Monosodium glutamate

CAS Number
32221-81-1
EC Number
200-533-0
Industries: Food & Nutrition

What is Monosodium glutamate?

Monosodium glutamate (CAS 32221-81-1), commonly known as MSG, is the sodium salt form of glutamic acid used as a flavor enhancer in food manufacturing.

Where is Monosodium glutamate used?

  • Processed food manufacturing: intensifies savory flavor in soups, sauces, seasonings and snack coatings at low use levels
  • Ready meals and meat processing: marinades, cured products and seasoning blends
  • Pharmaceutical oral formulations: buffering and taste-masking agent
  • Culinary ingredient suppliers package it as a standalone seasoning component for foodservice and retail distribution.

Good to know: It amplifies savory, umami taste profiles, allowing formulators to reduce sodium content. Food-grade material meeting FCC specifications is the standard commercial form, with USP-grade available for specialized pharmaceutical use.

Commercial specifications

  • Various particle size grades for direct blending or coating applications
  • Bulk supply in 25 kg bags; larger quantities in supersacks

Other Names (Synonyms)

DL-Glutamic acid, monosodium salt|sodium 4-amino-5-hydroxy-5-oxopentanoate

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What are the physical properties of Monosodium glutamate?

Appearance white crystalline solid
Color White
Odor faint, peptone-like odor
Form crystallinepowder or small needles

Which trade and regulatory codes apply to Monosodium glutamate?

Storage Class 11 - Combustible Solids
WGK (Germany) 2
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