Sodium L-glutamate

L-Sodium glutamate structural formula

L-Sodium glutamate structural formula

Structural formula

Business number 03V3
Molecular formula C5H8NNaO4
Molecular weight 169.11

L-Glutamic acid monosodium salt,

L-sodium glutamate,

Sodium aminoglutarate; MSG,

(S)-2-Aminopentanedioic acid,

L-Glutamic acid monosodium salt,

Monosodium glutamate,

Sodium glutamate,

Flavor enhancer

Numbering system

CAS number:142-47-2

MDL number:MFCD00013074

EINECS number:205-538-1

RTECS number:MA1578000

BRN number:None

PubChem ID:None

Physical property data

1. Physical property data:

1. Properties: colorless to white prismatic crystals or white crystalline powder.

2. Density (g/mL, 20℃): 1.635

3. Melting point (ºC): 232ºC

4. Solubility: easily soluble in Water (71.7g/100m1), slightly soluble in ethanol, insoluble in ether.

Toxicological data

2. Toxicological data:

1. Reproductive toxicity

Oral TDLo in rats: 1315 mg/kg;

Oral TDLo in rats : 48 mg/kg;

Rat oral TDLo: 19500 mg/kg;

Rat oral TDLo: 140 mg/kg;

Large Mouse subcutaneous TDLo: 40 mg/kg.

Ecological data

3. Ecological data:

Usually it is not harmful to water. Do not discharge materials into the surrounding environment without government permission.

Molecular structure data


Compute chemical data

IV. Calculated chemical data:

1. Hydrophobic parameter calculation reference value (XlogP): -0.9

2. Number of hydrogen bond donors: 3

3. Number of hydrogen bond acceptors: 5

4. Number of rotatable chemical bonds: 4

5. Topological molecular polar surface area (TPSA): 101

6. Number of heavy atoms: 11

7. Surface charge: 0

8. Complexity: 145

9. Number of isotope atoms: 0

10. Determine the number of atomic stereocenters: 0

11. Uncertain number of atomic stereocenters: 1

12. Determine the number of chemical bond stereocenters: 0

13. The number of uncertain stereocenters of chemical bonds: 0

14. The number of covalent bond units: 2

Properties and stability

1. Stable under normal temperature and pressure.

Incompatible materials: strong oxidizing agents

Storage method

1. Store sealed in a dry and cool place.

��It is generally more reasonable to add it just before or after the pot is started. Generally, the concentration of MSG used is about 0.2-0.5%. my country is currently one of the world’s largest producers and consumers of MSG, and Japan is the world’s largest consumer of MSG. After decades of research and experiments, it has been proven that MSG is one of the important nutrients needed by the human body. It is a natural substance that exists in human food and the human body itself. The human body can completely digest and absorb MSG and carry out normal metabolism after ingestion. Therefore, the 19th Food Additive Regulations Committee Meeting of the Food and Agriculture Organization of the United Nations and the World Health Organization held in the Netherlands in 1987 decided to cancel the restriction on MSG in food. In addition to the above-mentioned medicinal and flavoring uses, sodium glutamate can be used as an organic synthesis intermediate in industry. However, in the world’s annual output of more than 200,000 tons, other uses account for a very small proportion.

4.Sodium glutamate is used as a complexing agent for electroless plating.

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