Chemical Product Library / Reference

Monosodium glutamate

Chemical identity, technical indicators, performance and application reference. Confirm specifications and regulatory suitability against supplier documentation.

Molecular structure for Monosodium glutamate

Chemical identity

English nameMonosodium glutamate
English synonymsMSG;Sodium glutamate;L-Glutamic acid monosodium salt
Chinese name谷氨酸钠
Chinese synonyms味精;MSG;L-谷氨酸单钠盐
Chemical categoryFood Acids & Regulators
CAS No.142-47-2
EINECS No.205-538-1
Molecular formulaC5H8NNaO4
Molecular weight169.11
PubChem structure images are reference depictions, not proof of composition, purity, grade, or regulatory status. Mixtures and polymers may not have a single representative structure.

Technical indicators

Assay ≥99.0%; sodium chloride ≤0.5%; heavy metals (as Pb) ≤10 ppm; loss on drying ≤0.5%; pH (5% aqueous solution) 6.7–7.2

Performance characteristics

White crystalline powder, characteristic umami taste, soluble in water

Application scenarios

Food flavor enhancer, condiment, pharmaceutical intermediate