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33801

Sigma-Aldrich

L-(+)-Tartaric acid

puriss. p.a., reag. ISO, 99.5-101.0% (calc. to the dried substance)

Synonym(s):
L-Threaric acid, (2R,3R)-(+)-Tartaric acid
Linear Formula:
HO2CCH(OH)CH(OH)CO2H
CAS Number:
Molecular Weight:
150.09
Beilstein:
1725147
EC Number:
MDL number:
PubChem Substance ID:
NACRES:
NA.21

Quality Level

Agency

Ph. Eur.
USP/NF
reag. ISO

vapor density

5.18 (vs air)

grade

puriss. p.a.

assay

99.5-101.0% (calc. to the dried substance)

form

powder or crystals

optical activity

[α]20/D +12.0 to +12.8°, c = 20% in H2O

autoignition temp.

797 °F

impurities

≤0.0005% heavy metals (as Pb)

ign. residue

≤0.1% (as SO4)

loss

≤0.1% loss on drying, 105 °C

mp

170-172 °C (lit.)

anion traces

chloride (Cl-): ≤5 mg/kg
phosphate (PO43-): ≤10 mg/kg
sulfate (SO42-): ≤150 mg/kg

cation traces

Ca: ≤20 mg/kg
Cu: ≤5 mg/kg
Fe: ≤5 mg/kg
Pb: ≤2 mg/kg
Zn: ≤5 mg/kg

SMILES string

O[C@H]([C@@H](O)C(O)=O)C(O)=O

InChI

1S/C4H6O6/c5-1(3(7)8)2(6)4(9)10/h1-2,5-6H,(H,7,8)(H,9,10)/t1-,2-/m1/s1

InChI key

FEWJPZIEWOKRBE-JCYAYHJZSA-N

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General description

L-(+)-Tartaric acid is an organic acid naturally found in grapes and wines. It is widely used as flavoring agent and antioxidizing agent for various beverages (grape juices and wines). It can be synthesized starting from L-ascorbic acid (AA, vitamin C). Its forms various hydrogen-L-tartrate salts, which have important applications in crystal engineering studies. Its quantification in grape juice has been carried out by recording HPLC chromatograms.

Application

L-(+)-Tartaric acid may be employed as starting reagent in the synthesis of enantiomeric forms of pyrrolidinoisoquinoline derivatives.

Pictograms

Corrosion

Signal Word

Danger

Hazard Statements

Precautionary Statements

Hazard Classifications

Eye Dam. 1

Storage Class Code

13 - Non Combustible Solids

WGK

WGK 1

Flash Point(F)

302.0 °F - closed cup

Flash Point(C)

150 °C - closed cup

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificate of Analysis

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Certificate of Origin

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