MUSCAT CHEMICAL is one of the largest suppliers, manufacturers and distributors of SILICA GEL in Rusayl, Salalah, Sohar, Sur, Nizwa, Buraimi, Sohar, Barka, Muscat, Oman, Duqm, Liwa, Fujairah, Dubai, Sharjah, Abu Dhabi, Doha, Kuwait and the Middle East. Silica Gel is made up of Sodium Sulphate. Silica Gel pouches are almost inert therefore are almost non-hazardous. BUT it can be a CHOKING HAZARD on ingestion, therefore "DO NOT EAT" captions are placed on the pouches. Silica gel, having molecular formula (SO2) is amorphous and porous.