Sodium citrate dihydrate

grade

ACS reagent

Quality Level

300

Agency

reag. ISO
reag. Ph. Eur.

product line

EMSURE^®

Assay

99.0-101.0% (perchloric acid titration)
99.0-101.0% anhydrous basis (perchloric acid titration)

form

solid

potency

>8000 mg/kg LD₅₀ oral (Rat)

composition

Water 11-13%

impurities

≤0.005% Insoluble matter

pH

7.5-9.0 (25 °C 50 g/L in H₂O)

mp

150 °C (anhydrous substance)
>300 °C (lit.)

bulk density

600 kg/m³

anion traces

chloride (Cl^–): ≤0.001%
oxalate (C₂O₄^2-): ≤0.0300%
phosphate (PO₄^3-): ≤0.002%
sulfate (SO₄^2-): ≤0.004%

cation traces

Ca: ≤0.005%
Fe: ≤0.0005%
N: ≤0.001%
NH₄⁺: ≤0.003%
heavy metals: ≤0.0005%
heavy metals (as Pb): ≤0.0005%

storage temp.

2-30°C

SMILES string

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

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

InChI key

NLJMYIDDQXHKNR-UHFFFAOYSA-K