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Avis adoptés et consultations antérieures sur des demandes d’autorisation

Avis adoptés et consultations antérieures sur des demandes d’autorisation


This page provides further information on the applications for authorisation or review reports, which have undergone consultation. The applications for authorisation are in the opinion development phase until the final opinions of the Committees for Risk Assessment and Socio-economic Analysis have been adopted and sent to the European Commission. The European Commission's decision-making process can be followed through the comitology register, where further information is published about the REACH Committee's past and upcoming meetings.

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Substance Details

1,2-Dichloroethane (EDC)
EC Number
CAS Number
Entry Nr in Annex XIV
Use name
Industrial use of 1,2-Dichloroethane as a solvent for the synthesis of Polyepichlorohydrin used as a precursor in the production of Glycidyl Azide Polymer, an oligomer with hydroxyl terminations used to increase the energetic performance of propellants and explosives
Broad information on use applied for (conditions of use and function)
1,2-Dichloroethane is used as a solvent for the synthesis of Polyepichlorohydrin, used as a precursor in the production of Glycidyl Azide Polymer. The global chemical reaction is a two-stage process, involving polymerisation of Epichlorohydrin (ECH) to Polyepichlorohydrin (PECH) followed by the conversion of PECH to Glycidyl Azide Polymer (GAP) by nucleophilic substitution with chloride azide. Polymerisation of ECH to PECH is carried out using 1,2-EDC as solvent. The use of 1,2-EDC is limited to the polymerisation step.. Additional information on the process is given in the CSR, pages 20-22.

The properties of 1,2-EDC that are considered to be critical for the synthesis of PECH include:

  • solubilisation of raw materials of synthesis of polyepichlorohydrin
  • solubilisation of polyepichlorohydrin
  • chemical inertia toward reagents
  • controlled water content and acidity
  • non-miscibility with water
  • controlled boiling point.
Additional information on essential criteria for substance function is given in the Analysis of Alternatives, pages 30-31.

Annual tonnage used: 2.6
Review period requested: 4 years
Use applied for number in application for authorisation
Broad information on use applied for (Use descriptor system)
Sector of end use (SU): 9: Manufacture of fine chemicals
Environmental release category (ERC): 6b
Process category (PROC): 5, 8a, 9, 15
Product category (PC): 20: Products such as ph-regulators, flocculants, precipitants, neutralisation agents
Technical Function: Solvent
Summary table of RMMs and OCs (non confidential)
Section 9 and 10 of the CSR (original and updated, if available) (non confidential)
Analysis of Alternatives (non confidential report)
Substitution Plan (non confidential summary)
Socio-Economic Analysis (non confidential report)
Joint Analysis of Alternatives and Socio-Economic Analysis (non confidential report)
Explanatory note
Additional information
Application type
Commission decided
Other consultations on the same/ similar use
Comments submitted to date
No comments received
Response to comments by applicant
Responses to RAC and SEAC requests by Applicant(s) (non confidential)
Compiled RAC and SEAC opinions
Minority positions
Adopted commission decision (OJ summary)
Authorisation decision

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