L-GLUTAMIC ACID (FOR BIOCHEMISTRY)

Article No. Grade Purity Cas no. Molecular Formula Molecular Weight H.S. Code Shelf Life
G0103800500 For Bacteriology 99% 58-86-0 C5H9NO4 147.13 2922.4210
60 Months

Physical Properties

Physical state at 20 °C

Solid

Colour

White powder

Odour

Odorless

Melting Point/ Freezing point [°C]

205 °C

Boiling point [°C]

247°C

Density [g/cm3]

1.538

Solubility in water [% weight]

Slightly soluble in water

Specifications

Appearance:

 A white powder

Chloride (Cl):

 Max 0.02%

Sulphate (SO4):

 Max 0.03%

Heavy metal (as Pb):

 Max 0.001%

Loss on drying (at 105°C) :

 Max 0.5%

Iron (Fe):

 Max 0.001%

Assay (acidimetric):

 Min 99%

Ammonium (NH4):

 Max 0.02%

Sulphated ash (at 600°C):

 Max 0.1%

Ninhydrin positive substance (TLC):

 Max 0.5%

Specific optical rotation ([α]20/D; 100 g/L in 1 mol/L HCl; on dried substance):

 +30.5 to +32.5 deg
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Globally Harmonized System of classification and Labelling of Chemicals (GHS)

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