As a new feature of the UNODC Early Warning Advisory (EWA) on new psychoactive substances (NPS), the EWA Tox-Portal is an innovative tool to collect, analyse and share data on toxicology and harm related to the use of NPS at a global level.

Mar 6, 2018 · Acute toxicitity studies usually include 3 routes: oral, dermal and inhalation. There are 5 acute toxicity categories under GHS although some jurisdictions (i.e, EU) have not implemented category 5. The table below shows GHS classification criteria for acute toxicity for different routes. LD50 and LC50 values are needed for GHS classification.

Feb 9, 2019 · In this article, we will explain the traditional Acute Toxicity Estimate (ATE) Method for classifying a mixture for its acute toxicity and give you two examples.

The STopTox app is a fast, reliable, and user-friendly tool available as an alternative method for assessing the potential of chemicals to cause acute toxicity. The acute toxicity tests are used to identify hazard potentials resulting from short exposure times.

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Substance information for UN 2922 - Corrosive liquids, toxic, n.o.s. based on the Hazardous Materials Table (Title 49 CFR 172.101) to assist in preparing a risk assessment for loading, transporting and storing hazardous materials.

GHS, the Globally Harmonized System of Classification and Labeling of Chemicals, was developed by the United Nations as a way to bring into agreement the chemical regulations and standards of different countries.

You will find below the electronic version of GHS Rev.9, available for free for consultation purposes in the six UN official languages (Arabic, Chinese, English, French, Russian and Spanish). The files are published on this page as soon as they become available for each linguistic version.

Jan 6, 2016 · GHS cut-off value or GHS concentration limit is the minimum concentration for a hazardous substance to trigger the classification of a mixture containing it. They are mainly expressed as % thresholds and are primarily used for mixture classification under GHS.

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