1.06663
di-Sodium tartrate dihydrate
for analysis EMSURE®
Synonym(s):
di-Sodium tartrate dihydrate, di-Sodium tartrate dihydrate, Tartaric acid sodium salt dihydrate
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About This Item
Quality Segment
product line
EMSURE®
assay
≥99.5% (perchloric acid titration)
form
powder
pH
8 (25 °C, 50 g/L in H2O)
solubility
290 g/L
density
1.82 g/cm3
bulk density
460 kg/m3
anion traces
chloride (Cl-): ≤0.0005%, phosphate (PO43-): ≤0.0005%, sulfate (SO42-): ≤0.002%
cation traces
Ca: ≤0.005%, Fe: ≤0.0005%, N: ≤0.002%, heavy metals (as Pb): ≤0.0005%
storage temp.
2-30°C
SMILES string
[Na+].[Na+].[O-]C(=O)[C@H](O)[C@@H](O)C(=O)[O-].O.O
InChI
1S/C4H6O6.2Na.2H2O/c5-1(3(7)8)2(6)4(9)10;;;;/h1-2,5-6H,(H,7,8)(H,9,10);;;2*1H2/q;2*+1;;/p-2/t1-,2-;;;;/m1..../s1
InChI key
FGJLAJMGHXGFDE-DGFHWNFOSA-L
Analysis Note
pH-value (5 %; water): 7.0 - 8.0
Chloride (Cl): ≤ 0.0005 %
Phosphate (PO₄): ≤ 0.0005 %
Sulfate (SO₄): ≤ 0.002 %
Total nitrogen (N): ≤ 0.002 %
Heavy metals (as Pb): ≤ 0.0005 %
Ca (Calcium): ≤ 0.005 %
Fe (Iron): ≤ 0.0005 %
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Storage Class
11 - Combustible Solids
wgk
WGK 1
flash_point_f
Not applicable
flash_point_c
Not applicable
Certificates of Analysis (COA)
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