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Potassium sodium tartrate tetrahydrate (Merck) | 108087

Liên hệ
Code: 1092530500 - Chai 500ml

for analysis EMSURE® ACS,ISO,Reag. Ph Eur

Description
Catalogue Number 108087
Replaces PX1590; PX1590-1; PX1590-2; PX1590-5; PX1590-11;
Synonyms Sodium potassium tartrate, Tartaric acid potassium sodium salt

Product Information
CAS number 6381-59-5
EC number 206-156-8
Grade ACS,ISO,Reag. Ph Eur
Hill Formula C₄H₄KNaO₆ * 4 H₂O
Molar Mass 282.23 g/mol
HS Code 2918 13 00
Structure formula Image Structure formula Image

Physicochemical Information
Melting Point 70 - 80 °C
pH value 7.0 - 8.5 (50 g/l, H₂O, 25 °C)
Bulk density 1000 kg/m3
Solubility 630 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 +5°C to +30°C.

Specifications
Assay (alkalimetric) 99.0 - 102.0 %
Insoluble matter ≤ 0.005 %
pH-value (5 %; water; 25 °C) 7.0 - 8.5
Chloride (Cl) ≤ 0.0005 %
Phosphate (PO₄) ≤ 0.001 %
Sulfate (SO₄) ≤ 0.005 %
Heavy metals (as Pb) ≤ 0.0005 %
Ca (Calcium) ≤ 0.004 %
Cu (Copper) ≤ 0.0005 %
Fe (Iron) ≤ 0.0005 %
NH₄ (Ammonium) ≤ 0.002 %
Pb (Lead) ≤ 0.0005 %
Corresponds to ACS,ISO,Reag. Ph Eur