Tartaric Acid
Tartaric Acid is a naturally occurring organic acid found in many plants, particularly grapes. It is widely used in the food, pharmaceutical, and chemical industries due to its acidic properties and ability to act as a chiral building block in synthesis. This crystalline acid enhances flavor, stabilizes products, and serves as a key ingredient in baking powders, effervescent tablets, and various industrial applications.
Primary Uses
Food Industry
Acidulant: Used to impart tartness and acidity in beverages, candies, and baked goods.
Leavening Agent: Combined with baking soda to produce carbon dioxide for rising in baking powders.
pH Adjuster: Maintains desired acidity levels in processed foods and beverages.
Stabilizer: Prevents crystallization in syrups and jams.
Pharmaceutical Industry
Effervescent Tablets: Acts as an acid component in tablets that dissolve with effervescence.
Chiral Agent: Used in the synthesis of pharmaceuticals due to its stereochemical properties.
Antioxidant: Helps stabilize active ingredients in formulations.
Secondary Uses
Chemical Industry
Chelating Agent: Binds metal ions in various industrial processes.
Plasticizer Production: Used as an intermediate in producing biodegradable plastics.
Cosmetics
pH Regulator: Used in skin care products to adjust acidity and improve product stability.
Textile Industry
Mordant: Used in dyeing processes to fix dyes onto fabrics.
Basic Identification Attributes
Chemical Name (IUPAC): 2,3-dihydroxybutanedioic acid
Common/Trade Name: Tartaric Acid
CAS Number: 87-69-4
HS Code: 2918.14.00
Synonyms: 2,3-Dihydroxybutanedioic acid, tartaric acid powder
Physical & Chemical Properties
Physical State: White crystalline powder
Color & Odor: White; odorless
Melting Point: 168–170 °C
Solubility: Soluble in water; slightly soluble in alcohol
Density: Approx. 1.76 g/cm³
Safety & Hazard Attributes
GHS Classification: Not classified as hazardous; may cause mild irritation
Toxicity: Low toxicity; generally recognized as safe (GRAS) for food use
Exposure Limits: No established occupational exposure limits
Storage & Handling Attributes
Storage Conditions: Store in a cool, dry place away from moisture and incompatible substances
Container Type: Bags, drums, or bulk containers
Shelf Life: 24 months under proper storage conditions
Handling Precautions: Avoid dust formation; use dust masks if necessary
Regulatory & Compliance Attributes
Complies with food-grade and pharmaceutical-grade standards (FCC, USP)
Manufactured under Good Manufacturing Practices (GMP)
Meets REACH, OSHA, and GHS regulatory requirements
Environmental & Health Impact
Biodegradability: Readily biodegradable
Ecotoxicity: Low environmental toxicity
Bioaccumulation: Not significant
PPE Required: Gloves and dust mask recommended during handling
Handling Guidelines: Use adequate ventilation to minimize dust exposure
Storage Measures: Keep containers sealed and dry
First Aid Measures
Inhalation: Move to fresh air; seek medical attention if irritation occurs
Skin Contact: Wash with soap and water
Eye Contact: Rinse immediately with water for at least 15 minutes; seek medical help if irritation persists
Ingestion: Rinse mouth; seek medical advice if discomfort occurs
Firefighting Measures
Fire Hazards: Non-flammable
Extinguishing Media: Use water spray, foam, or dry chemical extinguishers
Hazardous Combustion Products: Carbon oxides and other combustion gases under fire conditions