Sodium Citrate, E331, CAS no.68-04-2, the sodium salt of Citric Acid, also called trisodium citrate, colorless crystals or white crystalline powder soluble in water. Sodium Citrate used as a food additive, usually for flavor or as a preservative. Along with other salts of citric acid, such as Magnesium Citrate, Calcium Citrate and Potassium Citrate. As an experienced Sodium Citrate manufacturer and supplier, we has been supplying and exporting Sodium Citrate for almost 10 years, please be assured to buy from us. Any inquiries about price and the market trend please feel free to contact us, we will reply you within 1 working day. Sodium Citrate Specification ITEM STANDARD CHARACTERISTIC WHITE CRYSTAL POWDER IDENTIFICATION PASS TEST APPEARANCE OF SOLUTION PASS TEST ALKALINITY PASS TEST LOSS ON DRYING 11.00-13.00% HEAVY METALS NOT MORE THAN 5PPM OXALATES NOT MORE THAN 100PPM CHLORIDES NOT MORE THAN 50PPM SULPHATES NOT MORE THAN 150PPM PH VALUE (5% AQUEOUS SOLUTION) 7.5-9.0 PURITY 99.00-100.50% READILY CARBONISABLE SUBSTANCES PASS TEST PYROGENS PASS TEST ARSENIC NOT MORE THAN 1PPM LEAD NOT MORE THAN 1PPM MERCURY NOT MORE THAN 1PPM