Rules for classification and labelling of chemicals — Part 13: Substances and mixtures which, in contact with water, emit flammable gases
1 Scope
This part of GB 30000 specifies the terms and definitions, classification, judgment logic and guidance and labelling of substances and mixtures which, in contact with water, emit flammable gases.
This part is applicable to the classification and labelling of substances and mixtures which, in contact with water, emit flammable gases according to the United Nations Globally Harmonized System of Classification and Labelling of Chemicals (hereinafter referred to as GHS).
2 Normative references
The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.
GB 6944-2012 Classification and code of dangerous goods
GB 13690 General rule for classification and hazard communication of chemicals
The United Nations Globally Harmonized System of Classification and Labeling of Chemicals (GHS) (Rev.4)
The United Nations Recommendations on the transport of dangerous goods: Manual of tests and criteria (Rev.5)
The United Nations Recommendations on the transport of dangerous goods: Model regulations (Rev.17)
3 Term and definition
For the purposes of this document, the term and definition given in GB 13690 and the following apply.
3.1
substances and mixtures which, in contact with water, emit flammable gases
substances and mixtures, solid or liquid, which, by interaction with water, are prone to spontaneous combustion or to emit dangerous amounts of flammable gases
4 Classification standard
4.1 General requirements
See GB 13690 for general principles of classification and labelling of substances and mixtures which, in contact with water, emit flammable gases.
4.2 Classification
Substances and mixtures which, in contact with water, emit flammable gases are classified in accordance with the N.5 test in Part 3, 33.4.1.4 of the United Nations Recommendations on the Transport of Dangerous Goods: Manual of Tests and Criteria (Rev.5) (hereinafter referred to as "Manual of Tests and Criteria") , see Table 1.
Table 1 Classification of substances and mixtures which,
in contact with water, emit flammable gases a
Foreword i
1 Scope
2 Normative references
3 Term and definition
4 Classification standard
5 Judgment logic and guidance
6 Labelling
Annex A (Informative) Judgment logic and guidance
Annex B (Normative) Distribution of labelling elements
Annex C (Normative) Classification standards and labelling elements of substances and mixtures which, in contact with water, emit flammable gases
Annex D (Informative) Hazard statement and precautionary statement for substances and mixtures which, in contact with water, emit flammable gases
Annex E (Informative) Label examples of substances and mixtures which, in contact with water, emit flammable gases