Colorless or white crystalline granule or crystalline powder odorless;taste salty and cold, soluble in water

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.

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

TRISODIUM CITRATE