. Basic Information
1.Product Name: DL-Tartaric Acid
2.Synonym: 2,3-Dihydroxybutanedioic Acid; DL-2,3-Dihydroxysuccinic Acid
3.CAS Number: 133-37-9
4.Molecular Formula: CHO
5.Molecular Weight: 150.09
. Physical Properties
·Appearance: White crystalline powder or colorless crystals, odorless.
·Taste: Acidic taste, highly soluble in water.
·Hygroscopicity: Stable in air, but may slightly absorb moisture in highly humid environments.
·Solubility: Soluble in water (approximately 139g/100mL at 20), slightly soluble in ethanol, insoluble in ether.
¢. Main Applications
DL-Tartaric Acid is widely used in food, pharmaceutical, chemical, and other industries:
1.Food Industry:
·As an acidulant to adjust acidity in beverages, candies, jams, etc.
·As a component of leavening agents in baked goods to produce carbon dioxide.
·As a chelating agent to complex metal ions, improving food color and stability.
2.Pharmaceutical Industry:
·Used in the synthesis of pharmaceutical intermediates, such as laxatives and infusion preparations.
·As a medicinal acidulant to adjust the taste of drugs.
3.Chemical and Daily Chemicals:
·Produces tartrate salts (e.g., potassium sodium tartrate) for use as electroplating additives or metal surface treatment agents.
·Adjusts pH in cosmetics or acts as an antioxidant component.
4.Other Fields:
·Serves as a masking agent or complexing agent in analytical chemistry.
·Acts as a nutrient or pH buffer in microbial culture media.
£. Packaging Specifications
·Standard Packaging: 25kg/bag (lined with PE bags, outer PP woven bags); 25kg/cardboard drum.
·Custom Packaging: Available in small specifications (e.g., 1kg/bag) or other customized packaging forms as required.
. Storage and Precautions
Storage Conditions: Store in a cool, dry, and ventilated place, sealed away from fire and heat sources.
Transport Requirements: Handle with care during transportation to prevent package damage; avoid mixed storage and transportation with alkaline substances or oxidizing agents.
Safety Protection: Operators should wear protective gloves and masks to avoid skin contact with dust or inhalation.