EC Number: 225-573-6 dodecaethoxypentasiloxane Chemical Report & Database ... Number: 225-573-6 dodecaethoxypentasiloxane Chemical Report & Database This dodecaethoxypentasiloxane Chemical World ... Report & Database definitions: Name: dodecaethoxypentasiloxane: dodecaethoxypentasiloxane Chemical Registry number: 769198085900 EC Number ...