Description

L-Glutamic Acid Sodium is the monosodium salt of L-glutamic acid, a key amino acid derivative widely used as a flavor enhancer and nutrient. This compound is essential for its ability to impart the savory umami taste and its role in various biochemical processes. It is a critical ingredient for manufacturers in the food & beverage, pharmaceutical, and nutraceutical industries seeking high-quality, reliable raw materials.

Application

• Food & Beverage Industry: Primarily used as a flavor enhancer (E621) to impart umami taste in soups, sauces, snacks, seasonings, and processed meats.
• Pharmaceutical Formulations: Acts as an excipient and a source of L-glutamate in infusion solutions, amino acid supplements, and other medicinal products.
• Nutraceuticals & Dietary Supplements: Incorporated into health supplements for its role in protein synthesis and as a component of amino acid blends.
• Microbiological Culture Media: Serves as a nitrogen source in fermentation processes and the production of culture media for industrial biotechnology.
• Animal Feed Additive: Used to enhance palatability and as a nutritional supplement in premium feed formulations.
• Biochemical Research: Employed as a standard and reagent in enzymatic studies, metabolic research, and cell culture applications.

Basic Information

Product Name	L-Glutamic Acid Sodium
CAS No.	16690-92-9
Molecular Formula	C5H8NNaO4
Molecular Weight	169.11 g/mol
Synonyms	Monosodium L-glutamate; MSG; Sodium L-glutamate; L-Glutamic acid monosodium salt; (S)-2-Aminopentanedioic acid sodium salt; Ajinomoto; E621; Glutamic acid sodium salt
EINECS	240-778-0

Quality Control

Our L-Glutamic Acid Sodium is produced under strict quality management systems. We offer grades compliant with Food Chemical Codex (FCC) and pharmaceutical standards, ensuring it meets rigorous specifications for identity, purity, and safety. Each batch is supported by a comprehensive Certificate of Analysis (COA) detailing assay, optical rotation, heavy metals, and other critical parameters.

Storage

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

Specification

Item	Specification
Appearance	White crystalline powder
Identification (IR)	Conforms
Assay (on dried basis)	99.0% - 101.0%
Specific Rotation [α]20/D	+24.8° to +25.3°
pH (5% solution)	6.7 - 7.2
Loss on Drying	≤ 0.5%
Residue on Ignition (Sulfated Ash)	≤ 0.2%
Heavy Metals (as Pb)	≤ 10 ppm
Arsenic (As)	≤ 1.5 ppm

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