1964_DANGEROUS_GOODS_(CLASSIFICATION)_REGULATIONS — Page 10

HK Historical Laws 香港歷史法例 All AI Reviewed

CAP. 295]

[Subsidiary]

Helium Hydrogen Krypton

Methane

Application & Exemption

Dangerous Goods (Classification) Regulations

Neon Nitrogen Oxygen

and

[1983 Ed.

any other gas not liquefiable by compression at atmospheric temperatures.

Class 2-Liquefied gases

Air, liquid

Ammonia, anhydrous

Boron Trichloride

Butadiene

Carbon Dioxide

Chlorine

Chlorotrifluoromethane (Arcton 13, Freon 13)

Cyanogen

Cyclopropane

Dichlorodifluoromethane (Arcton 12, Freon 12)

Dichlorodifluoromethane/Trichlorofluoromethane Mixtures (Arcton 12/11, Freon 12/11)

Dichlorofluoromethane (Arcton 21, Freon 21)

Dichlorotetrafluoroethane (Arcton 114, Freon 114)

Dimethyl Ether

Dimethylamine

Ethane

Ethyl Chloride

Ethylene

Ethylene Oxide

Hydrogen Chloride (Hydrochloric Acid, Anhydrous)

Hydrogen Cyanide (Hydrocyanic Acid, Anhydrous)

Hydrogen Fluoride (Hydrofluoric Acid, Anhydrous)

Hydrogen Sulphide (Sulphuretted Hydrogen)

Methyl Bromide Methyl Chloride

Monochlorodifluoromethane (Arcton 22, Freon 22) Monomethylamine

Nitrogen Tetroxide (Nitrogen Peroxide)

Nitrosyl Chloride

Nitrous Oxide

Oxygen, liquid

Petroleum Gas (Butane, Isobutane, Propane or any mixture thereof)

Phosgene

Propylene

Sulphur Dioxide

Trichloromonofluoromethane (Arcton 11, Freon 11) Trimethylamine

and

any other liquefied gas not above specified.

Class 3-Dissolved gases

:

Acetylene

and

L.N. 16/66.

any other dissolved gas not above specified.

CATEGORY 3

CORROSIVE SUBSTANCES

Acetic Acid over 80% strength by weight

Acetic Anhydride

Acetyl Chloride

Aluminium Chloride, Anhydrous

Ammonium Hydrogen Fluoride (Ammonium Bifluoride)

Antimony Pentachloride (Antimony Perchloride)

Antimony Trichloride (Antimonious Chloride)

Battery Fluid (Electrolyte)

Benzoyl Chloride

Boron Trifluoride Acetic Acid complex Calcium Hydrogen Sulphite Solution (Calcium Bisulphite Solution)

Chloroacetic Acid (Monochloroacetic Acid)

Chloroacetyl Chloride

Chlorosulphonic Acid (with or without Sulphur Trioxide)

Chromic Acid (Solution)

Chromic Fluoride

Diphenylmethyl Bromide

Fluoboric Acid (Hydrofluoboric Acid) Formic Acid

Hydriodic Acid (Hydrogen Iodide Solution)

Hydrobromic Acid (Hydrogen Bromide Solution)

Hydrochloric Acid (Muriatic Acid, Spirits of Salt)

Page 10

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2026-05-04 13:13:00 · NVIDIA / meta/llama-4-maverick-17b-128e-instruct
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CAP. 295] [Subsidiary] Helium Hydrogen Krypton Methane Application & Exemption Dangerous Goods (Classification) Regulations Neon Nitrogen Oxygen and [1983 Ed. any other gas not liquefiable by compression at atmospheric temperatures. Class 2-Liquefied gases Air, liquid Ammonia, anhydrous Boron Trichloride Butadiene Carbon Dioxide Chlorine Chlorotrifluoromethane (Arcton 13, Freon 13) Cyanogen Cyclopropane Dichlorodifluoromethane (Arcton 12, Freon 12) Dichlorodifluoromethane/Trichlorofluoromethane Mixtures (Arcton 12/11, Freon 12/11) Dichlorofluoromethane (Arcton 21, Freon 21) Dichlorotetrafluoroethane (Arcton 114, Freon 114) Dimethyl Ether Dimethylamine Ethane Ethyl Chloride Ethylene Ethylene Oxide Hydrogen Chloride (Hydrochloric Acid, Anhydrous) Hydrogen Cyanide (Hydrocyanic Acid, Anhydrous) Hydrogen Fluoride (Hydrofluoric Acid, Anhydrous) Hydrogen Sulphide (Sulphuretted Hydrogen) Methyl Bromide Methyl Chloride Monochlorodifluoromethane (Arcton 22, Freon 22) Monomethylamine Nitrogen Tetroxide (Nitrogen Peroxide) Nitrosyl Chloride Nitrous Oxide Oxygen, liquid Petroleum Gas (Butane, Isobutane, Propane or any mixture thereof) Phosgene Propylene Sulphur Dioxide Trichloromonofluoromethane (Arcton 11, Freon 11) Trimethylamine and any other liquefied gas not above specified. Class 3-Dissolved gases : Acetylene and L.N. 16/66. any other dissolved gas not above specified. CATEGORY 3 CORROSIVE SUBSTANCES Acetic Acid over 80% strength by weight Acetic Anhydride Acetyl Chloride Aluminium Chloride, Anhydrous Ammonium Hydrogen Fluoride (Ammonium Bifluoride) Antimony Pentachloride (Antimony Perchloride) Antimony Trichloride (Antimonious Chloride) Battery Fluid (Electrolyte) Benzoyl Chloride Boron Trifluoride Acetic Acid complex Calcium Hydrogen Sulphite Solution (Calcium Bisulphite Solution) Chloroacetic Acid (Monochloroacetic Acid) Chloroacetyl Chloride Chlorosulphonic Acid (with or without Sulphur Trioxide) Chromic Acid (Solution) Chromic Fluoride Diphenylmethyl Bromide Fluoboric Acid (Hydrofluoboric Acid) Formic Acid Hydriodic Acid (Hydrogen Iodide Solution) Hydrobromic Acid (Hydrogen Bromide Solution) Hydrochloric Acid (Muriatic Acid, Spirits of Salt) Page 10 Page 11
Baseline (Original)
A 10 CAP. 295] [Subsidiary] Helium Hydrogen Krypton Methane Application & Exemption Dangerous Goods (Classification) Regulations Neon Nitrogen Oxygen and [1983 Ed. any other gas not liquefiable by compression at atmospheric temperatures. Class 2-Liquefied gases Air, liquid Ammonia, anhydrous Boron Trichloride Butadiene Carbon Dioxide Chlorine Chlorotrifluoromethane (Arcton 13, Freon 13) Cyanogen Cyclopropane Dichlorodifluoromethane (Arcton 12, Freon 12) Dichlorodifluoromethane/Trichlorofluoro- methane Mixtures (Arcton 12/11, Freon 12/11) Dichlorofluoromethane (Arcton 21, Freon 21) Dichlorotetrafluoroethane (Arcton 114, Freon 114) Dimethyl Ether Dimethylamine Ethane Hydrogen Chloride (Hydrochloric Acid, Anhydrous) Hydrogen Fluoride (Hydrofluoric Acid, Anhydrous) Hydrogen Sulphide (Sulphuretted Hydrogen) Methyl Bromide Methyl Chloride Monochlorodifluoromethane (Arcton 22, Freon 22) Monomethylamine Nitrogen Tetroxide (Nitrogen Peroxide) Nitrosyl Chloride Nitrous Oxide Oxygen, liquid Petroleum Gas (Butane, Isobutane, Propane or any mixture thereof) Phosgene Propylene Sulphur Dioxide Trichloromonofluoromethane (Arcton Ethyl Chloride Ethylene Ethylene Oxide Hydrogen Cyanide (Hydrocyanic Acid, Anhydrous) and 11. Freon 11) Trimethylamine any other liquefied gas not above specified. Class 3-Dissolved gases : Acetylene and L.N. 16/66. any other dissolved gas not above specified. CATEGORY 3 CORROSIVE SUBSTANCES Acetic Acid over 80% strength by weight Acetic Anhydride Acetyl Chloride Aluminium Chloride, Anhydrous Ammonium Hydrogen Fluoride (Ammonium Bifluoride) Antimony Pentachloride (Antimony Perchloride) Antimony Trichloride (Antimonious Chloride) Battery Fluid (Electrolyte) Benzoyl Chloride Boron Trifluoride Acetic Acid complex Calcium Hydrogen Sulphite Solution (Calcium Bisulphite Solution) Chloroacetic Acid (Monochloroacetic Acid) Chloroacetyl Chloride Chlorosulphonic Acid (with or without Sulphur Trioxide) Chromic Acid (Solution) Chromic Fluoride Diphenylmethyl Bromide Fluoboric Acid (Hydrofluoboric Acid) Formic Acid Hydriodic Acid (Hydrogen Iodide Solution) Hydrobromic Acid (Hydrogen Bromide Solution) Hydrochloric Acid (Muriatic Acid, Spirits of Salt) Page 10Page 11
2026-05-04 13:13:00 · Baseline
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A 10

CAP. 295]

[Subsidiary]

Helium Hydrogen Krypton

Methane

Application & Exemption

Dangerous Goods (Classification) Regulations

Neon Nitrogen Oxygen

and

[1983 Ed.

any other gas not liquefiable by compression at atmospheric temperatures.

Class 2-Liquefied gases

Air, liquid

Ammonia, anhydrous

Boron Trichloride

Butadiene

Carbon Dioxide

Chlorine

Chlorotrifluoromethane (Arcton 13,

Freon 13)

Cyanogen

Cyclopropane

Dichlorodifluoromethane (Arcton 12,

Freon 12)

Dichlorodifluoromethane/Trichlorofluoro-

methane Mixtures (Arcton 12/11, Freon 12/11)

Dichlorofluoromethane (Arcton 21,

Freon 21)

Dichlorotetrafluoroethane (Arcton

114, Freon 114)

Dimethyl Ether

Dimethylamine

Ethane

Hydrogen Chloride (Hydrochloric

Acid, Anhydrous)

Hydrogen Fluoride (Hydrofluoric

Acid, Anhydrous)

Hydrogen Sulphide (Sulphuretted

Hydrogen)

Methyl Bromide Methyl Chloride

Monochlorodifluoromethane

(Arcton 22, Freon 22) Monomethylamine

Nitrogen Tetroxide (Nitrogen

Peroxide)

Nitrosyl Chloride

Nitrous Oxide

Oxygen, liquid

Petroleum Gas (Butane, Isobutane,

Propane or any mixture

thereof)

Phosgene

Propylene

Sulphur Dioxide

Trichloromonofluoromethane (Arcton

Ethyl Chloride

Ethylene

Ethylene Oxide

Hydrogen Cyanide (Hydrocyanic

Acid, Anhydrous)

and

11. Freon 11) Trimethylamine

any other liquefied gas not above specified.

Class 3-Dissolved gases

:

Acetylene

and

L.N. 16/66.

any other dissolved gas not above specified.

CATEGORY 3

CORROSIVE SUBSTANCES

Acetic Acid over 80% strength by

weight

Acetic Anhydride

Acetyl Chloride

Aluminium Chloride, Anhydrous

Ammonium Hydrogen Fluoride

(Ammonium Bifluoride)

Antimony Pentachloride (Antimony

Perchloride)

Antimony Trichloride (Antimonious

Chloride)

Battery Fluid (Electrolyte)

Benzoyl Chloride

Boron Trifluoride Acetic Acid complex Calcium Hydrogen Sulphite Solution

(Calcium Bisulphite Solution)

Chloroacetic Acid (Monochloroacetic

Acid)

Chloroacetyl Chloride

Chlorosulphonic Acid (with or

without Sulphur Trioxide)

Chromic Acid (Solution)

Chromic Fluoride

Diphenylmethyl Bromide

Fluoboric Acid (Hydrofluoboric Acid) Formic Acid

Hydriodic Acid (Hydrogen Iodide

Solution)

Hydrobromic Acid (Hydrogen

Bromide Solution)

Hydrochloric Acid (Muriatic Acid,

Spirits of Salt)

Page 10Page 11

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