Product Details
D-Tartaric acid, alternatively named (S,S)-tartrate or D-threaric acid, is an organic substance belonging to the sugar acid derivative family. It possesses a saccharide-based structure functionalized with carboxylic acid groups. Trace amounts of D-tartaric acid have been detected in loquats (Eriobotrya japonica), with no quantitative content determination conducted to date.
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
| 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 featuring a wide range of application scenarios. Within the food sector, it acts as an acidulant and flavour improver for flavour modulation. It can also work as a chelating agent to extend product shelf life, alongside serving as a pH regulator in fermentation procedures for brewing and baking applications.
