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| CAS No.: | 19473-49-5 |
|---|---|
| Name: | L-GLUTAMIC ACID MONOPOTASSIUM SALT |
| Article Data: | 3 |
| Molecular Structure: | |
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|
|
| Formula: | C5H8KNO4 |
| Molecular Weight: | 185.221 |
| Synonyms: | Glutamicacid, monopotassium salt, L- (8CI);L-Glutamic acid, monopotassium salt (9CI);Kaglutam;Monopotassium L-glutamate; |
| EINECS: | 243-094-0 |
| Density: | 1.591g/cm3 at 20℃ |
| Boiling Point: | 333.8 °C at 760 mmHg |
| Flash Point: | 155.7 °C |
| Appearance: | white powder |
| Safety: | 22-24/25 |
| PSA: | 103.45000 |
| LogP: | -1.37130 |
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Chemistry
Molecular structure:
IUPAC Name: Potassium (2s)-2-Amino-5-Hydroxy-5-Oxopentanoate
Synonyms of Monopotassium Glutamate (CAS NO.19473-49-5): [S]-2-Aminopentanedioic Acid Monopotassium Salt ; Potassium L-Glutamate ; Potassium Glutamate ; Monopotassium Glutamate ; Monopotassium L-Glutamate ; Mpg ; Monopotassiumsalt,L-Glutamicaci ; Potassiumglutaminate
Molecular Formula: C5H8KNO4
Molecular Weight: 185.22
EINECS: 243-094-0
Density: 1.409 g/cm3
Flash Point: 155.7 °C
Boiling Point: 333.8 °C at 760 mmHg
Vapour Pressure: 2.55E-05 mmHg at 25°C
Enthalpy of Vaporization: 63.39 kJ/mol
Uses
Monopotassium Glutamate (CAS NO.19473-49-5) is used as a gastric acidifier. Symbols Glu and E.
Production
Raw materials is Potassium carbonate .
Toxicity Data With Reference
| Organism | Test Type | Route | Reported Dose (Normalized Dose) | Effect | Source |
|---|---|---|---|---|---|
| human | TDLo | oral | 57mg/kg (57mg/kg) | behavioral: headache | Science. Vol. 163, Pg. 826, 1969. |
| mammal (species unspecified) | LD50 | unreported | 4500mg/kg (4500mg/kg) | Russian Pharmacology and Toxicology Vol. 42, Pg. 115, 1979. | |
| mouse | LD50 | intraperitoneal | 2400mg/kg (2400mg/kg) | Farmatsevtichnii Zhurnal Vol. (5), Pg. 70, 1987. | |
| mouse | LD50 | oral | 4500mg/kg (4500mg/kg) | Farmakologiya i Toksikologiya Vol. 42, Pg. 274, 1979. | |
| mouse | LD50 | oral | 4500mg/kg (4500mg/kg) | Farmakologiya i Toksikologiya Vol. 42, Pg. 274, 1979. |
Consensus Reports
Reported in EPA TSCA Inventory. EPA Genetic Toxicology Program.
Safety Profile
Mildly toxic by ingestion. Human systemic effects by ingestion: headache. When heated to decomposition it emits toxic fumes of K2O and NOx.
Safety Statements of Monopotassium Glutamate (CAS NO.19473-49-5):
S22: Do not breathe dust.
S24/25: Avoid contact with skin and eyes.
WGK Germany: 2
RTECS: MA1450000
Specification
Monopotassium Glutamate (CAS NO.19473-49-5) is a white powder.It is a potassium acid salt of glutamic acid.