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71994

Sigma-Aldrich

Sodium tartrate dibasic dihydrate

BioUltra, ≥99.0% (NT)

Synonym(s):

L-(+)-Tartaric acid disodium salt, Disodium tartrate dihydrate, Sodium tartrate dihydrate

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About This Item

Empirical Formula (Hill Notation):
C4H4Na2O6 · 2H2O
CAS Number:
Molecular Weight:
230.08
Beilstein/REAXYS Number:
6121732
EC Number:
MDL number:
UNSPSC Code:
12352200
PubChem Substance ID:

product line

BioUltra

assay

≥99.0% (NT)

optical activity

[α]20/D +26±1°, c = 10% in H2O

impurities

≤0.005% insoluble matter, passes filter test

pH

7.0-9.0 (25 °C, 0.1 M in H2O)

solubility

H2O: 0.1 M at 20 °C, clear, colorless

anion traces

chloride (Cl-): ≤5 mg/kg
phosphate (PO43-): ≤5 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
K: ≤50 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

0.1 M in H2O

UV absorption

λ: 260 nm Amax: 0.025
λ: 280 nm Amax: 0.020

SMILES string

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

InChI

1S/C4H6O6.2Na.2H2O/c5-1(3(7)8)2(6)4(9)10;;;;/h1-2,5-6H,(H,7,8)(H,9,10);;;2*1H2/q;2*+1;;/p-2/t1-,2-;;;;/m1..../s1

InChI key

FGJLAJMGHXGFDE-DGFHWNFOSA-L

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Other Notes

Increases the rate of colchicine binding to tubulin; Acid phosphatase inhibitor

Storage Class

11 - Combustible Solids

wgk_germany

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)


Certificates of Analysis (COA)

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Colchicine-binding properties of the hepatic tubulin/microtubule system.
R B Jennett et al.
Archives of biochemistry and biophysics, 204(1), 181-190 (1980-10-01)
Gross characterization of acid phosphatase in the preen gland of pigeon Columba livia Gmelin.
M Chowdhury et al.
Indian journal of experimental biology, 16(6), 691-693 (1978-06-01)

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