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E622 (MONOPOTASSIUM GLUTAMATE)

MONOPOTASSIUM GLUTAMATE = POTASSIUM (S)-2-AMINO-4-CARBOXYBUTANOATE


CAS Number: 19473-49-5 / 24595-14-0
EC Number: 243-094-0
Chemical formula: C5H8KNO4
E number: E622 


E622 (Monopotassium glutamate) is compound with formula KC5H8NO4. 
E622 (Monopotassium glutamate) is the potassium salt of glutamic acid.
E622 (Monopotassium glutamate) is used in foods as a flavor enhancer. 
E622 (Monopotassium glutamate) is a non-sodium MSG alternative.
E622 (Monopotassium glutamate) is a potassium acid salt of glutamic acid. 


E622 (Monopotassium glutamate) is commercially prepared from molasses by bacterial fermentation and also prepared from vegetable protein, such as gluten, or soy protein. 
Glutamic acid and glutamates are present in all proteins. 
Free glutamates are present in high concentrations in ripened cheese, breast milk, tomatoes and sardines. 
Potassium glutamate is mainly used in low salt (low sodium) products.
Potassium glutamate is an Avail.

USES and APPLICATIONS of E622 (Monopotassium glutamate):
-Flavour enhancer
-Commercially as the natural L(+)enantiomer Potassium glutamate uses and applications include: Nutrient, dietary supplement, flavor enhancer, salt substitute in foods; replenisher

ALTERNATIVE PARENTS of E622 (Monopotassium glutamate):
-Alternative Parents    
-Alpha amino acids 
-Amino fatty acids 
-Dicarboxylic acids and derivatives 
-Amino acids 
-Carboxylic acids 
-Organopnictogen compounds 
-Organic oxides 
-Monoalkylamines 
-Hydrocarbon derivatives 
-Carbonyl compounds 

SUBSTITUENTS of E622 (Monopotassium glutamate):
-Glutamic acid or derivatives
-Alpha-amino acid
-Amino fatty acid
-Dicarboxylic acid or derivatives
-Fatty acid
-Fatty acyl
-Amino acid
-Carboxylic acid
-Organic oxide
-Primary amine
-Organooxygen compound
-Organonitrogen compound
-Primary aliphatic amine
-Organopnictogen compound
-Carbonyl group
-Organic oxygen compound
-Amine
-Organic nitrogen compound
-Hydrocarbon derivative
-Aliphatic acyclic compound

PHYSICAL and CHEMICAL PROPERTIES of E622 (Monopotassium glutamate):
Molar mass: 185.220 g·mol−1
Description: White crystalline solid
Assay:    99.00 to 100.00
Food Chemicals Codex Listed: No
Soluble in:
water, 1e+006 mg/L @ 25 °C 
alcohol, slightly


Water Solubility: 80.6 g/L    
logP: -3.5    
logP: -3.2    
logS: -0.26    
pKa (Strongest Acidic): 1.88    
pKa (Strongest Basic): 9.54    
Physiological Charge: -1    
Hydrogen Acceptor Count: 5    


Hydrogen Donor Count: 3    
Polar Surface Area: 100.62 Ų    
Rotatable Bond Count: 4    
Refractivity: 31.29 m³·mol⁻¹    
Polarizability: 13.49 ų    
Number of Rings: 0    
Bioavailability: Yes
Physical Description: White, practically odourless crystals or crystalline powder
Solubility: Freely soluble in water; practically insoluble in ethanol or ether
pH: Between 6,7 and 7,3 (2 % solution)


FIRST AID MEASURES of E622 (Monopotassium glutamate):
-Description of necessary first-aid measures:
*General advice:
Consult a physician. 
Show this safety data sheet to the doctor in attendance.

*If inhaled:
If breathed in, move person into fresh air. 
If not breathing, give artificial respiration.
Consult a physician.

*In case of skin contact:
Wash off with soap and plenty of water. 
Consult a physician.

*In case of eye contact:
Rinse thoroughly with plenty of water for at least 15 minutes and consult a physician.

*If swallowed:
Never give anything by mouth to an unconscious person. 
Rinse mouth with water. 
Consult a physician.

-Most important symptoms/effects, acute and delayed:
no data available

-Indication of immediate medical attention and special treatment needed, if necessary:
no data available

ACCIDENTAL RELEASE MEASURES of E622 (Monopotassium glutamate):
-Personal precautions, protective equipment and emergency procedures:
Use personal protective equipment:
Ensure adequate ventilation. 
Evacuate personnel to safe areas. 

-Environmental precautions:
Prevent further leakage or spillage if safe to do so. 
Do not let product enter drains. 

-Methods and materials for containment and cleaning up:
Pick up and arrange disposal. 
Sweep up and shovel. 
Keep in suitable, closed containers for disposal.


FIRE FIGHTING MEASURES of E622 (Monopotassium glutamate):
-Extinguishing media:
Suitable extinguishing media:
Use water spray, alcohol-resistant foam, dry chemical or carbon dioxide.

-Specific hazards arising from the chemical:
no data available

-Special protective actions for fire-fighters:
Wear self-contained breathing apparatus for firefighting if necessary.


PERSONAL PROTECTION of E622 (Monopotassium glutamate):
-Control parameters:
Occupational Exposure limit values: no data available

-Biological limit values: no data available


-Appropriate engineering controls:
Handle in accordance with good industrial hygiene and safety practice. Wash hands before breaks and at the end of workday.

-Individual protection measures, such as personal protective equipment (PPE)
*Eye/face protection:
Safety glasses with side-shields conforming to EN166. 


*Skin protection
Wear impervious clothing. 
Handle with gloves. 
Gloves must be inspected prior to use. 
Wash and dry hands. 

HANDLING and STORAGE of E622 (Monopotassium glutamate):
-Conditions for safe storage, including any incompatibilities:
Store in cool place. 
Keep container tightly closed in a dry and well-ventilated place.

STABILITY and REACTIVITY of E622 (Monopotassium glutamate):
-Reactivity: no data available
-Chemical stability: Stable under recommended storage conditions.
-Possibility of hazardous reactions: no data available
-Conditions to avoid: no data available
-Incompatible materials: no data available
-Hazardous decomposition products: no data available

SYNONYMS:
Potassium 2-amino-5-hydroxy-5-oxopentanoate
potassium;(2S)-2-amino-5-hydroxy-5-oxopentanoate
Potassium glutamate
E622
Glutamic acid potassium salt
L-Glutamic acid, monopotassium salt
Monopotassium L-glutamate
Potassium glutamate
Potassium glutaminate
5-Potassium hydrogen L-glutamate
L-Glutamic acid, potassium salt (1:1)
L-glutamic acid potassium salt (1:1)
Potassium L-glutamate
MPG
L-Glutamic acid monopotassium
2-Aminoglutarate    
2-Aminoglutaric acid    
5-Potassium hydrogen L-glutamate    
Aluminum L glutamate    
Aluminum L-glutamate    
D Glutamate        
DL-Glutamate    
DL-Glutamic acid    
DL-Glutaminate

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