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DL-Tartaric acid, 99% is also known as dihydroxy succinic acid.
DL-Tartaric acid, 99% is used as a chemical intermediate and a sequestrant,as well as in tanning, effervescent beverages, baking powder, ceramics, photography, textile processing,mirror silvering,and metal coloring.
DL-Tartaric acid, 99% occurs in many fruits or other parts of the plant, free or combined with potassium, calcium or magnesium.
CAS Number: 133-37-9
Molecular Formula: C4H6O6
Molecular Weight: 150.09
EINECS Number: 205-105-7
Synonyms: 2,3-Dihydroxybutanedioic acid, 526-83-0, CHEBI:15674, DTXCID3026986, DTXSID501031477, RefChem:935304, GlyTouCan:G35198MQ, G35198MQ, 610-885-0, DL-Tartaric acid, 99%, 133-37-9, Racemic acid, Uvic acid, Traubensaure, Racemic tartaric acid, DL-Tartrate, Paratartaric acid, BUTANEDIOIC ACID, 2,3-DIHYDROXY-, Resolvable tartaric acid, Tartaric acid D,L, MFCD00064206, Tartaric acid, L-(+)-, Baros, dl-2,3-dihydroxybutanedioic acid, (2RS,3RS)-Tartaric acid, C4H6O6, NSC 148314, 2,3-dihydroxy-succinic acid, Butanedioic acid, 2,3-dihydroxy-(R*,R*)-(.+/-.)-, Butanedioic acid, 2,3-dihydroxy-, (R*,R*)-, E-7050 (2S,3S)-2,3-dihydroxysuccinic acid, MFCD00071626, Tartaric acid (VAN), Kyselina vinna [Czech], NSC155080, Tartaric acid [USAN:JAN], 1007601-97-9, 2,3-Dihydrosuccinic acid, (.+/-.)-Tartaric acid, DTXSID5046986, d-alpha,beta-Dihydroxysuccinic acid, Butanedioic acid, 2,3-dihydroxy-; 2,3-Dihydroxybutanedioic acid, NSC-148314, Kyselina 2,3-dihydroxybutandiova [Czech], (+) tartaric acid, (-) tartaric acid, AI3-06298, 1,2-dicarboxylic acid, WLN: QVYQYQVQ, (-) D-Tartaric acid, Sal tartar (Salt/Mix), Tartaric acid, (DL)-, Butanedioic acid, 2,3-dihydroxy- (R-(R*,R*))-, Butanedioic acid, 2,3-dihydroxy-, [S-(R*,R*)]-, Malic acid, 3-hydroxy-, 2,3-Dihydroxysuccinicacid, Succinic acid,3-dihydroxy, SCHEMBL848, bmse000167, Succinic acid,3-dihydroxy-, (.+/-.)-Tartaric acid, Oprea1_827092, TARTARIC ACID, (L), Tartaric acid, (.+/-.)-, Butanedioic acid,3-dihydroxy-, CHEMBL333714, Dihydroxysuccinic acid, (DL)-, orb1301476, SCHEMBL4189334, Tartaric acid, (.+/-.)-, SCHEMBL29382062, MSK4410, HMS3370M15, HMS5085G12, HMS5086A12, HMS5086A14, (+)-2,3-dihydroxybutanedioic acid, BCP14303, HY-N2436, Tox21_302052, BBL011588, NSC133735, NSC148314, NSC608773, s2997, STK387106, 2,3-Dihydroxysuccinic acid, (DL)-, 3-carboxy-2,3-dihydroxypropanoic acid, AKOS000120086, AKOS016844048, FT34258, NSC-133735, NSC-608773, SB44180, SB44181, SMP2_000051, D(-)-Tartaric acid; DL-Tartaric acid, 99%;, d-.alpha.,.beta.-Dihydroxysuccinic acid, NCGC00256063-01, NCGC00347131-03, AS-10983, CAS-133-37-9, DA-62945, NCI60_001102, (+)-2,3-dihydroxy-1,4-butanedioic acid, DB-016129, DB-016159, DB-042899, CS-0022654, NS00078822, NS00079339, T0001, (+/-)-2,3-dihydroxy-1,4-butanedioic acid, 2,3-dihydroxy-[R-(R*,R*)]-Butanedioicacid, EN300-19175, Butanedioic acid,3-dihydroxy- [R-(R*,R*)]-, DL-Tartaric acid, 99%(Discontinued,See C4X-25492), 133D379, F601264, Q194322, Butanedioic acid,3-dihydroxy-, (R*,R*)-(.+-.)-, F2191-0230, Z104473036, (2S,3S)-(-)-Tartaric acid; D(-)-Threaric acid; D(-)-Dihydroxysuccinic acid, Copper, mixt. with [R-(R*,R*)]-2,3-dihydroxybutanedioic acid monopotassium salt, (2S,3S)-2,3-dihydroxybutane-1.4-dioicacid;2,3-dihydroxy-,(R*,R*)-(±)-Butanedioicacid;DL-Tartaric acid, 99% 133-37-9 pure 99% food additives Paratartaric acid kf-wang(at)kf-chem.com;2,3-dihydroxybutanedioic acid hydrate;DL-Tartaric acid, 99%/2,3-Dihydroxysuccinic acid;Clopidogrel Impurity 45;Tartaric acid kf-wang(at)kf-chem.com;2,3-dihydroxy-,(theta,theta)-(+/-)-butanedioicaci
DL-Tartaric acid, 99% is a water- and alcohol-soluble colorless crystalline solid with a characteristic acid taste and a melting temperature of 170°C(338°F).
Naturally occurring tartaric acid is generally of the L-configuration (based on the absolute configuration of D-glyceric acid).
The L-forms of tartrates are dextrorotatory in solution and thus are designated as L(+)-tartrates.
DL-Tartaric acid, 99% is also reported found in raw, lean fish, white wine, red wine and port wine.
DL-Tartaric acid, 99% is a white crystalline organic compound with the chemical formula C₄H₆O₆.
It is a racemic mixture, meaning it contains equal amounts of both D-(+)-tartaric acid and L-(–)-tartaric acid enantiomers.
The “99%” purity indicates it is of high analytical or laboratory grade, suitable for precise chemical applications.
DL-Tartaric acid, 99% is derived from tartaric acid, a naturally occurring substance found in grapes, tamarinds, and bananas.
However, the racemic form (DL) is synthetically produced rather than extracted from nature.
It was one of the first compounds studied in detail for optical activity and molecular chirality.
DL-Tartaric acid, 99% belongs to the family of alpha-hydroxy dicarboxylic acids.
It has two hydroxyl (-OH) and two carboxylic acid (-COOH) groups in its molecular structure.
These functional groups allow it to form complexes, salts, and esters with metals and organic molecules.
DL-Tartaric acid, 99% appears as odorless white crystals or powder with a sour taste.
It has a melting point of around 206–210 °C and a molecular weight of 150.09 g/mol.
It is soluble in water and alcohol, but less soluble in nonpolar solvents such as ether.
The compound is stable under normal conditions, but it decomposes when heated strongly.
When dissolved in water, it forms an acidic solution due to the release of hydrogen ions.
Its acidity and chelating ability make it useful in a wide range of industrial and laboratory processes.
DL-Tartaric acid, 99% is widely used as an acidulant and stabilizer in the food and beverage industry.
It provides a tangy taste and adjusts the acidity of soft drinks, fruit juices, and candies.
DL-Tartaric acid, 99% also prevents crystallization of sugar in syrups and confections.
In pharmaceutical formulations, DL-Tartaric acid, 99% acts as an excipient, buffering agent, and stabilizer.
It helps control the pH of solutions and improve the solubility of active ingredients.
Additionally, it is used in the production of effervescent tablets when combined with sodium bicarbonate.
The compound is important in cosmetics and personal care products as well.
It functions as a pH adjuster, antioxidant, and mild exfoliant.
Its presence helps balance the skin’s acidity and improve texture in lotions, creams, and cleansers.
In laboratories, DL-Tartaric acid, 99% is used as a reagent for analytical and synthetic chemistry.
It is employed to prepare tartrate salts of metals such as calcium, potassium, and antimony.
These salts are often used in electroplating, photography, and mirror silvering.
DL-Tartaric acid, 99% is also applied in resolution of racemic mixtures.
It helps separate optical isomers due to its chirality-related properties.
This makes it valuable in stereochemistry and pharmaceutical synthesis.
The compound acts as a chelating agent, forming complexes with metal ions.
This feature makes it useful in metal cleaning, textile dyeing, and leather tanning.
DL-Tartaric acid, 99% also contributes to buffering systems for maintaining stable pH levels in chemical reactions.
DL-Tartaric acid, 99% is one of the most important organic acids used in chemistry and food technology.
It represents the racemic form of tartaric acid, which means it contains both left-handed (L) and right-handed (D) optical isomers.
Because these enantiomers cancel each other’s optical activity, DL-Tartaric acid, 99% is optically inactive.
The molecule consists of a four-carbon backbone, with hydroxyl groups on the second and third carbons.
Each end of the chain carries a carboxylic acid group (-COOH), giving the compound its acidic nature.
This molecular arrangement allows for strong hydrogen bonding and high crystalline stability.
DL-Tartaric acid, 99% is produced through chemical synthesis or by racemizing natural L-tartaric acid.
Industrial production often involves oxidation of maleic anhydride or fumaric acid followed by hydration.
DL-Tartaric acid, 99% can also be obtained as a byproduct during the wine and grape juice fermentation process.
In the chemical industry, DL-Tartaric acid, 99% serves as a complexing and reducing agent.
It forms stable complexes with metals such as copper, cobalt, and iron, which are used in plating and polishing.
In mirror manufacturing, silver nitrate is reduced by tartaric acid to deposit a thin metallic film on glass.
DL-Tartaric acid, 99% is widely used in textile dyeing and leather tanning.
DL-Tartaric acid, 99% helps control pH levels during dye fixation and improves color uniformity.
In tanning, it acts as a buffering agent that enhances the softness and durability of leather.
In cement and gypsum production, tartaric acid functions as a set retarder.
DL-Tartaric acid, 99% slows down the hardening process, allowing more time for application and shaping.
This makes it beneficial for decorative plaster, grouting, and precision casting materials.
Melting point: 210-212 °C(lit.)
Boiling point: 191.59°C (rough estimate)
alpha: [α]D20 -0.2～+0.2° (c=20, H2O)
Density: 1.788
vapor pressure: <0.1 hPa (20 °C)
FEMA: 3044 | TARTARIC ACID (D-, L-, DL-, MESO-)
refractive index: 1.5860 (estimate)
Flash point: 210 °C
storage temp.: Store below +30°C.
solubility: H2O: 0.1 g/mL, clear
form: Liquid
pka: 3.03, 4.37(at 25℃)
color: White
PH: 3.19(1 mM solution);2.58(10 mM solution);2.03(100 mM solution);
Odor: at 100.00 %. very mild caramellic
Odor Type: odorless
biological source: synthetic
Water Solubility: soluble
Merck: 14,9069
JECFA Number: 621
BRN: 1725148
Dielectric constant: 35.9（-10℃）
Stability: Stable. Incompatible with bases, oxidizing agents, reducing agents, silver.
InChIKey: FEWJPZIEWOKRBE-UHFFFAOYSA-N
LogP: -1.43
DL-Tartaric acid, 99% is a tetraric acid that is butanedioic acid substituted by hydroxy groups at positions 2 and 3.
It has a role as a human xenobiotic metabolite and a plant metabolite.
DL-Tartaric acid, 99% is a conjugate acid of a 3-carboxy-2,3-dihydroxypropanoate.
DL-Tartaric acid, 99% plays a significant role in the formulation of oral medications.
It is used in effervescent tablets to react with carbonates and produce fizz upon contact with water.
This not only improves patient compliance but also assists in the rapid dissolution of the drug.
It acts as a pH adjuster and stabilizer in medicinal syrups, capsules, and topical creams.
By maintaining optimal pH levels, it ensures the chemical stability and efficacy of active ingredients.
It is also used to form salts of pharmaceutical compounds, which can alter their solubility or absorption rate.
In addition, DL-Tartaric acid, 99% is utilized in diagnostic reagents and chemical titrations.
Its predictable reactivity with bases and metals makes it ideal for standardizing laboratory solutions.
It can also be used to prepare metal tartrates for radiology and analytical testing.
The tartrates used in commerce are obtained as a by-product of wine manufacture and have the L(+) configuration.
Produced from argols or wine lees, which are formed in the manufacture of wine by extracting the potassium acid tartrate, transforming this into the calcium salt and then acidifying with dilute sulfuric acid; also by oxidation of d-glucose with nitric acid.
DL-Tartaric acid, 99% is obtained by boiling the d-tartaric acid with an aqueous solution of NaOH or by oxidation of fumaric acid.
The l- and the meso-tartaric acid are also known, but are less important.
DL-Tartaric acid, 99% is a naturally occurring organic acid widely recognized for its versatile applications in various industries.
DL-Tartaric acid, 99%, also known as 2,3-dihydroxybutanedioic acid, is primarily utilized in the food and beverage sector as a stabilizing agent and acidulant, enhancing the flavor and texture of products such as cream of tartar in baking.
Its unique ability to form stable complexes with metals makes it valuable in the pharmaceutical industry, where it is used in the formulation of certain medications to improve solubility and bioavailability. Additionally, DL-Tartaric acid, 99% plays a crucial role in the production of wine, where it aids in maintaining the desired acidity levels and contributes to the overall flavor profile.
Researchers and industry professionals appreciate DL-Tartaric acid, 99% for its biodegradable nature and low toxicity, making it an environmentally friendly choice compared to synthetic alternatives.
Its multifunctional properties not only enhance product quality but also align with growing consumer demand for sustainable ingredients.
Whether in food production, pharmaceuticals, or research applications, DL-Tartaric acid, 99% stands out as a reliable and effective compound, offering numerous benefits to enhance product performance and consumer satisfaction.
DL-Tartaric acid, 99% is generally regarded as safe and biodegradable.
It breaks down into water and carbon dioxide under environmental conditions.
Because of its low toxicity, it is widely used in food and pharmaceutical products.
However, direct contact with concentrated forms may cause skin and eye irritation.
Inhalation of fine dust could irritate the respiratory tract or cause coughing.
Therefore, gloves, masks, and goggles should be used when handling it in bulk quantities.
From an environmental perspective, it poses minimal ecological risk.
It does not bioaccumulate and readily decomposes in soil and water.
Proper disposal involves dilution and neutralization before release into wastewater systems.
DL-Tartaric acid, 99% (99%) is a high-purity, racemic organic acid with broad applications in food, medicine, and chemistry.
Its combination of acidity, chelating ability, and molecular symmetry makes it a versatile industrial compound.
Due to its non-toxic and biodegradable nature, it remains a preferred material for both laboratory and commercial use.
In the food industry, DL-Tartaric acid, 99% serves as a flavor enhancer, acid regulator, and antioxidant.
It contributes to the tartness of foods and beverages such as soft drinks, fruit preserves, and candies.
Its ability to stabilize color and prevent sugar crystallization makes it valuable in confectionery production.
It also acts as a leavening acid when mixed with sodium bicarbonate.
During baking, this combination releases carbon dioxide gas, helping dough rise evenly.
This reaction gives cakes, muffins, and biscuits a light and fluffy texture.
In winemaking, tartaric acid helps regulate the pH and acidity of the wine.
Proper acidity enhances the flavor, color stability, and preservation of the final product.
DL-Tartaric acid, 99% can also be added to correct overly basic wines or balance natural acidity levels.
Uses:
DL-Tartaric acid, 99% is used as a synergist for antioxidants, emulsifier, sequestrant and flavoring agent.
DL-Tartaric acid, 99% is also added with citric acid to prepare effervescent salts, thereby enhancing the taste of oral medications.
It is also utilized in pigments, processing aids, ink, toner and colorant products.
DL-Tartaric acid, 99% acts as a chelating agent in metal and farming industries.
Further, it is used as lubricant and grease.
DL-Tartaric acid, 99% is mixed with sodium bicarbonate and used as a leavening agent in food preparation.
In the pharmaceutical industry, it is utilized in the preparation of tartar emetic, which is used in cough syrup as an expectorant.
In the Debus–Radziszewski reaction as a weak acid for the synthesis of imidazolium ionic liquid.
As an additive in electrochemical deposition technique for the synthesis of bismuth thin films to be used as X-ray absorbers.
As a complexing agent for the synthesis of nano-crystalline indium tin oxide (ITO) powder.
As a dopant for the synthesis of polyaniline nanofibers and nanotubes by oxidation polymerization.
DL-Tartaric acid, 99% is increasingly used in cosmetic formulations due to its mild exfoliating properties.
It belongs to the family of alpha-hydroxy acids (AHAs), which promote cell renewal and improve skin texture.
By removing dead skin cells, it enhances the absorption of moisturizing and anti-aging ingredients.
In skincare products, it acts as a pH regulator to maintain stability and preserve active components.
It is commonly found in facial creams, serums, shampoos, and bath products.
Its antioxidant nature helps reduce oxidative stress, keeping skin fresh and balanced.
Additionally, DL-Tartaric acid, 99% is used in tooth whitening and oral care products.
It removes surface stains and maintains the proper pH balance in mouthwash solutions.
Because it is mild and non-abrasive, it is safe for regular use.
DL-Tartaric acid, 99% is a common ingredient in skincare and haircare formulations.
It acts as an alpha-hydroxy acid (AHA), promoting gentle exfoliation and skin renewal.
This helps remove dead skin cells and improve skin tone and smoothness.
It serves as a pH adjuster in creams, lotions, shampoos, and bath products.
By maintaining optimal acidity, it enhances the stability and performance of active ingredients.
Its mild antioxidant property helps protect skin from oxidative stress and premature aging.
In oral care, DL-Tartaric acid, 99% helps in tooth whitening and pH balance.
It removes stains and prevents excessive alkalinity in mouthwashes or toothpaste.
Because it is mild and non-abrasive, it is suitable for daily dental hygiene.
5. Environmental and Laboratory Applications
DL-Tartaric acid, 99% is used as a buffering and complexing agent in analytical chemistry.
It helps maintain stable pH levels during titrations, extractions, and solution preparation.
In research, it is used to prepare metal tartrates for analytical or catalytic studies.
Its chelating ability makes it useful in cleaning and water treatment processes.
It binds with heavy metals, aiding in their safe removal from wastewater.
This makes it a green alternative to stronger synthetic chelating chemicals.
In mirror and glass industries, tartaric acid reduces silver ions to metallic silver.
This creates a uniform reflective layer on glass surfaces.
It remains an important reagent in producing high-quality mirrors and optical coatings.
DL-Tartaric acid, 99% is widely used as a food additive and flavor enhancer.
It provides a pleasant tartness and balances sweetness in fruit juices, candies, and soft drinks.
Because of its stable acidity, it helps preserve color, texture, and freshness in processed foods.
It acts as a crystallization inhibitor in syrups and confectionery.
By preventing sugar crystallization, it ensures smoother textures in candies and jellies.
This property makes it a preferred ingredient in the production of sweets and desserts.
In baking, DL-Tartaric acid, 99% functions as a leavening agent when combined with baking soda.
The acid reacts with sodium bicarbonate to release carbon dioxide gas, allowing dough to rise.
It is a vital component in baking powders for cakes, muffins, and biscuits.
DL-Tartaric acid, 99% is also used in winemaking and beverage formulation.
It helps control the pH level, stabilize flavor, and maintain brightness in wine and juice.
It can correct acidity in overly basic wines, improving their taste and preservation.
2. Pharmaceutical and Medical Uses
In the pharmaceutical industry, DL-Tartaric acid, 99% serves as an excipient and acid regulator.
It adjusts the pH of medicinal formulations, ensuring stability and drug absorption.
It is found in syrups, capsules, tablets, and topical creams.
It is a major component in effervescent tablets, reacting with bicarbonate to produce fizz.
This reaction enhances the solubility and palatability of oral medications.
Common examples include vitamin tablets and antacid preparations.
DL-Tartaric acid, 99% is used in formulating salts of active pharmaceutical ingredients.
These salts can modify a drug’s solubility, bioavailability, or shelf stability.
It also serves as a buffering agent in medical diagnostics and reagent solutions.
3. Chemical and Industrial Applications
In the chemical industry, DL-Tartaric acid, 99% acts as a chelating and reducing agent.
It forms complexes with metals like copper, nickel, and silver, used in electroplating and polishing.
This makes it valuable in mirror silvering and metal surface treatment processes.
It is also employed in textile dyeing and leather tanning operations.
The acid regulates the pH of dye baths and improves the fixation of color on fabrics.
In tanning, it helps soften hides and enhances the texture of finished leather.
DL-Tartaric acid, 99% serves as a retarding agent in cement and gypsum production.
By slowing the setting process, it gives workers more time for mixing and application.
This property is particularly useful in construction and decorative plaster formulations.
It is used in laboratories for stereochemical resolution of racemic mixtures.
Chemists use tartaric acid to separate optical isomers based on solubility differences.
This is especially important in pharmaceutical synthesis, where chirality affects drug function.
DL-Tartaric acid, 99% is classified as non-toxic, biodegradable, and eco-friendly.
It decomposes naturally into harmless substances like water and carbon dioxide.
This makes it safe for large-scale use in food, cosmetics, and cleaning formulations.
In environmental technologies, it is used in biodegradable cleaning agents and detergents.
It neutralizes alkaline waste and assists in removing inorganic residues.
Because it is gentle and non-corrosive, it is suitable for sensitive materials.
DL-Tartaric acid, 99% also plays a role in green chemistry and sustainable manufacturing.
Its renewable nature and low environmental impact make it a preferred ingredient.
It aligns with modern goals of reducing pollution and promoting eco-safe production processes.
Safety Profile:
When used in food processing, DL-Tartaric acid, 99% is safe at regulated concentrations.
However, excessive ingestion may cause irritation to the stomach and intestinal lining.
High doses can result in nausea, vomiting, or abdominal discomfort due to its acidity.
Improper use as a food additive could disrupt the acid-base balance in the body.
Prolonged exposure to highly acidic products may damage tooth enamel.
Therefore, food-grade tartaric acid must always comply with FDA and EFSA purity standards.
In powdered form, it can cause irritation if inhaled or accidentally ingested during industrial mixing.
Workers may experience coughing or mild throat irritation if ventilation is inadequate.
Wearing masks and gloves minimizes these occupational hazards.
DL-Tartaric acid, 99% is non-toxic in the small quantities used in medicines.
However, direct contact with concentrated powder may cause eye or skin irritation.
Repeated or prolonged exposure could lead to dermatitis or redness.
In effervescent formulations, the acid can release carbon dioxide gas rapidly upon moisture contact.
This can cause mild pressure buildup or splashing if sealed containers are opened improperly.
Workers should handle it under controlled humidity and temperature conditions.
If large amounts are accidentally ingested, the acid can lead to metabolic acidosis in sensitive individuals.
Symptoms may include fatigue, headache, and muscle cramps due to lowered blood pH.
Immediate medical attention should be sought in cases of suspected overdose.
In industrial environments, DL-Tartaric acid, 99% may react with strong oxidizing agents or bases.
This can lead to the release of irritant fumes or cause violent reactions under certain conditions.
It should be stored away from substances such as nitric acid, sodium hydroxide, or peroxides.
Fine dust from the crystalline powder can be combustible in air under specific conditions.
Although not highly flammable, it may contribute to dust explosions in poorly ventilated spaces.
Dust control systems and antistatic measures should be implemented in manufacturing facilities.
In electroplating or metal-cleaning applications, acidic residues can corrode metal surfaces.
Improper disposal into drainage systems may temporarily lower water pH and harm aquatic organisms.
Neutralization with mild bases (like sodium carbonate) is recommended before disposal.
When used in cement retarders or polymer reactions, the acid’s low pH can irritate the skin.
Handling without protective gear can result in mild burns or dryness.
Protective gloves, goggles, and long sleeves should always be worn in production areas.
