251380

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251380

Sigma-Aldrich

 

L-(+)-Tartaric acid

ACS reagent, ≥99.5%

Synonym:(2R,3R)-(+)-Tartaric acid, L-Threaric acid
CAS Number:87-69-4
Linear Formula:HO2CCH(OH)CH(OH)CO2H
Molecular Weight:150.09
Beilstein Registry Number:1725147
EC Number:201-766-0
MDL number:MFCD00064207
PubChem Substance ID:24855129

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Description

Packaging100, 500 g in poly btl
 2.5 kg in poly btl
 5 g in glass btl
ApplicationChiral building block for natural products.1 Also forms a Diels-Alder catalyst with TiCl2(O-i-Pr)2.2

Properties

gradeACS reagent
vapor density5.18 (vs air)
assay≥99.5%
optical activity[α]20/D +12.4°, c = 20 in H2O
optical purityee: 99% (GLC)
autoignition temp.797 °F
total impurities≤0.002% S compounds
 ≤0.005% insolubles
ign. residue ≤0.02%
mp170-172 °C(lit.)
anion traceschloride (Cl-): ≤0.001%
 oxalate (C2O42-): Passes test
 phosphate (PO4-): ≤0.001%
cation tracesFe: ≤5 ppm
 heavy metals (as Pb): ≤5 ppm

Safety

Personal Protective Equipmentdust mask type N95 (US), Eyeshields, Gloves
Hazard CodesXi
Risk Statements36/37/38
Safety Statements26
WGK Germany3
RTECSWW7875000
Flash Point(F)302 °F
Flash Point(C)150 °C

References

Cited Reference1. Chem. Lett. (Jpn), 1967, (1986)
 2. Chem. Lett. (Jpn), 2409, (1987)
MerckMerck 13,9158
BeilsteinBeil. 3,IV,1219
FieserFieser 16,312
referenceAldrich MSDS 1, 1634:B / Arctander, 2872 / Corp MSDS 1 (2), 3213:B / FT-IR 1 (1), 523:D / FT-IR 1 (1), 523:C / FT-IR 2 (1), 812:B / FT-NMR 1 (1), 813:B / Fenaroli, 733 / IR-Spectra (3), 306:F / IR-Spectra (2), 276:D / NMR-Reference 2 (1), 457:D / RegBook 1 (1), 569:E / RegBook 72 (1), 569:E / Sax 6, 2498 / Sigma FT-IR 1 (2), 899:A / Structure Index 1, 81:C:5