About
This tool helps identify refrigerant gases, including ozone-depleting substances and their alternatives. It provides detailed information on chemical properties, hazards, and regulatory status for customs officers and technicians.
What's New in What Gas?
4.0.0
November 4, 2023
Refresh the whole application with new colours and rewrite using current technology.
Developer apps
FAQ
What is What Gas? used for?
What Gas? is an information and identification tool for refrigerant gases, including ozone-depleting substances (ODS), hydrofluorocarbons (HFCs), and their alternatives. It helps users identify chemicals, understand their properties, and check their regulatory status under the Montreal Protocol.
Who developed What Gas?
What Gas? was developed by the United Nations Environment Programme (UNEP) as part of their OzonAction initiative to assist developing countries in complying with the Montreal Protocol.
What kind of information does What Gas? provide?
The app provides chemical names, formulas, trade names, identifiers (CAS, ASHRAE, HS codes, UN numbers), flammability and hazards, ozone depleting potential (ODP), global warming potential (GWP), and Montreal Protocol control status for pure substances and mixtures.
Is What Gas? available in multiple languages?
Yes, What Gas? can be viewed in French and Spanish, in addition to English. This allows for broader accessibility to its users.
What are the ODP and GWP values used in What Gas?
The app uses standard ODP and GWP values specified in the Montreal Protocol text, as well as values from recent reports by Montreal Protocol expert panels and the IPCC. It also includes 'actual GWP' and 'Kigali Amendment context GWP' for controlled HFCs.
What devices is What Gas? compatible with?
What Gas? is available for iPhone, iPad, and iPod. It is designed to be a modern, easy-to-use tool accessible via mobile devices.
How often is What Gas? updated?
The latest version of What Gas? is 4.0.0, last updated on November 4, 2023. This indicates regular updates to ensure the information remains current.
Does What Gas? have ads?
No, What Gas? does not contain advertisements. It is a free application developed by the United Nations Environment Programme.