Description

Ammonium L-Tartrate is the ammonium salt of L-tartaric acid, a naturally occurring organic acid. This high-purity chiral compound is valued for its role as a versatile intermediate and resolving agent in sophisticated chemical synthesis. It is essential for manufacturers and R&D facilities in the pharmaceutical, food science, and fine chemical industries seeking reliable, high-quality chiral building blocks.

Application

• As a chiral resolving agent for the separation of racemic mixtures in pharmaceutical intermediate synthesis.
• As a nutrient component and pH buffer in specialized microbiological culture media and fermentation processes.
• In the formulation of certain baking powders and as a pH regulator in food-grade applications.
• As a precursor in the synthesis of catalysts and other fine chemicals requiring a tartrate backbone.
• In analytical chemistry as a standard or reagent in chiral analysis methods.
• For research and development in asymmetric synthesis and crystallography studies.

Basic Information

Product Name	Ammonium L-Tartrate
CAS No.	3164-29-2
Molecular Formula	C4H12N2O6 or (NH4)2C4H4O6
Molecular Weight	184.15 g/mol
Synonyms	Ammonium L-(+)-Tartrate; Diammonium L-Tartrate; L-(+)-Ammonium Tartrate; (2R,3R)-2,3-Dihydroxybutanedioic acid diammonium salt; Ammonium (2R,3R)-2,3-dihydroxysuccinate; Butanedioic acid, 2,3-dihydroxy- (2R,3R)-, diammonium salt; EINECS 221-618-9
EINECS	221-618-9

Quality Control

Our Ammonium L-Tartrate is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing to ensure it meets exacting specifications for identity, purity, and chiral integrity. Certificates of Analysis (COA) detailing assay, optical rotation, and impurity profiles are available upon request to support your quality assurance and regulatory needs.

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); ensure containers are kept sealed to prevent absorption of atmospheric moisture.

Specification

Item	Specification
Appearance	White crystalline powder
Identification (IR)	Conforms
Assay (HPLC)	≥ 98.0%
Specific Optical Rotation [α]20/D	+28.0° to +30.0° (c=10 in H2O)
Loss on Drying	≤ 0.5%
Residue on Ignition (Sulfated Ash)	≤ 0.1%
Heavy Metals (as Pb)	≤ 20 ppm

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