Basic information One of the 20 kinds of common amino acid Application history The significance of amino acid metabolism Pharmacological effects Identification test Content Analysis Toxicity Limited use Chemical Properties Uses Safety Related Supplier
L-Glutamic acid Structure

L-Glutamic acid

Chemical Properties

Melting point 205 °C (dec.) (lit.)
Boiling point 267.21°C (rough estimate)
alpha  32 º (c=10,2N HCl)
Density  1.54 g/cm3 at 20 °C
refractive index  1.4300 (estimate)
FEMA  3285 | L-GLUTAMIC ACID
storage temp.  2-8°C
solubility  1 M HCl: 100 mg/mL
form  powder
pka 2.13(at 25℃)
color  White
PH 3.0-3.5 (8.6g/l, H2O, 25℃)
Odor at 100.00 %. mild yeast baked bread
Odor Type yeasty
optical activity [α]20/D +32°, c = 10 in 2 M HCl
Water Solubility  7.5 g/L (20 ºC)
λmax λ: 260 nm Amax: 0.1
λ: 280 nm Amax: 0.1
JECFA Number 1420
Merck  14,4469
BRN  1723801
InChIKey WHUUTDBJXJRKMK-VKHMYHEASA-N
LogP -3.69
CAS DataBase Reference 56-86-0(CAS DataBase Reference)
NIST Chemistry Reference L-Glutamic acid(56-86-0)
EPA Substance Registry System L-Glutamic acid (56-86-0)

Safety Information

Hazard Codes  Xi
Risk Statements  36/37/38
Safety Statements  24/25-36-26
WGK Germany  2
RTECS  LZ9700000
10
TSCA  Yes
HS Code  29224200
Hazardous Substances Data 56-86-0(Hazardous Substances Data)
Toxicity LD50 orally in Rabbit: > 30000 mg/kg

MSDS

Usage And Synthesis

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