Description

Dl-Tartaric Acid CAS NO 133-37-9 is a versatile organic acid widely used as a chiral building block and acidulant. Its racemic mixture of D- and L-enantiomers provides unique chemical properties for synthesis and formulation. This compound is essential for industries requiring a cost-effective and multifunctional acid, including pharmaceuticals, food and beverage, and chemical manufacturing.

Application

• Pharmaceutical Intermediate: Used in the synthesis of chiral drugs and as a resolving agent for racemic mixtures.
• Food & Beverage Additive (E334): Functions as an acidulant, antioxidant, and flavor enhancer in wines, candies, and soft drinks.
• Chemical Synthesis: Serves as a precursor for catalysts, chelating agents, and in asymmetric synthesis.
• Cosmetics & Personal Care: Acts as a pH adjuster and antioxidant in creams and lotions.
• Electroplating & Metal Treatment: Used in bath formulations for cleaning and polishing metal surfaces.
• Laboratory Reagent: Employed in analytical chemistry and biochemical research.

Basic Information

Item	Detail
Product Name	Dl-Tartaric Acid
CAS No.	133-37-9
Molecular Formula	C4H6O6
Molecular Weight	150.09 g/mol
Synonyms	Racemic Tartaric Acid; DL-2,3-Dihydroxybutanedioic Acid; (±)-Tartaric Acid; uvic acid; Paratartaric Acid; Resolvable Tartaric Acid; 2,3-Dihydroxysuccinic Acid
EINECS	205-105-7

Quality Control

Our Dl-Tartaric Acid is manufactured under a strict quality management system. We offer grades compliant with FCC, USP, and industrial standards. Every batch is tested for identity, purity, and specific impurities to ensure it meets your application requirements. A comprehensive Certificate of Analysis (COA) is provided with each shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). This product is hygroscopic (moisture-sensitive); keep the container tightly sealed to prevent absorption of atmospheric moisture.

Specification

Item	Specification
Appearance	White crystalline powder
Identification (IR)	Conforms
Assay (Titration)	≥ 99.0%
Specific Rotation [α]	0° ± 0.5°
Loss on Drying	≤ 0.5%
Sulfated Ash	≤ 0.1%
Heavy Metals (as Pb)	≤ 10 ppm
Residue on Ignition	≤ 0.1%

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.