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Potassium sodium tartrate tetrahydrate

SIAL/32312 - puriss. p.a., ACS reagent, reag. ISO, reag. Ph. Eur., ≥99.5% (perchloric acid titration)

Synonym: L(+)-Tartaric acid potassium Sodium salt; Rochelle salt; Seignette salt

CAS Number: 6381-59-5
Empirical Formula (Hill Notation): C4H4KNaO6 · 4H2O
Molecular Weight: 282.22
EC Number: 206-156-8
MDL Number: MFCD00150989
Linear Formula: KOCOCH(OH)CH(OH)COONa · 4H2O
Product Type: Chemical
Catalog Number PKG Qty. Price Quantity
45-32312-250G 250 g
 $54.90
1/EA		 Add To Favorites
45-32312-500G 500 g
 $104.00
1/EA		 Add To Favorites
45-32312-1KG 1 kg
 $149.00
1/EA		 Add To Favorites

 

agency reag. ISO
  reag. Ph. Eur.
  USP/NF
anion traces chloride (Cl-): ≤5 mg/kg
  phosphate (PO43-): ≤10 mg/kg
  sulfate (SO42-): ≤50 mg/kg
assay ≥99.5% (perchloric acid titration)
cation traces Ca: ≤40 mg/kg
  Cu: ≤5 mg/kg
  Fe: ≤5 mg/kg
  Pb: ≤2 mg/kg
  Zn: ≤5 mg/kg
grade ACS reagent
  puriss. p.a.
impurities ≤0.001% total nitrogen (N)
InChI 1S/C4H6O6.K.Na.4H2O/c5-1(3(7)8)2(6)4(9)10;;;;;;/h1-2,5-6H,(H,7,8)(H,9,10);;;4*1H2/q;2*+1;;;;/p-2/t1-,2-;;;;;;/m1....../s1
InChI key VZOPRCCTKLAGPN-ZFJVMAEJSA-L
pH 7.0-8.5 (20 °C, 5%)
Quality Level 200 
SMILES string O.O.O.O.[Na+].[K+].O[C@H]([C@@H](O)C([O-])=O)C([O-])=O
Application: Potassium sodium tartrate tetrahydrate is a double salt of tartaric acid that can be used to prevent the precipitation in alkaline medium. It can also be used as a reagent in the determination of nitrilase activity.
RIDADR NONH for all modes of transport
WGK Germany WGK 3
Flash Point(F) Not applicable
Flash Point(C) Not applicable
Purity ≥99.5% (perchloric acid titration)
UNSPSC 12352100

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