Sodium citrate tribasic dihydrate

Product Name

Sodium citrate tribasic dihydrate, purum p.a., ≥99.0% (NT)

InChI key

NLJMYIDDQXHKNR-UHFFFAOYSA-K

InChI

1S/C6H8O7.3Na.2H2O/c7-3(8)1-6(13,5(11)12)2-4(9)10;;;;;/h13H,1-2H2,(H,7,8)(H,9,10)(H,11,12);;;;2*1H2/q;3*+1;;/p-3

SMILES string

O.O.[Na+].[Na+].[Na+].OC(CC([O-])=O)(CC([O-])=O)C([O-])=O

grade

purum p.a.

assay

≥99.0% (NT)

form

crystals

pH

7.0-9.0 (25 °C, 50 mg/mL in H₂O)

mp

>300 °C (lit.)

solubility

water: very soluble 24.9 g/L at 20 °C

anion traces

chloride (Cl^-): ≤50 mg/kg
sulfate (SO₄^2-): ≤50 mg/kg

cation traces

Ca: ≤50 mg/kg
Cd: ≤50 mg/kg
Co: ≤50 mg/kg
Cu: ≤50 mg/kg
Fe: ≤50 mg/kg
K: ≤100 mg/kg
Ni: ≤50 mg/kg
Pb: ≤50 mg/kg
Zn: ≤50 mg/kg

Quality Level

100