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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:
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 Code

11 - Combustible Solids

WGK

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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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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