E551 Silicon dioxide — is it halal?
Description
Silicon dioxide E551 is synthetic amorphous silica. Pyrogenic process — hydrolysis of chlorosilanes (SiCl4, methylchlorosilanes) in an oxyhydrogen flame; wet process — precipitation of water glass (sand + soda ash or NaOH) with acid, CO2 or ammonium salts. EFSA names no animal raw material. Possible links: carbon for silicon smelting and chlorination (bone char not excluded)
Names: Диоксид кремния · Silicon dioxide · ثاني أكسيد السيليكون
Also known as: Silica, E 551, E-551, Е551, INS 551, INS No. 551, silicium dioxide, synthetic amorphous silica, SAS, silicon dioxide, amorphous, amorphous silica, fumed silica, pyrogenic silica, precipitated silica, silica gel
Category: Anti-caking agents
Regulatory source: EU 1333/2008
Preview. The full card opens with JavaScript enabled.