Sodium gluconate is a polyhydroxy carboxylic acid, also known as: pentahydroxyhexyl sodium Formula: c6h11nao7 , Molecular weight: 218.14, The appearance is a white powder or crystalline particles, which easily soluble in water, Slightly soluble in alcohol, insoluble in ether. As a retarder for cement concrete works to delay the initial and final setting time. It mainly used in southeast asia and other tropical summer concrete building construction The pacakge is 25kg polywoven bag or bulk plastic bag(1mt per bag) or you can indicate the package you need. We will try