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  2. Pyrophoricity - Wikipedia

    en.wikipedia.org/wiki/Pyrophoricity

    A substance is pyrophoric (from Ancient Greek: πυροφόρος, pyrophoros, 'fire-bearing') if it ignites spontaneously in air at or below 54 °C (129 °F) (for gases) or within 5 minutes after coming into contact with air (for liquids and solids). [1] Examples are organolithium compounds and triethylborane.

  3. GHS hazard pictograms - Wikipedia

    en.wikipedia.org/wiki/GHS_hazard_pictograms

    The GHS transport pictograms are the same as those recommended in the UN Recommendations on the Transport of Dangerous Goods, widely implemented in national regulations such as the U.S. Federal Hazardous Materials Transportation Act (49 U.S.C. 5101–5128) and D.O.T. regulations at 49 C.F.R. 100–185.

  4. HAZMAT Class 4 Flammable solids - Wikipedia

    en.wikipedia.org/wiki/HAZMAT_Class_4_Flammable...

    Division 4.2: Spontaneously Combustible . Spontaneously combustible material is: Pyrophoric Material: A pyrophoric material is a liquid or solid that, even in small quantities and without an external ignition source, can ignite within five (5) minutes after coming in contact with air when tested according to the UN Manual of Tests and Criteria.

  5. Globally Harmonized System of Classification and Labelling of ...

    en.wikipedia.org/wiki/Globally_Harmonized_System...

    Pyrophoric liquids are liable to ignite after 5 minutes of coming in contact with air. Pyrophoric solids follow the same criteria as pyrophoric liquids. Self-heating substances, which differ from self-reactive substances in that they will only ignite in large quantities (kilograms) and after a long duration of time (hours or days).

  6. Flammable liquid - Wikipedia

    en.wikipedia.org/wiki/Flammable_liquid

    A flammable liquid is a liquid which can be easily ignited in air at ambient temperatures, i.e. it has a flash point at or below nominal threshold temperatures defined by a number of national and international standards organisations.

  7. GHS hazard statements - Wikipedia

    en.wikipedia.org/wiki/GHS_hazard_statements

    Hazard statements form part of the Globally Harmonized System of Classification and Labelling of Chemicals (GHS). They are intended to form a set of standardized phrases about the hazards of chemical substances and mixtures that can be translated into different languages.

  8. List of UN numbers 3301 to 3400 - Wikipedia

    en.wikipedia.org/wiki/List_of_UN_numbers_3301_to...

    Toxic by inhalation liquid, corrosive, n.o.s. with an inhalation toxicity lower than or equal to 1000ml/m 3 and saturated vapour concentration greater than or equal to 10 LC 50: UN 3391: 4.2: Organometallic substance, solid, pyrophoric: UN 3392: 4.2: Organometallic substance, liquid, pyrophoric: UN 3393: 4.2: Organometallic substance, solid ...

  9. Explosives shipping classification system - Wikipedia

    en.wikipedia.org/wiki/Explosives_shipping...

    Group L: Explosive substance or article containing an explosive substance and presenting a special risk (e.g., due to water-activation or presence of hybergolic liquids, phosphides or pyrophoric substances) needing isolation of each type. Group N: Articles predominantly containing extremely insensitive substances.