D-(-)-Tartaric Acid
Natural Origin: Occurs naturally in plants such as loquats, providing a biologically sourced option for various applications.
Sugar Acid Derivative: Classified within the sugar acid family, characterized by the presence of reactive carboxylic acid functional groups.
Chiral Purity: Exists exclusively as the (S,S)-enantiomer, offering defined stereochemical properties for precision applications.
Versatile Organic Compound: Suitable for use in biochemical studies, food science research, and functional formulation development.
D-Tartaric acid, chemically designated as (S,S)-tartrate or D-threaric acid, is an organic compound classified under sugar acids and their derivatives. Structurally, it consists of a saccharide backbone incorporating a carboxylic acid functional group. The compound has been qualitatively detected in loquats (Eriobotrya japonica), though quantitative data remain unestablished.
D-(-)-Tartaric Acid Chemical Properties
Melting point | 172-174 °C(lit.) |
alpha | -12.1 º (c=20, H2O) |
Boiling point | 191.59°C (rough estimate) |
density | 1,8 g/cm3 |
refractive index | -12.5 ° (C=5, H2O) |
Fp | 210 °C |
storage temp. | Store below +30°C. |
solubility | water: soluble100mg/mL, clear, colorless |
form | Crystals or Crystalline Powder |
pka | 3.0, 4.4(at 25℃) |
color | White |
Odor | odorless |
Optical Rotation | [α]20/D 13.5±0.5°, c = 10% in H2O |
Water Solubility | 1394 g/L (20 ºC) |
Sensitive | Light Sensitive |
Merck | 14,9068 |
BRN | 1725145 |
Dielectric constant | 35.9（-10℃） |
Stability: | Stable. Incompatible with oxidizing agents, bases, reducing agents. Combustible. |
InChIKey | FEWJPZIEWOKRBE-LWMBPPNESA-N |
LogP | -1.081 (est) |
CAS DataBase Reference | 147-71-7(CAS DataBase Reference) |
NIST Chemistry Reference | D-Tartaric acid(147-71-7) |
EPA Substance Registry System | Butanedioic acid, 2,3-dihydroxy-, (2S,3S)- (147-71-7) |
Safety Information
Hazard Codes | Xi |
Risk Statements | 36/37/38 |
Safety Statements | 26-36/37-37/39-36 |
WGK Germany | 3 |
RTECS | WW7875000 |
Autoignition Temperature | 425 °C |
Hazard Note | Light Sensitive |
TSCA | Yes |
HS Code | 29181200 |
D-(-)-Tartaric acid (CAS No.: 147-71-7) is a naturally sourced, optically active organic acid with multifaceted applications. In food technology, it functions as an acidulant and flavor modifier for taste optimization, acts as a chelating agent to improve product stability and shelf life, and serves as a pH regulator during fermentation processes in brewing and baking applications.
