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Key Documents

1.00291

Millipore

L-Glutamic acid

for biochemistry

Synonym(s):

L-Glutamic acid, L-α-Aminoglutaric acid, Glu, L-alpha-Aminoglutaric acid

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About This Item

Empirical Formula (Hill Notation):
C5H9NO4
CAS Number:
Molecular Weight:
147.13
MDL number:
UNSPSC Code:
12352209
EC Index Number:
200-293-7
NACRES:
NA.21

Quality Level

Assay

≥99% substance (anhydrous) basis (alkalimetric)

form

solid

potency

>30000 mg/kg LD50, oral (Rat)

pH

3.0-3.5 (25 °C, 8.6 g/L in H2O)

mp

160 °C

density

1.54 g/cm3 at 20 °C

bulk density

460 kg/m3

anion traces

chloride (Cl-): ≤0.02%
sulfate (SO42-): ≤0.01%

cation traces

As: ≤0.0005%
Ca: ≤0.001%
Co: ≤0.0005%
Fe: ≤0.0005%
K: ≤0.0005%
Mg: ≤0.0005%
NH4+: ≤0.01%
Na: ≤0.01%
Zn: ≤0.0005%
heavy metals (as Pb): ≤0.001%

storage temp.

2-30°C

InChI

1S/C5H9NO4/c6-3(5(9)10)1-2-4(7)8/h3H,1-2,6H2,(H,7,8)(H,9,10)

InChI key

WHUUTDBJXJRKMK-UHFFFAOYSA-N

Analysis Note

Assay (alkalimetric, calculated on dried substance): ≥ 99.0 %
Identity (IR-spectrum): passes test
Appearance: white to almost white, crystalline powder or colorless crystals
Appearance of solution (0.5 mol/l, hydrochloric acid 1 mol/l): clear and colorless
Spec. rotation (α 20/D, 50 g/l, hydrochloric acid 1 mol/l, calc. on dried substance): +31.5 to +32.5
UV-Absorption (260 nm, 0.5 mol/l, 1 cm, hydrochloric acid 1 mol/l): ≤ 0.10
UV-Absorption (280 nm, 0.5 mol/l, 1 cm, hydrochloric acid 1 mol/l): ≤ 0.10
Chloride (Cl): ≤ 0.02 %
Sulfate (SO₄): ≤ 0.01 %
Heavy metals (as Pb): ≤ 0.001 %
As (Arsenic): ≤ 0.0005 %
Ca (Calcium): ≤ 0.001 %
Co (Cobalt): ≤ 0.0005 %
Fe (Iron): ≤ 0.0005 %
K (Potassium): ≤ 0.0005 %
Mg (Magnesium): ≤ 0.0005 %
Na (Sodium): ≤ 0.01 %
NH₄ (Ammonium): ≤ 0.01 %
Zn (Zinc): ≤ 0.0005 %
Foreign amino acids: ≤ 0.3 %
Other ninhydrine positive substances: ≤ 0.1 %
Loss on drying (105 °C; 3 h): ≤ 0.3 %

Storage Class Code

11 - Combustible Solids

WGK

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable


Certificates of Analysis (COA)

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