPA 704: Standard System for the Identification of the Hazards of Materials for Emergency Response" is a standard maintained by the U.S.-based National Fire Protection Association.

  8. Immediately dangerous to life or health - Wikipedia

    en.wikipedia.org/wiki/Immediately_dangerous_to...

    The term immediately dangerous to life or health (IDLH) is defined by the US National Institute for Occupational Safety and Health (NIOSH) as exposure to airborne contaminants that is "likely to cause death or immediate or delayed permanent adverse health effects or prevent escape from such an environment." Examples include smoke or other ...

  9. European hazard symbols - Wikipedia

    en.wikipedia.org/wiki/European_hazard_symbols

    It is based on the GHS system, to secure for "physical, health and environment hazards". [2] [1] [3] ADR European hazard sign, meaning highly flammable (33) — gasoline (1203) The European Agreement concerning the International Carriage of Dangerous Goods by Road (ADR) fixed harmonised pictograms for transportation. Vehicles carrying dangerous ...