1.06663

di-Sodium tartrate dihydrate

for analysis EMSURE^®

• Synonym(s): di-Sodium tartrate dihydrate, di-Sodium tartrate dihydrate, Tartaric acid sodium salt dihydrate
• Empirical Formula (Hill Notation): C₄H₄Na₂O₆ · 2H₂O
• CAS Number: 6106-24-7
• Molecular Weight: 230.08
• MDL number: MFCD00150035
• UNSPSC Code: 12352107
• EC Index Number: 212-773-3
• NACRES: NA.21

Properties

• Quality Level: 300
• 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 (PO₄^3-): ≤0.0005%; sulfate (SO₄^2-): ≤0.002%
• cation traces: Ca: ≤0.005%; Fe: ≤0.0005%; N: ≤0.002%; heavy metals (as Pb): ≤0.0005%
• storage temp.: 2-30°C
• 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

Description

Analysis Note

Assay (perchloric acid titration): ≥ 99.5 %
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 %

Legal Information

EMSURE is a registered trademark of Merck KGaA, Darmstadt, Germany

Safety Information

• Storage Class: 11 - Combustible Solids
• wgk_germany: WGK 1
• flash_point_f: Not applicable
• flash_point_c: Not applicable