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L-tartaric acid

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Identification
Molecular formula
C4H6O6
CAS number
87-69-4
IUPAC name
(2R,3R)-2,3-dihydroxybutanedioic acid;2-methyl-9-phenyl-1,3,4,9-tetrahydroindeno[2,1-c]pyridine
State
State

At room temperature, L-tartaric acid is in a solid state, typically appearing as a crystalline powder. It is stable under normal conditions of use and storage, provided it is kept dry.

Melting point (Celsius)
170.00
Melting point (Kelvin)
443.15
Boiling point (Celsius)
-1.00
Boiling point (Kelvin)
-1.00
General information
Molecular weight
150.09g/mol
Molar mass
150.0870g/mol
Density
1.7597g/cm3
Appearence

L-tartaric acid appears as a white crystalline solid. It is often found as powdery deposits or grains. The compound is highly soluble in water, giving a clear, colorless solution. It is odorless and has a distinctly tart taste that is characteristic of tartaric acid.

Comment on solubility

Solubility of (2R,3R)-2,3-dihydroxybutanedioic acid; 2-methyl-9-phenyl-1,3,4,9-tetrahydroindeno[2,1-c]pyridine

The solubility of the compound (2R,3R)-2,3-dihydroxybutanedioic acid (often known as tartaric acid) exhibits interesting behavior in various solvents. Its dihydroxy structure tends to enhance its solubility in polar solvents such as water. The two hydroxyl groups (-OH) enable strong hydrogen bonding with water molecules, leading to significant solubility at room temperature.

Key aspects of solubility include:

  • High Solubility in Water: Tartaric acid generally dissolves well in water, with solubility significantly increasing at elevated temperatures.
  • Polar Organic Solvents: It is also soluble in alcohols and other polar organic solvents, although the extent may vary based on specific solvent interactions.
  • Insoluble in Non-Polar Solvents: It has minimal solubility in non-polar solvents like hexane due to insufficient interaction with the solvent molecules.

On the other hand, the compound 2-methyl-9-phenyl-1,3,4,9-tetrahydroindeno[2,1-c]pyridine displays more complex solubility characteristics. Being a cyclic amine with an extended aromatic structure, its solubility could be influenced by factors such as:

  • Structural Composition: Aromatic systems often show limited solubility in water but can be more soluble in organic solvents.
  • Intermolecular Interactions: The presence of phenyl groups may enhance solubility in organic solvents by engaging in π-π stacking interactions.
  • Potential for Poor Aqueous Solubility: The bulky structure may lead to relatively poor solubility in water compared to smaller polar compounds.

In conclusion, the solubility landscape of these compounds starkly contrasts—(2R,3R)-2,3-dihydroxybutanedioic acid shows favorable solubility in polar environments, whereas 2-methyl-9-phenyl-1,3,4,9-tetrahydroindeno[2,1-c]pyridine may prefer a more organic solvent environment due to its structural features and functional groups.

Interesting facts

Exploring the World of (2R,3R)-2,3-Dihydroxybutanedioic Acid

(2R,3R)-2,3-dihydroxybutanedioic acid, also known as L-tartaric acid, is a fascinating organic compound with significant roles in both nature and industry. Here are some intriguing facts about this compound:

  • Natural Occurrence: L-tartaric acid is naturally found in various plants, particularly in grapes. It plays a key role in the winemaking process, contributing to the tartness of wine.
  • Stereochemistry: The compound features two chiral centers, leading to the existence of multiple stereoisomers. The (2R,3R) configuration is important for its biological activity.
  • Food Industry Applications: L-tartaric acid is widely used as a food additive. It acts as a stabilizing agent in baking powder and can help maintain the whiteness of cream of tartar, which is derived from the acid.
  • Pharmaceutical Uses: In the pharmaceutical industry, L-tartaric acid is often used as an excipient, improving the solubility and stability of certain medications.

Diving into 2-Methyl-9-phenyl-1,3,4,9-tetrahydroindeno[2,1-c]pyridine

2-Methyl-9-phenyl-1,3,4,9-tetrahydroindeno[2,1-c]pyridine is an intriguing compound that belongs to a class of chemicals known as indeno-pyridines. This compound has garnered attention for various reasons:

  • Potential Pharmacological Activity: The indeno-pyridine structure has been linked to various biological activities, including potential neuroprotective effects, making it an exciting target for drug discovery.
  • Versatile Synthetic Routes: The synthesis of 2-methyl-9-phenyl-1,3,4,9-tetrahydroindeno[2,1-c]pyridine showcases the creativity of organic chemists, demonstrating multiple methods of constructing complex molecular frameworks.
  • Research Prospects: Ongoing research is focused on understanding the compound's mechanism of action and exploring its applications in treating neurological disorders.

Both of these compounds, while distinct, showcase the incredible diversity and utility found in the world of chemistry. As we continue to explore their properties and applications, the potential for new discoveries remains vast.

Synonyms
Pernovine
Phenindamine bitartrate
Phenindamine tartrate
Phenindamine tartrate [USAN]
Pernovin
Nolahist (TN)
Phenindamine hydrogen tartrate
EINECS 209-320-7
NSC 91526
28725X3PV8
Phenindamine tartrate (USAN)
UNII-28725X3PV8
Thephorin tartrate
569-59-5
PHENINDAMINE TARTRATE [VANDF]
PHENINDAMINE TARTRATE [MART.]
1H-INDENO(2,1-c)PYRIDINE, 2,3,4,9-TETRAHYDRO-2-METHYL-9-PHENYL-, TARTRATE (1:1)
PHENINDAMINE TARTRATE [WHO-DD]
PHENINDAMINE HYDROGEN TARTRATE [MI]
2-Methyl-9-phenyl-2,3,4,9-tetrahydro-1H-indeno(2,1-c)pyridine tartrate
1H-Indeno(2,1-c)pyridine, 2,3,4,9-tetrahydro-2-methyl-9-phenyl-, tartrate (1:1) (VAN)
1H-Indeno(2,1-c)pyridine, 2,3,4,9-tetrahydro-2-methyl-9-phenyl-, (R-(R*,R*)-2,3-dihydroxybutanedioate (1:1)
NSC-91526
PHENINDAMINE TARTRATE (MART.)
2,3,4,9-TETRAHYDRO-2-METHYL-9-PHENYL-1H-INDENO(2,1-C)PYRIDINE TARTRATE
2,3,4,9-TETRAHYDRO-2-METHYL-9-PHENYL-1H-INDENO-(2,1-C)PYRIDINE BITARTRATE
1H-INDENO(2,1-C)PYRIDINE, 2,3,4,9-TETRAHYDRO-2-METHYL-9-PHENYL-, (2R,3R)-2,3-DIHYDROXYBUTANEDIOATE (1:1)
1H-INDENO(2,1-C)PYRIDINE, 2,3,4,9-TETRAHYDRO-2-METHYL-9-PHENYL-, (R-(R*,R*))-2,3-DIHYDROXYBUTANEDIOATE (1:1)
1H-Indeno(2,1-c)pyridine, 2,3,4,9-tetrahydro-2-methyl-9-phenyl-, tartrate (1:1) (VAN) (8CI)
209-320-7
nolahist
SCHEMBL141590
AKOS040753493
2,3,4,9-Tetrahydro-2-methyl-9-phenyl-1H-indeno(2,1-c)pyridine L-(+)-tartrate (1:1)
HY-129783
NS00080033
D02148
Q27254278
2-methyl-9-phenyl-2,3,4,9-tetrahydro-1H-indeno[2,1-c]pyridine, tartrate salt
(2R,3R)-2,3-dihydroxybutanedioic acid;2-methyl-9-phenyl-1,3,4,9-tetrahydroindeno[2,1-c]pyridine
2-methyl-9-phenyl-2,3,4,9-tetrahydro-1H-indeno[2,1-c]pyridin-2-ium;2,3,4-trihydroxy-4-oxobutanoate