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Description
Catalogue Number	106663
Synonyms	di-Sodium tartrate dihydrate, Tartaric acid sodium salt dihydrate

Physicochemical Information
Density	1.820 g/cm3 (20 °C)
pH value	7.0 – 9 (50 g/l, H₂O, 20 °C)
Bulk density	460 kg/m3
Solubility	290 g/l

Safety Information according to GHS
Storage class	10 – 13 Other liquids and solids
WGK	WGK 1 slightly hazardous to water
Disposal	3 Relatively unreactive organic reagents should be collected in container A. If halogenated, they should be collected in container B. For solid residues use container C.

Storage and Shipping Information
Storage	Store at +2°C to +30°C.

Specifications
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 %

Merck 106663 0250 Sodium Tartarate Dihydrate Gr For Analysis Emsure 250 GR.