Product Name

  • Name

    Monosodium glutamate

  • EINECS 200-533-0
  • CAS No. 32221-81-1
  • Article Data4
  • CAS DataBase
  • Density
  • Solubility
  • Melting Point
  • Formula C5H8NNaO4
  • Boiling Point 333.8 °C at 760 mmHg
  • Molecular Weight 169.113
  • Flash Point 155.7 °C
  • Transport Information
  • Appearance white crystalline solid
  • Safety
  • Risk Codes
  • Molecular Structure Molecular Structure of 32221-81-1 (Monosodium glutamate)
  • Hazard Symbols
  • Synonyms DL-Glutamicacid, monosodium salt;Glutamic acid, monosodium salt (9CI);Glutamic acid,monosodium salt, DL- (8CI);Monosodium DL-glutamate;Monosodium glutamate;MSG;
  • PSA 103.45000
  • LogP -1.37130

DL-monosodium glutamate Chemical Properties

Molecule structure of Glutamic acid, sodiumsalt (1:1) (CAS NO.32221-81-1):

IUPAC Name: Sodium 4-amino-5-hydroxy-5-oxopentanoate 
Molecular Weight: 169.11109 g/mol
Molecular Formula: C5H8NNaO4 
Flash Point: 155.7 °C
Enthalpy of Vaporization: 63.39 kJ/mol
Boiling Point: 333.8 °C at 760 mmHg
Vapour Pressure: 2.55E-05 mmHg at 25 °C 
Stability: Stable. Incompatible with strong oxidizing agents
H-Bond Donor: 2
H-Bond Acceptor: 5
Rotatable Bond Count: 4
Exact Mass: 169.035102
MonoIsotopic Mass: 169.035102
Topological Polar Surface Area: 103
Heavy Atom Count: 11
Canonical SMILES: C(CC(=O)[O-])C(C(=O)O)N.[Na+]
InChI: InChI=1S/C5H9NO4.Na/c6-3(5(9)10)1-2-4(7)8;/h3H,1-2,6H2,(H,7,8)(H,9,10);/q;+1/p-1
InChIKey: LPUQAYUQRXPFSQ-UHFFFAOYSA-M
Classification Code: Human Data

DL-monosodium glutamate Uses

 Glutamic acid, sodiumsalt (1:1) (CAS NO.32221-81-1) is widely used as flavor agent.

DL-monosodium glutamate Toxicity Data With Reference

Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
human TDLo oral 71mg/kg (71mg/kg) BEHAVIORAL: HEADACHE Science. Vol. 163, Pg. 826, 1969.
 
rat LD50 oral 10gm/kg (10000mg/kg)   Toxicology Letters. Vol. 3, Pg. 71, 1979.

DL-monosodium glutamate Specification

 Glutamic acid, sodiumsalt (1:1) (CAS NO.32221-81-1) is also named as Monosodium DL-glutamate ; Glutamic acid, monosodium salt ; Glutamic acid, monosodium salt, DL- . Glutamic acid, sodiumsalt (1:1) (CAS NO.32221-81-1) is white crystalline solid. It is soluble in water, insoluble in alcohol and ether .

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