product details
Product Information
Trisodium citrate, dihydrate(C6H5Na3O7·2H2O)
Alias: sodiumcitrate, sodium citrate
Relative molecular Weight: 294.10
Properties:White crystals or powder.In theair easily weathered,Melted at 150 ° C and lost crystalwater,Higher temperatures will decompose.Dissolved in water and glycerine,slightly soluble in ethanol.Aqueous solution was weakly alkaline.
Productstandard NO:HG/T 3-1298-80
Specifications: Content and content of impurities in %
Test Items | AR | CP |
Content | 99.0 | 98.0 |
Clarity test | Qualified | Qualified |
Water insoluble matter | 0.005 | 0.01 |
Chlorinecompounds (以Cl计) | 0.002 | 0.005 |
Sulfate(SO4) | 0.002 | 0.005 |
Phosphorus compound(PO4) | 0.015 | 0.03 |
Calcium(Ca) | 0.01 | 0.02 |
Iron(Fe) | 0.0004 | 0.001 |
Heavy metals(以Pb计) | 0.0005 | 0.001 |
Usage:Used as analytical reagent,Such as asthe masking agent,preparation of buffer solution.Used as a chromatographicreagent.Also used in medicine, video and other industries.
High-purity sodium citrate reagent