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1.00291

L-Glutamic acid

Name: L-Glutamic acid
Brand: MM

for biochemistry

Synonyma:

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

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O této položce

Empirický vzorec (Hillův zápis):

C₅H₉NO₄

Číslo CAS:

56-86-0

Molekulová hmotnost:

147.13

UNSPSC Code:

12352209

EC Index Number:

200-293-7

NACRES:

NA.21

MDL number:

MFCD00002634

Assay:

≥99% substance (anhydrous) basis (alkalimetric)

Form:

solid

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Vlastnosti

Quality Segment

100

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 (SO₄^2-): ≤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

SMILES string

[N+H3]C(CCC(=O)O)C(=O)[O-]

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

Popis

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 %

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Skladovací třída

11 - Combustible Solids

wgk

WGK 1

flash_point_f

Not applicable

flash_point_c