Fact sheets

NICNAS assesses the risks of industrial chemicals to human health and the environment, and makes recommendations to other government agencies that regulate the use and disposal of chemicals.

These fact sheets are for a general audience and contain information about the risks of certain chemicals for industrial use in Australia, including recommendations for safe use.

Please note, our recommendations are not always implemented by chemical regulators. For the most up-to-date information about how a particular chemical is regulated in your State or Territory you will need to contact other government agencies. Read What we do for details about our regulatory partners.


Chemical/trade name: A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

The fact sheets are in alphabetical order by chemical or trade name. Click on a letter in the list or use the page links. A name that begins with a number can be found in 1,2,3...

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Click on the chemical name to read the full fact sheet.


CAS number(s): 306-83-2

2,2-dichloro-1,1,1-trifluoroethane (HCFC-123) is used as a refrigerant in air-conditioning chillers and in fire extinguishers, particularly those for electrical fires.

Hexabromocyclododecane (HBCD)

CAS number(s): 25637-99-4

Hexabromocyclododecane (HBCD) is one of a group of polybrominated flame retardants, or PBFRs. It is used in expandable polystyrene foams in domestic and industrial building insulation, packaging of industrial products and bean bag fills.

Hydrofluoric acid

CAS number(s): 7664-39-3

Hydrofluoric acid is used in laboratories and in products mainly used in metal treatment or cleaning, fabric rust removal, floor and wall treatment, glass etching and ceramics.

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Last update 29 July 2018