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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 8Self-reactive Substances and Mixtures

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 a self-reactive substance or mixture that, in laboratory testing according to test series A, C or E of Part II of the Manual of Tests and Criteria, make the substance or mixture liable to detonate, deflagrate rapidly or show a violent effect when heated under confinement. (propriétés explosives)

self-reactive

self-reactive means, in relation to a thermally unstable liquid or solid product, mixture or substance, liable to undergo a strongly exothermic decomposition, having a heat of decomposition equal to or greater than 300 J/g, even without participation of oxygen. (autoréactif)

Classification in a Category of the Class

Marginal note:Exclusions

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

    • (a) mixtures or substances, or mixtures or substances as packaged, that are classified in a category of the hazard class “Organic Peroxides”;

    • (b) liquid or solid mixtures that are classified in a category of the hazard class “Oxidizing Liquids” or “Oxidizing Solids”, and contain less than 5.0% of combustible organic substances; and

    • (c) liquid or solid substances that are classified in a category of the hazard class “Oxidizing Liquids” or “Oxidizing Solids”.

  • Marginal note:Categories

    (2) Subject to subsection (3), a self-reactive substance or mixture 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
    1Self-reactive Substances and Mixtures — Type AA liquid or solid that, as packaged, is liable to detonate, or deflagrate rapidly
    2Self-reactive Substances and Mixtures — 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
    3Self-reactive Substances and Mixtures — 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
    4Self-reactive Substances and Mixtures — Type D

    In laboratory testing, a liquid or solid that

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

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

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

    5Self-reactive Substances and Mixtures — Type EIn laboratory testing, a liquid or solid that neither detonates nor deflagrates and shows low or no effect when heated under confinement
    6Self-reactive Substances and Mixtures — 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

    7Self-reactive Substances and Mixtures — 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 of 60°C to 75°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:Exclusion after evaluation

    (3) A mixture or substance with a self-accelerating decomposition temperature greater than 75°C when evaluated in a 50 kg package need not be classified in any category of this hazard class.

SUBPART 9Pyrophoric Liquids

Definition

Definition of pyrophoric liquid

 In this Subpart, pyrophoric liquid means a liquid that is liable to ignite within five minutes after coming into contact with air.

Classification in the Category of the Class

Marginal note:Category

 A pyrophoric liquid is classified in the category of this hazard class, based on results from testing performed in accordance with test N.3 of sub-section 33.4.5 of Part III of the Manual of Tests and Criteria, in accordance with the following table:

TABLE

Column 1Column 2
ItemCategoryCriteria
1Pyrophoric Liquids — Category 1

A liquid that, within 5 min, either

  • (a) ignites when added to an inert carrier and after coming into contact with air, or

  • (b) ignites or chars a filter paper, after coming into contact with air

SUBPART 10Pyrophoric Solids

Definition

Definition of pyrophoric solid

 In this Subpart, pyrophoric solid means a solid that is liable to ignite within five minutes after coming into contact with air.

Classification in the Category of the Class

Marginal note:Category

 A pyrophoric solid is classified in the category of this hazard class, based on results from testing performed in accordance with test N.2 of sub-section 33.4.4 of Part III of the Manual of Tests and Criteria, in accordance with the following table:

TABLE

Column 1Column 2
ItemCategoryCriteria
1Pyrophoric Solids — Category 1A solid that ignites within 5 min after coming into contact with air

SUBPART 11Self-heating Substances and Mixtures

Definition

Definition of self-heating

 In this Subpart, self-heating means, in relation to a solid or liquid, liable to self-heat by reaction with air and without energy supply.

Classification in a Category of the Class

Marginal note:Exclusions

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

    • (a) a liquid classified in the category of the hazard class “Pyrophoric Liquids”; and

    • (b) a solid classified in the category of the hazard class “Pyrophoric Solids”.

  • Marginal note:Categories

    (2) Subject to subsection (3), a self-heating substance or mixture is classified in a category of this hazard class, based on results from testing performed in accordance with test N.4 of sub-section 33.4.6 of Part III of the Manual of Tests and Criteria, in accordance with the following table:

    TABLE

    Column 1Column 2
    ItemCategoryCriteria
    1Self-heating Substances and Mixtures — Category 1A solid or liquid in respect of which a positive result is obtained in a test using a 25 mm sample cube at 140°C
    2Self-heating Substances and Mixtures — Category 2

    A solid or liquid in respect of which a positive result is obtained in a test using a 100 mm sample cube at 140°C, a negative result is obtained in a test using a 25 mm sample cube at 140°C and

    • (a) the solid or liquid is packed in packages with a volume > 3 m³;

    • (b) a positive result is obtained in a test using a 100 mm sample cube at 120°C and the solid or liquid is packed in packages with a volume > 450 l; or

    • (c) a positive result is obtained in a test using a 100 mm sample cube at 100°C

  • Marginal note:Exclusion after evaluation

    (3) A mixture or substance with a temperature of spontaneous combustion higher than 50°C for a volume of 27 m3 need not be classified in any category of this hazard class.

SUBPART 12Substances and Mixtures Which, in Contact with Water, Emit Flammable Gases

General Provision

Marginal note:Interpretation

 In this Subpart, substances and mixtures which, in contact with water, emit flammable gases are liquids and solids that, by interaction with water, are liable to become spontaneously flammable or give off flammable gases in dangerous quantities, that is, in quantities that are greater than one litre of gas per kilogram of the mixture or substance per hour.

Classification in a Category of the Class

Marginal note:Exclusions

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

    • (a) those that have a chemical structure that does not contain metals or metalloids;

    • (b) those that have been shown, through accumulated experience in production or handling, not to react with water; and

    • (c) those that are soluble in water to form a stable mixture.

  • Marginal note:Categories

    (2) A liquid or solid which, in contact with water, emits flammable gases is classified in a category of this hazard class, based on results from testing performed in accordance with test N.5 of sub-section 33.5.4 of Part III of the Manual of Tests and Criteria, in accordance with the following table:

    TABLE

    Column 1Column 2
    ItemCategoryCriteria
    1Substances and Mixtures Which, in Contact with Water, Emit Flammable Gases — Category 1

    A liquid or solid that

    • (a) reacts with water at ambient temperature and produces a gas that is liable to ignite spontaneously;

    • (b) reacts with water at ambient temperature such that the rate of evolution of flammable gas is ≥ 10 l/kg of liquid or solid over any one minute; or

    • (c) reacts with water at ambient temperature to ignite spontaneously in any step of the test procedure

    2Substances and Mixtures Which, in Contact with Water, Emit Flammable Gases — Category 2A liquid or solid that reacts with water at ambient temperature such that the maximum rate of evolution of flammable gas is ≥ 20 l/kg of liquid or solid per hour
    3Substances and Mixtures Which, in Contact with Water, Emit Flammable Gases — Category 3A liquid or solid that reacts with water at ambient temperature such that the maximum rate of evolution of flammable gas is > 1 l/kg of liquid or solid per hour

SUBPART 13Oxidizing Liquids

Definition

Definition of oxidizing liquid

 In this Subpart, oxidizing liquid means a liquid, whether or not combustible, that is liable to cause or contribute to the combustion of other material.

Classification in a Category of the Class

Marginal note:Exclusions

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

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

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

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

  • Marginal note:Categories

    (2) An oxidizing liquid is classified in a category of this hazard class, based on results from testing performed in accordance with test O.2 of sub-section 34.4.2 of Part III of the Manual of Tests and Criteria, in accordance with the following table:

    TABLE

    Column 1Column 2
    ItemCategoryCriteria
    1Oxidizing Liquids — Category 1A liquid that, when tested in a 1:1 mixture, by mass, with cellulose, spontaneously ignites, or exhibits a mean pressure rise time < the mean pressure rise time of a 1:1 mixture, by mass, of 50.0% perchloric acid and cellulose
    2Oxidizing Liquids — Category 2A liquid that, when tested in a 1:1 mixture, by mass, with cellulose, exhibits a mean pressure rise time ≤ the mean pressure rise time of a 1:1 mixture, by mass, of 40.0% aqueous sodium chlorate solution and cellulose
    3Oxidizing Liquids — Category 3A liquid that, when tested in a 1:1 mixture, by mass, with cellulose, exhibits a mean pressure rise time ≤ the mean pressure rise time of a 1:1 mixture, by mass, of 65.0% aqueous nitric acid and cellulose

SUBPART 14Oxidizing Solids

Definition

Definition of oxidizing solid

 In this Subpart, oxidizing solid means a solid, whether or not combustible, that is liable to cause or contribute to the combustion of other material.

 

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