Potassium sodium tartrate tetrahydrate, BioUltra, >=99.5% (NT)

Name: Potassium sodium tartrate tetrahydrate, BioUltra, >=99.5% (NT)
Brand: SIGMA-ALDRICH
SKU: 60413-250G-F
Price: 83.73 USD

Code: 60413-250G-F D2-231

Not available outside of the UK & Ireland.

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$83.73 250G

λ	1 M in H₂O
anion traces	sulfate (SO₄^2-): ≤50 mg/kg, phosphate (PO₄^3-): ≤10 mg/kg, chloride (Cl^-): ≤5 mg/kg
assay	≥99.5% (NT)
cation traces	Bi: ≤5 mg/kg, Mo: ≤5 mg/kg, Al: ≤5 mg/kg, As: ≤0.1 mg/kg, Li: ≤5 mg/kg, Cr: ≤5 mg/kg, Mn: ≤5 mg/kg, Sr: ≤5 mg/kg, Mg: ≤5 mg/kg, Ca: ≤10 mg/kg, Pb: ≤5 mg/kg, Cu: ≤5 mg/kg, Ba: ≤5 mg/kg, Fe: ≤5 mg/kg, Zn: ≤5 mg/kg, Ni: ≤5 mg/kg, Cd: ≤5 mg/kg, Co: ≤5 mg/kg
form	solid
impurities	≤0.002% total nitrogen (N), insoluble matter, passes filter test
InChI key	VZOPRCCTKLAGPN-ZFJVMAEJSA-L
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);;;41H2/q;2+1;;;;/p-2/t1-,2-;;;;;;/m1....../s1
optical activity	[α]20/D +22±1°, c = 1% in H₂O
pH	7.0-8.5 (25 °C, 1 M in H₂O)
product line	BioUltra
Quality Level	200
SMILES string	O.O.O.O.[Na+].[K+].O[C@H]([C@@H](O)C([O-])=O)C([O-])=O
solubility	H₂O: 1 M at 20 °C, clear, colorless
UV absorption	λ: 260 nm A_max: 0.026, λ: 280 nm A_max: 0.022

Cas Number

6381-59-5

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