In its liquid state, it appears as a yellowish-brown coloured compound. Top Answer. A substance identified primarily by an EC or list number may be linked with more than one CAS number, or with CAS numbers that have been deleted. ECHA maintains the C&L Inventory, but does not review or verify the accuracy of the information.

2(b)(i) - Hazardous Agents, EU Ecolabels - Restrictions for Hazardous Substances/Mixtures, IPPC, Annexes V, VI, VIII - Provisions relating to industrial plants, Occupational Exposure Limits - 4th list - Indicative OELVs, Physical, Biological and Chemical Agents & Processes and Work, Workplace Signs - minimum requirements & signs on containers and pipes, Waste Framework Directive, Annex III - Waste - Hazardous Properties, Applications for authorisation consultations, Harmonised classification and labelling consultations, ECHA Executive Director’s requests related to the CLH process, Consultation on potential candidates for substitution, Consultation on derogation to the exclusion criteria, ECHA's Executive Director Requests to the Committees, Consultation on a draft recommendation for amendment of Authorisation List entries, Consultations in the authorisation process, Occupational exposure limits - Call for comments and evidence, Occupational exposure limits - Previous calls for comments and evidence, Occupational exposure limits – Consultations on OEL recommendation, Derogations for the protection of cultural heritage, ECHA's current activities on restrictions, ECHA's completed activities on restriction, Information on Candidate List substances in articles table, Information from the Existing Substances Regulation (ESR), PBT/vPvB assessments under the previous EU chemicals legislation, Adopted opinions and previous consultations on applications for authorisation, Adopted opinions on restriction proposals, Mapping exercise – Plastic additives initiative, Occupational exposure limits substance evaluations, List of substances subject to POPs Regulation, Small and Medium-sized Enterprises (SMEs), Practical examples of chemical safety reports. The list is based on Council Directive 98/24/EC. “A small bubble of air remained unabsorbed… if there is any part of the phlogisticated air [nitrogen] of our atmosphere which differs from the rest, and cannot be reduced to nitrous acid, we may safely conclude it is not more than 1/120 part of the whole.” — Henry Cavendish. This article will explain Nitrogen Dioxide and its formula. REACH regulation aims to improve the protection of human health and the environment from the risks that can be posed by chemicals. Upon heating, Nitrogen Dioxide decomposes back into lower oxides of Nitrogen (NO) as well as Oxygen. If you are on a personal connection, like at home, you can run an anti-virus scan on your device to make sure it is not infected with malware. Reactive nitrogen species (RNS) include, nitrogen dioxide (.NO2) and peroxynitrite (ONOO-).