This standard specifies the classification and numbering of dangerous goods. This standard applies to the transportation, storage, production, operation, use and disposal of dangerous goods. GB 6944-2005 Classification and product name numbering of dangerous goods GB6944-2005 standard download decompression password: www.bzxz.net
This standard specifies the classification and numbering of dangerous goods. This standard applies to the transportation, storage, production, operation, use and disposal of dangerous goods.

National Standard of the People's Republic of China
CB6944—2005
Generation G44—15
Classification and code of dangerous goods
Issued on July 26, 2005
General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China Standardization Administration of China
Implementation on November 1, 2005
Chapter 4 and Chapter 5 of this standard are mandatory, while the latter is recommended. CB6944—2005
Revised version Part 2: Section ... :·2000 was revised, and the cloud standard replaced GB69441566 dangerous goods classification and classification standard G9-15 as follows:
revised and supplemented the original standard for dangerous goods, the judgment criteria for the number of dangerous goods, the classification and prediction of dangerous goods purchased by the company appropriately….…Class 7 "radioactive items" are suitable for the new definition according to the provisions of 6B11806;…·-The original standard for dangerous goods names is revised. This standard was issued by the Ministry of Communications of the People's Republic of China. This standard is under the jurisdiction of the National Dangerous Chemicals Management Standardization Technical Committee (SAT7251). The drafting unit of this standard is the Water Transport Research Institute of the Ministry of Communications, and the participating drafting units of this standard are: China Petrochemical Corporation! The group is called Safety Engineering Research Institute, Chemical Standardization Research Institute, Nanxiang Department of Standardization Co., Ltd.
The main drafters of this standard are: Guan Huaiping, Xiang Huili, Kai Jiacheng, Zhuo Zhicai, Zhang Haixia, Tu Xiaobing, Li Yuncai, Fan Guigong, Huan Qingyi. This standard replaces the standards that have been issued in accordance with the previous versions: 1 Scope
Classification and name number of dangerous goods
This standard specifies the classification and marketing of dangerous goods. This standard is applicable to the transportation, storage, production, operation, use and disposal of dangerous goods. 2 Normative references
GB6944—2005
The clauses in the following documents become the clauses of this standard through reference in other standards. For referenced documents with a date, the revised versions (excluding those with errors) after the revision are not applicable to this standard. However, all parties that have reached an agreement on this standard are encouraged to study and collect the revised versions of these documents. For referenced documents with a date, the latest version shall apply. GB 21B03 Safe Transport of Radioactive Materials 3 Terms and Definitions
The following terms and definitions are used in this standard: 3. 1
Dangerous goods
Substances and articles which have dangerous properties such as explosion, hazard, toxicity, contamination, corrosion and radioactivity and which may cause death, property pollution or environmental pollution during transportation, storage, production, operation, use and disposal and need special protection. 3.2
Explosive substancesExplosive5uhstance5
Substances which are liquid substances (or mixtures of these substances) and which can produce gases by chemical reactions whose temperature, force and speed are destructive to the surrounding environment, including pyrotechnic substances which cannot cause the gases to explode. 3.3
Pyrotechnic substancesPyrotechnic substances can produce heat, light, sound and gas effects when these substances are combined together and these effects are produced by non-explosive chemical reactions. 3.4
Explosive articles
Articles containing one or more explosive substances. 3.5
Massive detonation or explosion of total contents which can reach almost the entire load before the explosion. 3.6
Self-reactive substances which are capable of decomposing with a violent exothermic reaction even in the absence of waste gases. 3.
SaliddrseneitizedexploslyeA solid mixture which is homogeneous and which has been diluted with water or ethanol or with other substances to obtain a uniform explosive property: GB 6944—2005
Liquid desensitized explosives qutd4esensitlzedexplostves Explosive substances that dissolve or float in water or other substances to form a uniform liquid mixture to suppress their explosive properties:
Pyrophoric substances Pyrophurie>ubylunees refers to substances that can ignite when only a small amount of items come into contact with air. In addition, it includes mixtures and concentrated solutions and suitable cups).
Self-heating substances srLf-lieatingsubstunees pyrophoric substances other than pyrophoric substances that can self-heat when in contact with air without energy supply 3.11
Oral toxicity LD50h (nedianlethal duse>[oraeuteoral tuxicity scale) A single substance obtained by statistical method can cause half of the rats to die within 14 days after taking it once. 12
Dermal contact toxicity LDLD is the amount of a substance that causes half of the test animal to die within 11 days after continuous application of the substance to the skin of a rabbit for 2 hours. 3. 13
Inhalation toxicity LD is the amount of a substance that causes half of the test animal to die within 4 days after continuous inhalation of the substance.
Pathogens refer to microorganisms (including bacteria, pathogens, parasites, worms) or other vector microorganisms, including bacteria or mutants) that can cause infection in humans or animals. 15
Elevated temperature substances refer to substances that are transported at a temperature of up to or exceeding 109°C or a temperature of up to or exceeding 210°C. 3.16
Environmentally hazardous substances refer to substances that pose a threat to the environment or ecology, including substances that cause pollution to water bodies and other environmental media, and mixtures of such substances. 3.17
Genetically modified organisms or tissues refer to organisms and tissues that have undergone genetic modification by a process known as temperature control, which can naturally change the genes of microorganisms and tissues, and these microorganisms and tissues can meet the definition of sensitive substances, but are not called modified organisms, plants or animals by natural means such as the one described in the book. 3.18 The United Nations classification number is a numerical number compiled by the Joint Committee of Experts on the Transport of Dangerous Goods to identify a substance or substances. It is divided into 9 categories according to the most important hazard level of the substance. Some categories are divided into different items. The categories and numbers are collected in order and are not in the order of color. 4.1 Class 1 Explosives also include: a) Explosive substances; b) Explosive products; c) The substances or articles mentioned in the above two categories are manufactured for the purpose of producing an explosion or smoke effect: Class 1 is divided into items.
4.1.1 Item 1.1 Substances and articles with mass explosion hazard 4.1.2 Item 1.2
Substances and articles with projection hazard but without mass explosion hazard GB6944—2005
4.1.3 Item 1.3
Substances and articles with both local explosion hazard and partial explosion hazard or projection hazard or both hazard, but without mass explosion hazard
This item includes:
a): Substances and articles which can produce a large amount of residual heat; b) Substances and articles which produce neither local explosion nor projection effect. 4.1.4 Substances and articles not presenting a major risk in this item are materials and articles that present a minor risk when a fire hazard or explosion occurs; the impact is limited to the package itself and the expected damage is not too far away, and the external fire will not cause all the contents of the package to explode. 4.1.5.1.Item 5 Extremely insensitive substances with mass explosion hazard This category includes substances with a total explosion hazard, but which are not insensitive or have a very small probability of causing an explosion or a change from combustion to explosion under normal operating conditions. See 4.1.8. Item 1. Extremely insensitive articles without mass explosion hazard This category includes articles with only a non-sensitive explosive substance and whose probability of accidentally causing an explosion or transmission is negligible. Note: The hazard of this article is limited to the explosion of a single article. 4.2 Class 2 gases This category of gases refers to: a) substances that change to a gaseous state at a temperature greater than cckPa (b) 29 to 91.3 standard pressure This category includes compressed gases, ignited gases, dissolved gases, refrigerated micro-gases, mixtures of one gas with one or more other types of substances, gas-filled articles and aerosols. 4.2.1. Item 2.1 Rapidly spreading gases This item includes gases that can be ignited when the volume fraction of the gas is less than 13% under the conditions of 2u% and 101.%P: or gases that are combined with the gas and the filter element and the fraction are at least 4.2.2. Item 2.2 are all non-toxic gases transported at a pressure of not less than 20kP or in a refrigerated liquid state, and gases that can generate oxygen in the air or spread in the air: and oxidizing gases that can cause or enter other materials to combust more than the narrow range of oxygen provided by the carrier gas: or gases of other items.
4.2.3 Item 2.3 Toxic gases
This category includes:
1) Gases that are toxic and corrosive to humans and cause health hazards! Or h! The median lethal concentration LC is not greater than CmL, so it is presumed that there are toxic or corrosive gases. Note: There are two items of gas compounds with small risk of gas. The order of risk after sales is 2.1. You can go to 2.2 first. GB6944-2005
4.3 Class 3, flammable goods
This category includes:
Flammable parts
In its flash point (the flash point in the group cup test is higher than e0.5, its open cup must be The test point is not higher than 65.6) The range of substances that release flammable gases when in solution or in suspension is: liquids that are transported at temperatures above their flash point or substances that release flammable vapors when transported or transported in a wave state at temperatures equal to or lower than the parent material's temperature; h) Rolling desensitized explosives
4.4 Class 4 crystalline flammable solids, substances that are spontaneously combustible when in contact with water and release flammable gases.
4.4.1 Item 4.1 Combustible solids
Item 4.1 includes:
) easily ignited solids which can ignite or support combustion by friction: 1) self-igniting substances which may produce strong thermal reactions; 2) self-heating substances which are not fully released; 4.4.2 Item 4.2 Substances prone to spontaneous combustion
This item includes:
) pyrophoric substances;
a) self-heating substances:
4.4.3 Item 4.3 Substances which emit flammable gases; substances which react with water to form substances which emit extremely dangerous gases; 4.5 Class 5 oxidizing substances and organic peroxides are divided into 2 categories.
4.5.1 Item 5.1 Chemical substances
These substances are not necessarily chemical substances, they may cause or promote the combustion of other substances due to chemical reactions. 4. 5.2 Item 5.2 Organic peroxides have a molecular composition that is not necessarily organic, they may self-accelerate decomposition by exothermic heating: This type of substance may also have the following: · And one or more of the following properties; · Explosive decomposition (%) is required!
b) Rapid combustion:
) Causes allergic reactions or allergies:
) Dangerous reactions with other substances:
) Damage to the skin,
4.6 Class 6 toxic substances and infectious substances
Class 6 is divided into 2 items
4.6.1 Class 6.1 substances which may cause serious health damage by ingestion or skin contact. Acute oral toxicity, skin contact toxicity and inhalation toxicity: effective lethal dose (LL), skin contact toxicity (median lethal dose), LT: inhalation toxicity (median lethal dose), LC: Total ingestion amount: solid 12mgkg. liquid cmg/kg total skin contact 21b: effective dose: 00k powder, smoke, etc., half effective dose 10% or rest. 4.6.2 Item 6.2 Infectious substances
Substances that may cause disease, including sheep hook products, diagnostic samples, genetically modified microorganisms, soil objects and other media, such as virus eggs, etc.
4.7 Class 7 radioactive substances
GB6944-2005
Substances containing radioactive nuclei and whose radioactive concentration and total active substances exceed the limit specified in GB1-B0 respectively, 4.8 Class 8 Class I is a kind of non-corrosive substance. When it is in contact with intact skin tissue, it will cause serious damage to the tissue, or when it leaks, it will cause serious damage to other materials. The material of the transport tool, the corrosive substance, which has been in contact with intact skin tissue for more than 4 years, will cause skin damage within 14 days, or when it is in contact with intact skin tissue for more than 5 years, the annual corrosion rate of the surface of 32351R-CR or similar models or aluminum without coating layer is more than 6.35.
4.9 The 9th item
The dangerous substances and articles
The dangerous substances and articles that are not included in other categories, such as: 9) Hazardous substances!
1) High-temperature substances:
Genetically modified organisms or tissues.
5 Product number
The product number of dangerous goods adopts the United Nations number. Each dangerous goods corresponds to a screening number, but if their properties are basically the same, the same screening number and treatment method can also be used for dangerous goods.4 Class 4 flammable solids, substances that emit flammable gases when in contact with water are classified into the following categories.
4.4.1 Class 4.1 flammable solids
include
) easily ignited, substances that can ignite or support combustion when in contact with water: 1) self-igniting substances that may emit strong thermal reactions; 4.4.2 Class 4.2 flammable solids
include;
a) pyrophoric substances,
b) self-heating substances:
4.4.3 Class 4.3 flammable gases that emit flammable gases when in contact with water; substances that can emit extremely large amounts of gases when in contact with water; 4.5 Class 5 oxidizing substances and organic peroxides are classified into 2 categories.
4.5.1 Item 5.1 Chemical substances
These substances are not necessarily chemical substances, they may cause or promote the combustion of other substances due to chemical reactions. 4. 5.2 Item 5.2 Organic peroxides have a molecular composition that is not necessarily organic, they may self-accelerate decomposition by exothermic heating: This type of substance may also have the following: · And one or more of the following properties; · Explosive decomposition (%) is required!
b) Rapid combustion:
) Causes allergic reactions or allergies:
) Dangerous reactions with other substances:
) Damage to the skin,
4.6 Class 6 toxic substances and infectious substances
Class 6 is divided into 2 items bzxZ.net
4.6.1 Class 6.1 substances which may cause serious health damage by ingestion or skin contact. Acute oral toxicity, skin contact toxicity and inhalation toxicity: effective lethal dose (LL), skin contact toxicity (median lethal dose), LT: inhalation toxicity (median lethal dose), LC: Total ingestion amount: solid 12mgkg. liquid cmg/kg total skin contact 21b: effective dose: 00k powder, smoke, etc., half effective dose 10% or rest. 4.6.2 Item 6.2 Infectious substances
Substances that may cause disease, including sheep hook products, diagnostic samples, genetically modified microorganisms, soil objects and other media, such as virus eggs, etc.
4.7 Class 7 radioactive substances
GB6944-2005
Substances containing radioactive nuclei and whose radioactive concentration and total active substances exceed the limit specified in GB1-B0 respectively, 4.8 Class 8 Class I is a kind of non-corrosive substance. When it is in contact with intact skin tissue, it will cause serious damage to the tissue, or when it leaks, it will cause serious damage to other materials. The material of the transport tool, the corrosive substance, which has been in contact with intact skin tissue for more than 4 years, will cause skin damage within 14 days, or when it is in contact with intact skin tissue for more than 5 years, the annual corrosion rate of the surface of 32351R-CR or similar models or aluminum without coating layer is more than 6.35.
4.9 The 9th item
The dangerous substances and articles
The dangerous substances and articles that are not included in other categories, such as: 9) Hazardous substances!
1) High-temperature substances:
Genetically modified organisms or tissues.
5 Product number
The product number of dangerous goods adopts the United Nations number. Each dangerous goods corresponds to a screening number, but if their properties are basically the same, the same screening number and treatment method can also be used for dangerous goods.4 Class 4 flammable solids, substances that emit flammable gases when in contact with water are classified into the following categories.
4.4.1 Class 4.1 flammable solids
include
) easily ignited, substances that can ignite or support combustion when in contact with water: 1) self-igniting substances that may emit strong thermal reactions; 4.4.2 Class 4.2 flammable solids
include;
a) pyrophoric substances,
b) self-heating substances:
4.4.3 Class 4.3 flammable gases that emit flammable gases when in contact with water; substances that can emit extremely large amounts of gases when in contact with water; 4.5 Class 5 oxidizing substances and organic peroxides are classified into 2 categories.
4.5.1 Item 5.1 Chemical substances
These substances are not necessarily chemical substances, they may cause or promote the combustion of other substances due to chemical reactions. 4. 5.2 Item 5.2 Organic peroxides have a molecular composition that is not necessarily organic, they may self-accelerate decomposition by exothermic heating: This type of substance may also have the following: · And one or more of the following properties; · Explosive decomposition (%) is required!
b) Rapid combustion:
) Causes allergic reactions or allergies:
) Dangerous reactions with other substances:
) Damage to the skin,
4.6 Class 6 toxic substances and infectious substances
Class 6 is divided into 2 items
4.6.1 Class 6.1 substances which may cause serious health damage by ingestion or skin contact. Acute oral toxicity, skin contact toxicity and inhalation toxicity: effective lethal dose (LL), skin contact toxicity (median lethal dose), LT: inhalation toxicity (median lethal dose), LC: Total ingestion amount: solid 12mgkg. liquid cmg/kg total skin contact 21b: effective dose: 00k powder, smoke, etc., half effective dose 10% or rest. 4.6.2 Item 6.2 Infectious substances
Substances that may cause disease, including sheep hook products, diagnostic samples, genetically modified microorganisms, soil objects and other media, such as virus eggs, etc.
4.7 Class 7 radioactive substances
GB6944-2005
Substances containing radioactive nuclei and whose radioactive concentration and total active substances exceed the limit specified in GB1-B0 respectively, 4.8 Class 8 Class I is a kind of non-corrosive substance. When it is in contact with intact skin tissue, it will cause serious damage to the tissue, or when it leaks, it will cause serious damage to other materials. The material of the transport tool, the corrosive substance, which has been in contact with intact skin tissue for more than 4 years, will cause skin damage within 14 days, or when it is in contact with intact skin tissue for more than 5 years, the annual corrosion rate of the surface of 32351R-CR or similar models or aluminum without coating layer is more than 6.35.
4.9 The 9th item
The dangerous substances and articles
The dangerous substances and articles that are not included in other categories, such as: 9) Hazardous substances!
1) High-temperature substances:
Genetically modified organisms or tissues.
5 Product number
The product number of dangerous goods adopts the United Nations number. Each dangerous goods corresponds to a screening number, but if their properties are basically the same, the same screening number and treatment method can also be used for dangerous goods.
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