Food & beverage
Flavor enhancer in soups, sauces, seasonings and snacks.
Ingredients / Amino acids / Monosodium Glutamate
Amino acids
Monosodium Glutamate (E 621)
Monosodium glutamate (MSG) for U.S. manufacturers, from vetted producers. FCC / USP grade on request. Download the sample spec sheet, then send us your grade and quantity.
TRACED · CERTIFIED · RELIABLE · TRANSPARENT · TESTED
Key facts
| CAS No. | 142-47-2 |
|---|---|
| E-number (EU) | E 621 |
| Synonyms | Sodium glutamate, MSG |
| Chemical formula | C5H8NaNO4 · H2O |
| Molecular weight | 187,13 |
| Description | White, practically odourless crystals or crystalline powder |
| Solubility | Freely soluble in water; practically insoluble in ethanol or ether |
| Grades | EU Reg. 231/2012 (E 621) sample spec · FCC / USP available on request for U.S. food/pharma use |
| Origin | Confirmed in every offer; stated per lot on the COA |
| Storage, shelf life, packaging | Per the producer's specification, on request |
What monosodium glutamate (MSG) is
Chemical name: Monosodium L-glutamate monohydrate. Formula C5H8NaNO4 · H2O, molecular weight 187,13. White, practically odourless crystals or crystalline powder. Freely soluble in water; practically insoluble in ethanol or ether. (Source: EU Regulation 231/2012, E 621.)
Applications by industry
Sample specification
Values from EU Regulation 231/2012 (E 621), consolidated text of 18.08.2026. Actual values depend on the producer; the producer's specification and the COA for your lot are available on request.
| Assay | Content not less than 99,0 % and not more than 101,0 % on the anhydrous basis |
|---|---|
| Loss on drying | Not more than 0,5 % (98 °C, 5 hours) |
| Chloride | Not more than 0,2 % |
| Pyrrolidone carboxylic acid | Not more than 0,2 % |
| Lead | Not more than 1 mg/kg |
Download the full spec sheet (PDF)
Documents and sourcing
Droplet promise. Origin confirmed in every offer. Sample lot record on request, from the producer. SDS, allergen and other statements on request. We work with vetted producers and give you access to U.S.- and EU-stocked material through our partner network.
Data sheet, SDS and COA on request. Every delivery ships with a COA linked to the delivered lot.
Questions buyers ask
What is monosodium glutamate (MSG) used for?
Typical uses by industry. Food & beverage: Flavor enhancer in soups, sauces, seasonings and snacks. Suitability for your product and market is confirmed with the producer's specification.
Which grades can McBoeck supply?
Food grade to EU Regulation 231/2012 (E 621). FCC / USP grade is available on request for U.S. food and pharma use. Particle size and other grade details follow the producer's specification, on request.
Which documents come with monosodium glutamate (MSG)?
Every delivery ships with a COA linked to the delivered lot. Origin confirmed in every offer. Sample lot record on request, from the producer. SDS, allergen and other statements on request.
What does the sample spec sheet show?
Limits for assay, loss on drying, chloride, pyrrolidone carboxylic acid and lead, taken from EU Regulation 231/2012. Actual values depend on the producer; the producer's specification and the lot COA are available on request.
How do I get a quote?
Send us the grade, quantity and delivery location through the quote form or at [email protected]. We work with vetted producers and give you access to U.S.- and EU-stocked material through our partner network.
Related amino acids
GlycineL-Cysteine HydrochlorideL-Glutamic AcidL-LeucineAll amino acids
Need monosodium glutamate (MSG)?
Send us the grade, quantity and delivery location. Email [email protected] or call +1 (713) 766-6811.