| Customization: | Available |
|---|---|
| CAS No.: | 56-86-0 |
| Formula: | C5h9no4 |
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L-Glutamic acid for food additives cas 56-86-0
| L-Glutamic acid Basic information | |
| Product Name: | L-Glutamic acid |
| CAS: | 56-86-0 |
| MF: | C5H9NO4 |
| MW: | 147.13 |
| EINECS: | 200-293-7 |
| L-Glutamic acid Chemical Properties | |
| Melting point | 205 °C (dec.) (lit.) |
| alpha | 32 º (c=10,2N HCl) |
| Boiling point | 267.21°C (rough estimate) |
| density | 1.54 g/cm3 at 20 °C |
| FEMA | 3285 | L-GLUTAMIC ACID |
| refractive index | 1.4300 (estimate) |
| storage temp. | 2-8°C |
| solubility | 1 M HCl: 100 mg/mL |
| form | powder |
| pka | 2.13(at 25ºC) |
| color | White |
| PH | 3.0-3.5 (8.6g/l, H2O, 25ºC) |
| 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 | 144,469 |
| BRN | 1723801 |
|
Item
|
Standard
|
|
Appearance
|
white powder
|
|
Assay
|
99.0-100.5%
|
|
Loss on drying
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≤0.10%
|
|
Residue on ignition
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≤0.10%
|
|
Heavy metal (Pb)
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≤10ppm
|
|
State of solution
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≥98%
|
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Ammonium(NH4)
|
≤0.02%
|
|
Sulfate (SO4)
|
≤0.02%
|
|
Chloride (Cl)
|
≤0.02%
|
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