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Guides and tutorials for The Globally Harmonized System of Classification and Labelling of Chemicals (GHS).

Best free GHS guide ever! You can read it on your mobile devices. Topics covered include basic introduction, precedence rules, classification of mixture, cut-off value, concentration limit, GHS label for small containers and pesticides, GHS/TDG, as well as a summary of global GHS implementation.

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You can also read how GHS is adopted in other countries by clicking the links below:

Chemical Substances Control Law (CSCL)

The Act on the Evaluation of Chemical Substances and Regulation of Their Manufacture, etc. (hereinafter the “Chemical Substances Control Law”) was firstly enacted in 1973 in Japan to prevent environmental pollution by chemical substances that pose a risk to human health or the environment. That latest amendment was made in 2009. Full implementation of amended CSCL started from 1 April 2011.


CSCL controls both new and existing substances. For new substances, a strict pre-manufacture evaluation system is implemented. For existing substances, manufacturers or importers are required to report their quantity and uses annually if the volume of manufacture(M) or importation(I) exceeds certain amount and provide hazard data (if required by authority).

Read more about Japan CSCL..


Industrial Safety and Health Law (ISHL)

Industrial Safety and Health Law (ISHL) was firstly enacted in 1972 to protect the safety and health of workers in workplaces in Japan. IHSL designates substances that are prohibited to manufacture or import, substances requiring permission and chemical substances requiring safety data sheets and labels. ISHL also controls new substances and requires manufacturers and importers to notify them to the Japanese Ministry of Labor and Welfare (MHLW) prior to production and importation.

Read more about Japan ISHL...


Law for PRTR and Promotion of Chemical Management (PRTR Law)

The law concerning reporting, etc. of the release to the environment of specific chemical substances and promoting improvement in their management ('Law for PRTR and Promotion of Chemical Management' or PRTR Law) was enacted in 1999 in Japan. The purpose of this law is to promote businesses' voluntary improvements in the management of specified chemical substances and to prevent any environmental protection impediments. This law requires businesses to report chemical substances of concern under the PRTR System and to provide information on them under the SDS System.

Read more about PRTR law in Japan...


Poisonous and Deleterious Substances Control Law (PDSCL)

Poisonous and Deleterious Substances Control Law was implemented in 1950 to control poisonous and deleterious substances to protect the public health from a hygiene point of view. This law imposes a license requirement on manufacturers, importers and sellers of poisonous or deleterious substances. It also requires that persons engaged in relevant businesses shall meet prescribed standards for manufacturing or storing equipment of poisonous or deleterious substances and comply with specific requirements on storing, labelling or transferring.

Read more about PDSCL in Japan...

GHS in Japan

Various laws in Japan have required suppliers of hazardous chemicals to provide SDSs and labels. JIS7252 and JIS7253 have set detailed requirements on SDSs and labels in Japan.

Read more about GHS in Japan...

Toxic Chemical Substance Control Act(TCSCA)

The Toxic Chemical Substances Control Act (hereinafter referred to as 'TCSCA') is the most important chemical control law in Taiwan with a goal of preventing toxic chemical substances from polluting the environment and endangering human health. It has undergone 6 amendments since its first promulgation on November 26, 1986. The latest revised TCSCA was promulgated by Presidential Order on 11 Dec 2013 and comes into force on 11 Dec 2014.

The revised TCSCA introduces many concepts of EU REACH regulation into Taiwan. Under the new Act, enterprises manufacturing or importing new substances or a given quantity of existing chemical substances shall register those substances with the Environmental Protection Administration (EPA). Enterprises that manufacture or import new substances or existing toxic chemical substances without the approval of the EPA will be liable to fines in the range of NT$200,000-2 million for manufacturers or NT$30,000-300,000 for importers.

TCSCA also requires enterprises who handle certain controlled toxic chemical substances to apply for permits, registration or approval and comply with relevant management measures.

Read more about Taiwan TCSCA..


Occupational Safety and Health Act(OSHA)

Occupational Safety and Health Act (OSHA) is an amended version of previous Labor Safety and Health Act. It was promulgated on 3 July 2013 aiming at enhancing sound chemical management in workplace in Taiwan and comes into force on 3 July 2014.

Under OSHA, manufacturers or importers shall not manufacture or import new substances prior to submitting hazard and risk assessment report and obtaining the approval for registration of new substances.

In addition to that, OSHA stipulates that manufacturers or importers, prior to providing hazardous chemicals to business units or self-employed, shall label them and provide safety data sheets.

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GHS in Taiwan

GHS has been implemented for selected chemicals in Taiwan since 2008. Full implementation in scheduled in 2016 for all hazardous chemicals with physical and health hazards. Both TCSCA and OSHA require chemical suppliers to label the packages and containers of toxic chemicals or hazardous chemicals and provide safety data sheets prepared in accordance with relevant GHS regulations and standards in Taiwan.

Read more about Taiwan GHS..

Malaysia's CLASS Regulations

The Occupational Safety and Health (Classification, Labelling and Safety Data Sheet of Hazardous Chemicals) Regulations 2013 (known as CLASS Regulations) were gazetted on 11 October 2013 and officially introduced GHS into Malaysia.

A manufacturer or importer is required to prepare an inventory of hazardous chemicals, imported or supplied in a quantity of 1 ton per year or above for each calendar year. Such an inventory shall be submitted to the Department of Occupational Safety and Health no later than 31 March in the following year.

CLASS regulations also require chemical manufacturers, importers, formulators, and distributors to classify, label and package chemicals, and compile safety data sheets according to the Industry Code of Practice(ICOP) which is aligned with UN GHS Rev. 3.

Thailand Hazardous Substance Act B.E. 2535

Thailand's Hazardous Substance Act B.E. 2535 was issued in 1992. It is the most important chemical control law in Thailand with a purpose of protecting human health and our environment. The Act promulgates lists of hazardous substances for particular conditions of use in agriculture, public health, personal consumables and household products and classifies them into 4 types according to the needs for control.

Chemical Control Laws in Vietnam

In Vietnam, the main chemical law is the Chemical Law issued in Nov 2007. It is supported by various decree and ministerial circular such as.

  • Decree 108/2008/ND-CP Detailed regulation and guideline of implementation of several articles in Chemical Law;
  • Circular No. 40/2011/TT-BCT of November 14, 2011, on Chemical declaration;
  • Circular no. 04/2012/TT-BCT stipulating the regulations on classification and chemical labeling;

The Chemical Law provides regulations on chemical handling, safety in chemical handling, right and obligations of organizations and individuals engaged in chemical handling, and state management of chemical handling.

Decree 108/2008/ND-CP has designated lists of chemicals subject to regulatory control under the Chemical Law and specified detailed conditions on chemical manufacturers and traders.

Pre-Manufacture and Pre-Importation Notification (PMPIN) of New Substance in Philippines

Pre-Manufacture and Pre-Importation Notification (PMPIN) for new substances was authorized by the Republic Act 6969 - Toxic Substances and Hazardous and Nuclear Waste Control Act of 1990. Manufacturers and importers of a new substance that is not listed on PICCS are required to notify DENR-EMB(*) of their intent to manufacture or import the new substance not sooner than 180 days and not later than 90 days.

Australia NICNAS - National Industrial Chemicals Notification and Assessment Scheme

The National Industrial Chemicals Notification and Assessment Scheme, known as NICNAS, was established in 1990 under the Industrial Chemicals (Notification and Assessment) Act 1989 with the purpose of protecting workers, the public and the environment from the harmful effects of industrial chemicals.

NICNAS assesses industrial chemicals that are new to Australia for their health and environmental effects before they are introduced to Australia. All new industrial chemicals (i.e. those not listed on AICS) must be notified to NICNAS and assessed prior to their import or manufacture in Australia unless they are exempt.

NICNAS also assesses some priority existing chemicals (PECs) that are already in use in Australia. Companies who introduce PECs to Australia shall also apply for the assessment. If you export chemicals to Australia, you shall check if they contain any new substances or PECs first.