Chemical name: sodium bicarbonate food grade Chemical formula: nahco3 Grade purity: 99% (minimum) Cas no:144-55-8 Appearance: :white crystal powder, non-toxic, salty in taste Product use:use in food fermentation and so on. Advantages: high activity Coarse particle: thickest can reach to 20mesh Excellent whiteness: the highest grade can achieve 95% Complete specification Easy flowable , difficult to harden Good liquidity Packing: 25kg composite membrane textile bag(kraft bag), the inside lining with a layer of plastic bag. The packing bag for one tons need specifical package. This product meet national standard gb1887-2007 Main technical parameters: Total alkalinity content(nahco3) % 99.0-100.5% Loss in dry % 0.2 max Ph value(10g/1) solution 8.6 max Arsentic content % 0.001 max Heavy metal content 0.005 max Whiteness 85 min Chloride 0.4 max Ammonium salt pass Clarity pass Pls feel free to contact me with rachelchinahy at g mail dot com 25kg textile bag with a inside plastic lining