152284-21-4 157383-37-4 160371-18-6 17375-03-0 71536-23-7 72516-01-9 72516-02-0 72516-03-1 7440-21-3 90337-93-2 CCRIS 6599 Defoamer S-10 EINECS 231-130-8 HSDB 5033 Polyeristalline silicon powder SILICON Silicon dust Silicon metal Silicon powder, amorphous [UN1346] [Flammable solid] Silicon, containing more than 99.99 per cent by weight of silicon Silicone UN1346