1,Formula: C6H5Na3O7·2H2O
2,Formula wt: dihydrate 294.10
3,CAS: dihydrate [6132-04-3]
4,Specificity: Colorless or white crystalline granule or crystalline powder odorless; taste salty and cold, soluble in water, difficulty in ethanol; slightly deliquescence in moist air,pH7.5-9 in 5% aqueous solution, when heated to 150°C,it may lose crystal water.
5,Packing: 25kg net paper bag or 1mt big bag with PE liner.
Sodium Citrate has the chemical formula of Na3C6H5O7. It is sometimes referred to simply as sodium citrate, though sodium citrate can refer to any of the three sodium salts of citric acid. It possesses a saline, mildly tart flavor. For this reason, citrates of certain alkaline and alkaline earth metals (e.g. sodium and Calcium Citrates) are commonly known as "sour salt" (occasionally citric acid is erroneously termed sour salt).
Name of index |
BP98 |
E-331(iii) |
Description |
Crystalline white powder or colourless crystals |
Content |
99.0-101.0% |
≥99.0%( anhydrous basis) |
Acidity and Alkalinity |
Accord with the test |
-- |
Sulphate,≤% |
0.015 |
-- |
Heavy metals(As Pb), ≤% |
0.001 |
0.0005 |
Oxalate(As H2C2O4), ≤% |
0.03 |
0.01 |
Easy carbonify substance |
Accord with the test |
-- |
Chloride, ≤% |
0.005 |
-- |
Loss on drying, |
11.0-13.0% |
≤13.5% |
pH value(5% aqueous solution) |
-- |
7.5-9 |
Arsenic(As),≤ppm |
-- |
1 |
Lead(Pb),≤ppm |
-- |
1 |
Mercury(Hg),≤ppm |
-- |
1 |
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