e-SDS, otherwise known as an extended SDS. An extended SDS is a document of chemical safety. It is much longer and detailed than the standard SDS. It consists of a standard SDS which has more subsections than the general one, and an additional annex containing one or more exposure scenario(s). The necessity of e-SDS The 1907/2006/EC REACH prescribes that those substances, which: is produced in more than 10 tonnes/year, and considered as hazardous substance, exposure scenarios have to be prepared. These exposure scenarios have to be appended to the SDS, therefore a so-called extended SDS (e-SDS) is created. The descriptor system The descriptor system is created by ECHA for the use in exposure scenarios and in extended safety data sheets E-SDS Several type of descriptors is available. Types: Descriptor-list for sectors of use (SU) Descriptor-list for Chemical Product Category (PC) Descriptor-list for process categories (PROC) Description for Environmental Release Categories (ERC) Useful information Main duties of downstream users A brief REACH overview for distributors Chemical safety de:E-SDS