Distribution Notice of 

Inventory of the Existing Chemical Substances in China

IECSC 2005 Edition

     In order to strengthen the environmental management on chemicals, improve the measures of chemical environmental management, establish a system of new chemical substance notification in accordance with internationally typical operation, and implement the acceptances of entering WTO, the State Environmental Protection Administration (SEPA) has promulgated the Provisions on the Environmental Administration of New Chemical Substances. To cooperate the implementation of the Provisions, SEPA has completed the compilation of the Inventory of Existing Chemical Substances Manufactured or Imported in China (IECSC) for the purposes to identify new chemical substances and to master the status of existing chemical substances in China.


     IECSC 2005 Edition covers the chemical substances on the 6th case-by-case supplementation, as well as those of the former edition. There are 44922 chemical substances totally, where 37346 with CAS Number (in which CAS numbers of 292 chemical substances have been replaced with serial numbers due to the confidentiality) , and 7576 without CAS Number (or unknown). For substances without or unknown CAS number, an unique serial number was given in IECSC.


     IECSC is a dynamic inventory. SEPA will publicize the substances which have been registered in accordance with the Provisions or accord with the rules of IECSC.


     A PC version of IECSC is also available. Thank you for using IECSC. Having any comments, please don't hesitate to contact us: webservice@crc-mep.org.cn.

For the purpose of correction of this edition, CRC-SEPA puts IECSC query software in our web site for relative people to query:(http://www.crc-mep.org.cn/cgi-bin/inven/bin/index.htm) .

The  PC version of IECSC 2005 Edition is also available here.

CRC-SEPA also prepared the print version of "Inventory of the Existing Chemical Substances in China", which contains the information of chemicals supplemented in 1999 and before. The amount of the print version copies is limited, please order it soon. CRC-SEPA will publish the  content of later supplementation of the Inventory in the form of print copies in future.

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