柠檬酸三钠二水合物，Sodium citrate tribasic dihydrate；BioXtra, ≥99.0% (titration)

质量水平

200

产品线

BioXtra

测定

≥99.0% (titration)

形式

powder or crystals

杂质

Insoluble matter, passes filter test

pH值（酸碱度）

7.5-9.0 (20 °C, 0.1 M in H₂O)

mp

>300 °C (lit.)

溶解性

H₂O: 0.1 M at 20 °C, clear, colorless

痕量阴离子

chloride (Cl^-): ≤0.001%
sulfate (SO₄^2-): ≤0.005%

痕量阳离子

Al: ≤0.0005%
As: ≤0.00001%
Ba: ≤0.0005%
Bi: ≤0.0005%
Ca: ≤0.005%
Cd: ≤0.0005%
Co: ≤0.0005%
Cr: ≤0.0005%
Cu: ≤0.0005%
Fe: ≤0.0005%
K: ≤0.01%
Li: ≤0.0005%
Mg: ≤0.0005%
Mn: ≤0.0005%
Mo: ≤0.0005%
NH₄⁺: ≤0.001%
Ni: ≤0.0005%
Pb: ≤0.0005%
Zn: ≤0.0005%

吸光度

≤0.010 at 260 in H₂O at 0.1 M
≤0.010 at 280

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