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Appendices 1-18 to: Report on the Health Effects of Selected Pesticide Coformulants

Appendix 15: Polyethylene glycol dodecylether (polyEGDE) 
112     General description

112.1     Identity

Polyethylenglycoldodecylether (polyEGDE) is a linear alkyl polyethoxylate. It consists of a dodecyl alcohol attached by an ether linkage to a polyethylene glycol moiety. The number of ethylene oxide molecules can vary, usually being 4, 7, 9 or 23.

Molecular formula:          (C₂H₄O)_nC₁₂H₂₆O

Structural formula:          

Molecular weight:            600 (n = 9)

                                      362 (n = 4)

CAS-no.:                        9002-92-0

Synonyms:                      Polyethylene, dodecyl ether

                                      Ethoxylated dodecyl alcohol

                                      Dodecyl alcohol polyoxyethylene ether

                                      Lauryl alcohol ethylene oxide

                                      Polyoxyethylene lauryl ether

                                      Dodecanol ethylene oxide

                                      Polyethoxylated dodecanol

112.2     Physico / chemical properties

Description:                    Colourless to yellow liquid with a pleasant odour or solid, depending on chain length.

Melting point:                  Not applicable

Boiling point:                   Not applicable

Density:                          Not applicable

Vapour pressure:             Not applicable

Concentration of

saturated vapours:           Not applicable

Conversion factor:           Not applicable

Solubility:                        Water:  ≥ 100 g/l at 20°C (n=4).

References:                                                          HSDB (2001), Lægemiddelkataloget (2002), ChemFinder (2002).

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