60413
Potassium sodium tartrate tetrahydrate
BioUltra, ≥99.5% (NT)
Synonym(s):
L(+)-Tartaric acid potassium Sodium salt, Rochelle salt, Seignette salt
About This Item
product line
BioUltra
Quality Level
Assay
≥99.5% (NT)
form
solid
optical activity
[α]20/D +22±1°, c = 1% in H2O
impurities
insoluble matter, passes filter test
≤0.002% total nitrogen (N)
pH
7.0-8.5 (25 °C, 1 M in H2O)
solubility
H2O: 1 M at 20 °C, clear, colorless
anion traces
chloride (Cl-): ≤5 mg/kg
phosphate (PO43-): ≤10 mg/kg
sulfate (SO42-): ≤50 mg/kg
cation traces
Al: ≤5 mg/kg
As: ≤0.1 mg/kg
Ba: ≤5 mg/kg
Bi: ≤5 mg/kg
Ca: ≤10 mg/kg
Cd: ≤5 mg/kg
Co: ≤5 mg/kg
Cr: ≤5 mg/kg
Cu: ≤5 mg/kg
Fe: ≤5 mg/kg
Li: ≤5 mg/kg
Mg: ≤5 mg/kg
Mn: ≤5 mg/kg
Mo: ≤5 mg/kg
Ni: ≤5 mg/kg
Pb: ≤5 mg/kg
Sr: ≤5 mg/kg
Zn: ≤5 mg/kg
λ
1 M in H2O
UV absorption
λ: 260 nm Amax: 0.026
λ: 280 nm Amax: 0.022
SMILES string
O.O.O.O.[Na+].[K+].O[C@H]([C@@H](O)C([O-])=O)C([O-])=O
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
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Related Categories
WGK
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Certificates of Analysis (COA)
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