13 Feb HSNO Classifications
For labelling and transport information, please click here.
Some older Material Safety Data Sheets (MSDs) use HSNO Classifications, while newer MSDs use GHS Classifications.
The Hasmate program can handle both types of Classifications at this time.
HSNO Hazard Classifications and Descriptions
1.1 Substances and articles that have a mass explosion hazard
1.2 Substances and articles that have a projection hazard but not a mass explosion hazard
1.3 Substances and articles that have a fire hazard and either a minor blast hazard or a minor projection hazard, or both, but not a mass explosion hazard
1.4 Substances and articles that present no significant explosive hazard
1.5 Very insensitive substances that have a mass explosion hazard
1.6 Extremely insensitive articles that do not have a mass explosion hazard
2.1.1A Flammable gas – high hazard
2.1.1B Flammable gas – medium hazard
2.1.2A Flammable aerosol
3.1A Flammable liquid – very high hazard
3.1B Flammable liquid – high hazard
3.1C Flammable liquid – medium hazard
3.1D Flammable liquid – low hazard
4.1.1A Readily combustible solids and solids that may cause fire through friction: medium hazard
4.1.1B Readily combustible solids and solids that may cause fire through friction: low hazard
4.1.2A Self-reactive substances: type A
4.1.2B Self-reactive substances: type B
4.1.2C Self-reactive substances: type C
4.1.2D Self-reactive substances: type D
4.1.2E Self-reactive substances: type E
4.1.2F Self-reactive substances: type F
4.1.2G Self-reactive substances: type G
4.1.3A Solid desensitised explosives: high hazard
4.1.3B Solid desensitised explosives: medium hazard
4.1.3C Solid desensitised explosives: low hazard
4.2A Spontaneously combustible substances: pyrophoric substances: high hazard
4.2B Spontaneously combustible substances: self-heating substances: medium hazard
4.2C Spontaneously combustible substances: self-heating substances: low hazard
4.3A Solids that emit flammable gas when in contact with water: high hazard
4.3B Solids that emit flammable gas when in contact with water: medium hazard
4.3C Solids that emit flammable gas when in contact with water: low hazard
5.1.1A Oxidising substances that are liquids or solids: high hazard
5.1.1B Oxidising substances that are liquids or solids: medium hazard
5.1.1C Oxidising substances that are liquids or solids: low hazard
5.1.2A Oxidising substances that are gases
5.2A Organic peroxides: type A
5.2B Organic peroxides: type B
5.2C Organic peroxides: type C
5.2D Organic peroxides: type D
5.2E Organic peroxides: type E
5.2F Organic peroxides: type F
5.2G Organic peroxides: type G
6.1A Substances that are acutely toxic – Fatal
6.1B Substances that are acutely toxic – Fatal
6.1C Substances that are acutely toxic – Toxic
6.1D Substances that are acutely toxic – Harmful
6.1E Substances that are acutely toxic – May be harmful, aspiration hazard
6.3A Substances that are irritating to the skin
6.3B Substances that are mildly irritating to the skin
6.4A Substances that are irritating to the eye
6.5A Substances that are respiratory sensitisers
6.5B Substances that are contact sensitisers
6.6A Substances that are known or presumed human mutagens
6.6B Substances that are suspected human mutagens
6.7A Substances that are known or presumed human carcinogens
6.7B Substances that are suspected human carcinogens
6.8A Substances that are known or presumed human reproductive or developmental toxicants
6.8B Substances that are suspected human reproductive or developmental toxicants
6.8C Substances that produce toxic human reproductive or developmental effects on or via lactation
6.9A Substances that are toxic to human target organs or systems
6.9B Substances that are harmful to human target organs or systems
8.1A Substances that are corrosive to metals
8.2A Substances that are corrosive to dermal tissue (UN PGI)
8.2B Substances that are corrosive to dermal tissue (UN PGII)
8.2C Substances that are corrosive to dermal tissue (UN PGIII)
8.3A Substances that are corrosive to ocular tissue
9.1A Substances that are very ecotoxic in the aquatic environment
9.1B Substances that are ecotoxic in the aquatic environment
9.1C Substances that are harmful in the aquatic environment
9.1D Substances that are slightly harmful to the aquatic environment or are otherwise designed for biocidal action
9.2A Substances that are very ecotoxic in the soil environment
9.2B Substances that are ecotoxic in the soil environment
9.2C Substances that are harmful in the soil environment
9.2D Substances that are slightly harmful in the soil environment
9.3A Substances that are very ecotoxic to terrestrial vertebrates
9.3B Substances that are ecotoxic to terrestrial vertebrates
9.3C Substances that are harmful to terrestrial vertebrates
9.4A Substances that are very ecotoxic to terrestrial invertebrates
9.4B Substances that are ecotoxic to terrestrial invertebrates
9.4C Substances that are harmful to terrestrial invertebrates
GHS Hazard Classifications
1.1A
1.1B
1.1C
1.1D
1.1E
1.1F
1.1G
1.1J
1.1L
1.2B
1.2C
1.2D
1.2E
1.2F
1.2G
1.2H
1.2J
1.2K
1.2L
1.3C
1.3F
1.3G
1.3H
1.3J
1.3K
1.3L
1.4B
1.4C
1.4D
1.4E
1.4F
1.4G
1.4S
Unstable Explosive
1.5D
1.6N
Flammable Gas Category 1A
Flammable Gas Category 1A Pyrophoric Gas
Flammable Gas Category 1A Chemically Unstable Gas A
Flammable Gas Category 1A Chemically Unstable Gas B
Flammable Gas Category 1B
Flammable Gas Category 2
Aerosol Category 1
Aerosol Category 2
Aerosol Category 3
Compressed Gas
Liquefied Gas
Refrigerated Liquefied Gas
Dissolved Gas
Flammable Liquids Category 1
Flammable Liquids Category 2
Flammable Liquids Category 3
Flammable Liquids Category 4
Desensitised Explosive Category 1
Desensitised Explosive Category 2
Desensitised Explosive Category 3
Desensitised Explosive Category 4
Flammable Solids Category 1
Flammable Solids Category 2
Self-Reactive Substances and Mixtures Type A
Self-Reactive Substances and Mixtures Type B
Self-Reactive Substances and Mixtures Type C
Self-Reactive Substances and Mixtures Type D
Self-Reactive Substances and Mixtures Type E
Self-Reactive Substances and Mixtures Type F
Self-Reactive Substances and Mixtures Type G
Pyrophoric Liquids Category 1
Pyrophoric Solids Category 1
Self-Heating Substances and Mixtures Category 1
Self-Heating Substances and Mixtures Category 2
Substances and Mixtures Which, In Contact With Water, Emit Flammable Gases Category 1
Substances and Mixtures Which, In Contact With Water, Emit Flammable Gases Category 2
Substances and Mixtures Which, In Contact With Water, Emit Flammable Gases Category 3
Oxidising Liquids Category 1
Oxidising Solids Category 1
Oxidising Liquids Category 2
Oxidising Solids Category 2
Oxidising Liquids Category 3
Oxidising Solids Category 3
Oxidising Gases Category 1
Organic Peroxide Type A
Organic Peroxide Type B
Organic Peroxide Type C
Organic Peroxide Type D
Organic Peroxide Type E
Organic Peroxide Type F
Organic Peroxide Type G
Corrosive to Metals Category 1
Acute Oral Toxicity Category 1
Acute Dermal Toxicity Category 1
Acute Inhalation Toxicity Category 1
Acute Oral Toxicity Category 2
Acute Dermal Toxicity Category 2
Acute Inhalation Toxicity Category 2
Acute Oral Toxicity Category 3
Acute Dermal Toxicity Category 3
Acute Inhalation Toxicity Category 3
Acute Oral Toxicity Category 4
Acute Dermal Toxicity Category 4
Acute Inhalation Toxicity Category 4
Aspiration Hazard Category 1
6.1E (oral)
6.1E (dermal)
6.1E (inhalation)
Specific Target Organ Toxicity – Single Exposure Category 3 Respiratory Tract Irritation
Skin Corrosion/Irritation Category 1A
Skin Corrosion/Irritation Category 1B
Skin Corrosion/Irritation Category 1C
Skin Corrosion/Irritation Category 2
Serious Eye Damage/Eye Irritation Category 1
Serious Eye Damage/Eye Irritation Category 2
Respiratory Sensiitisation Category 1
Skin Sensitisation Category 1
Germ Cell Mutagenicity Category 1
Germ Cell Mutagenicity Category 2
Carcinogenicity Category 1
Carcinogenicity Category 2
Reproductive Toxicity Category 1
Reproductive Toxicity Category 2
Effects On or Via Lactation
Specific Target Organ Toxicity – Single Exposure Category 1
Specific Target Organ Toxicity – Repeated Exposure Category 1
Specific Target Organ Toxicity – Single Exposure Category 2
Specific Target Organ Toxicity – Repeated Exposure Category 2
Specific Target Organ Toxicity – Single Exposure Category 3 Narcotic Effects
Hazardous to the Aquatic Environment Acute Category 1
Hazardous to the Aquatic Environment Chronic Category 1
Hazardous to the Aquatic Environment Chronic Category 2
Hazardous to the Aquatic Environment Chronic Category 3
Hazardous to the Aquatic Environment Chronic Category 4
Hazardous to Soil Organisms
Hazardous to Terrestial Vertebrates
Hazardous to Terrestrial Invertebrates
Designed for Biocidal Action
If you have further questions or require training, please contact Hasmate.