Standard No.:	GB/T 23955-2009
English Name:	General principle for naming of chemicals
Chinese Name:	化学品命名通则
Chinese Classification:	G04    Basic standards and general methods
Professional Classification:	GB    National Standard
Source Content Issued by:	AQSIQ
Issued on:	2009-6-2
Implemented on:	2010-2-1
Status:	valid
Target Language:	English
File Format:	PDF
Word Count:	3000 words
Translation Price(USD):	184.0
Delivery:	via email in 1 business day

1 Scope This standard specifies the general principles for naming of mono-constituent substances, multi-constituent substances and UVCB substances. This standard is applicable to the naming of mono-constituent substances, multi-constituent substances and UVCB substances in REACH regulatory framework. 2 Terms and Definitions For the purpose of this standard, the following terms and definitions apply. 2.1 Additive A substance that has been intentionally added to stabilize the substance. Note: In other areas, an additive may also have other functions, e.g. pH-regulator or coloring agent. 2.2 Component Substance intentionally added to form a preparation. 2.3 Constituent Any single species present in a substance that can be characterized by its unique chemical identity. 2.4 EC Inventory The three European lists of substances from the previous EU chemicals regulatory framework, EINECS, ELINCS and the NLP-list, in combination are called the EC Inventory. Note: The EC Inventory is the source for the EC Number as an identifier of substances.

Foreword I 1 Scope 2 Terms and Definitions 3 Introduction 4 Substances of Well-defined Composition 5 UVCB Substances