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Hazardous Products Regulations (SOR/2015-17)

Regulations are current to 2024-02-06 and last amended on 2022-12-15. Previous Versions

PART 7Physical Hazard Classes (continued)

SUBPART 14Oxidizing Solids (continued)

Classification in a Category of the Class

Marginal note:Exclusions

  •  (1) The following solids need not be classified in any category of this hazard class:

    • (a) any organic solid that does not contain oxygen, fluorine or chlorine;

    • (b) any organic solid that contains oxygen, fluorine or chlorine if those elements are chemically bonded only to carbon or hydrogen; and

    • (c) any inorganic solid that does not contain oxygen or halogens.

  • Marginal note:Categories

    (2) An oxidizing solid is classified in a category of this hazard class, based on results from testing performed in accordance with test O.1 of sub-section 34.4.1 of Part III of the Manual of Tests and Criteria or test O.3 of sub-section 34.4.3 of that Part, in accordance with the following table:

    TABLE

    Column 1Column 2Column 3
    ItemCategoryCriteria Using Test O.1Criteria Using Test O.3
    1Oxidizing Solids — Category 1A solid that, when tested in a 4:1 or 1:1 mixture, by mass, with cellulose, exhibits a mean burning time < the mean burning time of a 3:2 mixture, by mass, of potassium bromate and celluloseA solid that, when tested in a 4:1 or 1:1 mixture, by mass, with cellulose, exhibits a mean burning rate > the mean burning rate of a 3:1 mixture, by mass, of calcium peroxide and cellulose
    2Oxidizing Solids — Category 2A solid that, when tested in a 4:1 or 1:1 mixture, by mass, with cellulose, exhibits a mean burning time ≤ the mean burning time of a 2:3 mixture, by mass, of potassium bromate and celluloseA solid that, when tested in a 4:1 or 1:1 mixture, by mass, with cellulose, exhibits a mean burning rate ≥ the mean burning rate of a 1:1 mixture, by mass, of calcium peroxide and cellulose
    3Oxidizing Solids — Category 3A solid that, when tested in a 4:1 or 1:1 mixture, by mass, with cellulose, exhibits a mean burning time ≤ the mean burning time of a 3:7 mixture, by mass, of potassium bromate and celluloseA solid that, when tested in a 4:1 or 1:1 mixture, by mass, with cellulose, exhibits a mean burning rate ≥ the mean burning rate of a 1:2 mixture, by mass, of calcium peroxide and cellulose

SUBPART 15Organic Peroxides

Definitions

Marginal note:Definitions

 The following definitions apply in this Subpart.

as packaged

as packaged means packaged in the form and condition described in test series B, D, G and H of Part II of the Manual of Tests and Criteria. (tel qu’il est emballé)

explosive properties

explosive properties means the properties of an organic peroxide that, in laboratory testing according to test series A, C or E of Part II of the Manual of Tests and Criteria, make the liquid or solid liable to detonate, deflagrate rapidly or show a violent effect when heated under confinement. (propriétés explosives)

organic peroxide

organic peroxide means an organic liquid or solid that contains the bivalent -O-O- structure. (peroxyde organique)

Classification in a Category of the Class

Marginal note:Exclusions

  •  (1) An organic peroxide that contains any of the following need not be classified in any category of this hazard class:

    • (a) not more than 1.0% available oxygen from the organic peroxides when containing not more than 1.0% hydrogen peroxide; or

    • (b) not more than 0.5% available oxygen from the organic peroxides when containing more than 1.0% but not more than 7.0% hydrogen peroxide.

  • Marginal note:Available oxygen content

    (2) The available oxygen content, in percent, of an organic peroxide mixture referred to in paragraph (1)(a) or (b) is determined by the following formula:

    The available oxygen content, in percent, of an organic peroxide mixture is equal to 16 times the summation, represented by the capital sigma symbol, of the series running from i to n of, opening parenthesis, the product of n, subscript i, and c, subscript i, divided by m, subscript i, closing parenthesis.

    where

    ni
    is the number of peroxygen groups per molecule of organic peroxide i;
    ci
    is the concentration (mass %) of organic peroxide i; and
    mi
    is the molecular mass of organic peroxide i.
  • Marginal note:Categories

    (3) An organic peroxide is classified in a category of this hazard class, based on results from testing performed in accordance with test series A to H of Part II of the Manual of Tests and Criteria, in accordance with the following table:

    TABLE

    Column 1Column 2
    ItemCategoryCriteria
    1Organic Peroxides — Type AA liquid or solid that, as packaged, is liable to detonate, or deflagrate rapidly
    2Organic Peroxides — Type BA liquid or solid that possesses explosive properties and, as packaged, neither detonates, nor deflagrates rapidly, but is liable to undergo a thermal explosion in that package
    3Organic Peroxides — Type CA liquid or solid that possesses explosive properties and, as packaged, neither detonates, nor deflagrates rapidly, nor undergoes a thermal explosion in that package
    4Organic Peroxides — Type D

    In laboratory testing, a liquid or solid that

    • (a) detonates partially, but does not deflagrate rapidly and shows no violent effect when heated under confinement;

    • (b) does not detonate, but deflagrates slowly and shows no violent effect when heated under confinement; or

    • (c) neither detonates nor deflagrates, but shows a medium effect when heated under confinement

    5Organic Peroxides — Type EIn laboratory testing, a liquid or solid that neither detonates nor deflagrates, and shows low or no effect when heated under confinement
    6Organic Peroxides — Type F

    In laboratory testing, a liquid or solid that neither detonates in the cavitated state nor deflagrates and

    • (a) shows low or no effect when heated under confinement, as well as low or no explosive power; or

    • (b) shows no effect when heated under confinement nor any explosive power, and either

      • (i) has a SADT < 60°C when evaluated in a 50 kg package, or

      • (ii) in the case of a liquid mixture, has a diluent that is used for desensitization with a boiling point < 150°C

    7Organic Peroxides — Type G

    In laboratory testing, a liquid or solid that neither detonates in the cavitated state nor deflagrates, shows no effect when heated under confinement nor any explosive power, and either

    • (a) has a SADT ≥ 60°C when evaluated in a 50 kg package, or

    • (b) in the case of a liquid mixture, has a diluent that is used for desensitization with a boiling point ≥ 150°C

  • Marginal note:Mixtures — organic peroxides

    (4) Subject to subsection (5), a mixture of organic peroxides must be classified in the same category as the most hazardous organic peroxide in the mixture, unless data of the types referred to in subparagraph 2.1(a)(i) or (ii) or (b)(i) or (ii) are available for the mixture as a whole and the data support the conclusion that the mixture must be classified in a category that represents a less severe hazard.

  • Marginal note:Mixtures — Type G organic peroxides

    (5) A mixture of two or more Type G organic peroxides must be classified in the category “Organic Peroxides — Type G”, unless the self-accelerating decomposition temperature of the mixture results in the mixture being classified in a category that represents a more severe hazard.

SUBPART 16Corrosive to Metals

Definition

Definition of corrosive to metals

 In this Subpart, corrosive to metals means, in relation to a mixture or substance, liable to damage or destroy metal by chemical action.

Classification in the Category of the Class

Marginal note:Category

 A mixture or substance that is corrosive to metals is classified in the category of this hazard class, based on results from testing performed in accordance with sub-section 37.4 of Part III of the Manual of Tests and Criteria, in accordance with the following table:

TABLE

Column 1Column 2
ItemCategoryCriteria
1Corrosive to Metals — Category 1A mixture or substance that has a corrosion rate on either steel or aluminium surfaces that is > 6.25 mm per year at a test temperature of 55°C

SUBPART 17Combustible Dusts

Definition

Definition of combustible dust

 In this Subpart, combustible dust means a mixture or substance that is in the form of finely divided solid particles that, upon ignition, is liable to catch fire or explode when dispersed in air.

Classification in the Category of the Class

Marginal note:Category

 A combustible dust is classified in the category of this hazard class in accordance with the following table:

TABLE

Column 1Column 2
ItemCategoryCriteria
1Combustible Dusts — Category 1

A mixture or substance that

  • (a) has been shown to, upon ignition, catch fire or explode when dispersed in air; or

  • (b) is classified in a category of the hazard class “Flammable Solids” and 5.0% or more of its composition by weight is a flammable solid and has a particle size ≤ 500 µm

SUBPART 18Simple Asphyxiants

Definition

Definition of simple asphyxiant

 In this Subpart, simple asphyxiant means any gas that is liable to cause asphyxiation by the displacement of air.

Classification in the Category of the Class

Marginal note:Category

 A simple asphyxiant is classified in the category of this hazard class in accordance with the following table:

TABLE

Column 1Column 2
ItemCategoryCriteria
1Simple Asphyxiants — Category 1A gas that is a simple asphyxiant

SUBPART 19[Repealed, SOR/2022-272, s. 36]

 [Repealed, SOR/2022-272, s. 36]

 [Repealed, SOR/2022-272, s. 36]

SUBPART 20Physical Hazards Not Otherwise Classified

Definition

Definition of physical hazard not otherwise classified

 In this Subpart, physical hazard not otherwise classified means a physical hazard presented by a product, mixture, material or substance that is different from any other physical hazard addressed by any other Subpart in this Part and that has the characteristic of occurring by chemical reaction and resulting in the serious injury or death of a person at the time the reaction occurs.

Classification in the Category of the Class

Marginal note:Category

 A product, mixture, material or substance is classified in the category of this hazard class in accordance with the following table:

TABLE

Column 1Column 2
ItemCategoryCriteria
1Physical Hazards Not Otherwise Classified — Category 1A product, mixture, material or substance that presents a physical hazard not otherwise classified

SUBPART 21Chemicals Under Pressure

Definition

Marginal note:Definition of Chemicals Under Pressure

 In this Subpart, chemicals under pressure means liquids or solids that are packaged in a receptacle — other than an aerosol dispenser — and that are pressurized with a gas at a gauge pressure of 200 kPa or more at 20°C but excludes any gas under pressure as defined in section 7.5.

Classification in a Category of the Class

Marginal note:Exclusions

  •  (1) Any product that is classified in a category of the hazard class “Aerosols” must not be classified in any category of this hazard class.

  • Marginal note:Categories

    (2) A chemical under pressure is classified in a category of this hazard class in accordance with the following table:

    TABLE

    Column 1Column 2
    ItemCategoryCriteria
    1Chemicals Under Pressure — Category 1A chemical under pressure that contains ≥ 85.0% flammable components, by mass, and has a heat of combustion ≥ 20 kJ/g
    2Chemicals Under Pressure — Category 2

    A chemical under pressure that

    • (a) contains > 1.0% flammable components, by mass, and has a heat of combustion < 20 kJ/g; or

    • (b) contains < 85.0% flammable components, by mass, and has a heat of combustion ≥ 20 kJ/g

    3Chemicals Under Pressure — Category 3A chemical under pressure that contains ≤ 1.0% flammable components, by mass, and has a heat of combustion < 20 kJ/g
 

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