L-(+)Sodium Glutamate CAS#142-47-2
L-(+)sodium glutamate (monosodium L-glutamate, MSG) provides a distinctive “umami” taste, which differs from the four basic flavors of sweet, salty, sour, and bitter. MSG is widely used worldwide as a flavor enhancer. Rather than being a direct taste agent, it acts as a complex flavor enhancer for gravies, meats, poultry, sauces, and various other food combinations.
In addition, MSG is employed to improve the taste of tobacco and is used medically in the treatment of hepatic coma. As an amino acid salt, MSG is considered safe for use in cosmetics, including skin care products, when applied at appropriate concentrations.
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L-(+)Sodium glutamate Chemical Properties
Melting point | 232°C |
alpha | 20 -3.5° (10% soln in 5° Bé HCl); D20 +25.16° (10g MSG/100ml 2N HCl) |
density | d20 (saturated water soln): 1.620 |
refractive index | 25 ° (C=10, 2mol/L HCl) |
FEMA | 2756 | MONOSODIUM GLUTAMATE |
storage temp. | Keep in dark place,Inert atmosphere,Room temperature |
solubility | Soluble in water; sparingly soluble in ethanol(95%). |
form | powder |
color | white to off-white |
Odor | Odorless |
biological source | synthetic |
Water Solubility | >=10 g/100 mL at 20 ºC |
Merck | 6254 |
Stability: | Hygroscopic |
LogP | -1.44 |
CAS DataBase Reference | 142-47-2(CAS DataBase Reference) |
EPA Substance Registry System | Monosodium glutamate (142-47-2) |
Safety Information
Melting point | 232°C |
alpha | 20 -3.5° (10% soln in 5° Bé HCl); D20 +25.16° (10g MSG/100ml 2N HCl) |
density | d20 (saturated water soln): 1.620 |
refractive index | 25 ° (C=10, 2mol/L HCl) |
FEMA | 2756 | MONOSODIUM GLUTAMATE |
storage temp. | Keep in dark place,Inert atmosphere,Room temperature |
solubility | Soluble in water; sparingly soluble in ethanol (95%). |
form | powder |
color | white to off-white |
Odor | Odorless |
biological source | synthetic |
Water Solubility | >=10 g/100 mL at 20 ºC |
Merck | 6254 |
Stability: | Hygroscopic |
LogP | -1.44 |
CAS DataBase Reference | 142-47-2(CAS DataBase Reference) |
EPA Substance Registry System | Monosodium glutamate (142-47-2) |
In addition
L-(+)Sodium Glutamate is a versatile food additive renowned for its ability to enhance savory (umami) flavors across a wide range of applications:
Culinary Uses: Commonly used in restaurants, cafeterias, and home kitchens to enrich soups, stews, marinades, and sauces.
Food Production: Ideal for seasoning snacks, instant noodles, canned foods, and processed meats to improve taste and palatability.
Umami Enhancement: Works in synergy with ingredients such as soy sauce, cheese, and mushrooms to deepen and intensify flavor.
Beverages: Added to broths, consommés, and ready-to-drink savory drinks.
Industrial Uses: Utilized in the pharmaceutical and cosmetic industries as a stabilizer or flavoring agent.
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