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

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

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Product Information
CAS number	6106-24-7
EC number	212-773-3
Hill Formula	C₄H₄Na₂O₆ * 2H₂O
Molar Mass	230.08 g/mol
HS Code	2918 13 10
Structure formula Image
Quality Level	MQ300

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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

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

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

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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 %

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