L-PROLINE (FOR BIOCHEMISTRY)

Article No.	Grade	Purity	Cas no.	Molecular Formula	Molecular Weight	H.S. Code	Shelf Life
P0171000100	For Biochemistry	99%	147-85-3	C₅H₉NO₂	115.13	2933.9900	60 Months

Physical Properties

Physical state at 20 °C

Solid

Colour

White crystalline

pH value

6 - 7 at 115 g/l at 25 °C

Melting Point/ Freezing point [°C]

228 °C

Decomposition point [°C]

233 °C

Viscosity at 40°C [mm2/s]

115 g/l at 20 °C - completely soluble

Solubility in water [% weight]

115 g/l at 20 °C - completely soluble

Appearance:	White crystalline powder
Heavy metal (as Pb):	Max 0.001%
Ammonium (NH4):	Max 0.01%
Assay (by HClO4 titration):	Min 99%
Foreign amino acids:	Max 0.3%
Other ninhydrin positive substances (as glycine):	Max 0.1%