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81028

Sigma-Aldrich

Potassium sodium tartrate solution

BioUltra, 1.5 M in H2O

Synonym(s):

L-(+)-Tartaric acid potassium Sodium salt solution

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About This Item

Empirical Formula (Hill Notation):
C4H4KNaO6
CAS Number:
Molecular Weight:
210.16
MDL number:
UNSPSC Code:
12352204
PubChem Substance ID:
NACRES:
NA.26

product line

BioUltra

Quality Level

form

liquid

optical activity

[α]20/D +22±1°, c = 1% in H2O

concentration

1.5 M in H2O

impurities

insoluble matter, passes filter test
≤0.002% total nitrogen (N)

pH

7.0-8.5 (25 °C, 1.5 M in H2O)

anion traces

chloride (Cl-): ≤5 mg/kg
sulfate (SO42-): ≤50 mg/kg

cation traces

Al: ≤1 mg/kg
As: ≤0.1 mg/kg
Ba: ≤1 mg/kg
Bi: ≤1 mg/kg
Ca: ≤5 mg/kg
Cd: ≤1 mg/kg
Co: ≤1 mg/kg
Cr: ≤1 mg/kg
Cu: ≤1 mg/kg
Fe: ≤1 mg/kg
Li: ≤1 mg/kg
Mg: ≤1 mg/kg
Mn: ≤1 mg/kg
Mo: ≤1 mg/kg
Ni: ≤1 mg/kg
Pb: ≤1 mg/kg
Sr: ≤1 mg/kg
Zn: ≤1 mg/kg

λ

1.5 M in H2O

UV absorption

λ: 260 nm Amax: 0.03
λ: 280 nm Amax: 0.025

SMILES string

[Na+].[K+].O[C@H]([C@@H](O)C([O-])=O)C([O-])=O

InChI

1S/C4H6O6.K.Na/c5-1(3(7)8)2(6)4(9)10;;/h1-2,5-6H,(H,7,8)(H,9,10);;/q;2*+1/p-2/t1-,2-;;/m1../s1

InChI key

LJCNRYVRMXRIQR-OLXYHTOASA-L

Storage Class

10 - Combustible liquids

wgk_germany

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves


Certificates of Analysis (COA)

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