L-CYSTINE (FOR BIOCHEMISTRY)

L-CYSTINE (FOR BIOCHEMISTRY)
Article No. Grade Purity Cas no. Molecular Formula Molecular Weight H.S. Code Shelf Life
C0081300500 For Biochemistry 98.5% 56-89-3 C6H12N2O4S2 240.30 2930.9040
60 Months

Physical Properties

Physical state at 20 °C

Solid

Colour

Colorless crystalline

Melting Point/ Freezing point [°C]

> 240 °C

Solubility in water [% weight]

Soluble in water

Specifications

Appearance:

 White to off white powder

Sulphated ash:

 Max 0.1%

Chloride (Cl):

 Max 0.05%

Sulphate (SO4):

 Max 0.03%

Lead (Pb):

 Max 0.001%

Iron (Fe):

 Max 0.002%

Assay:

 98.5 - 101%

Ammonium (NH4):

 Max 0.02%

Loss on dryig (at 110°C):

 Max 0.5%

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

 -218 to -224°

Ninhydrin positive substance:

 Max 0.2%
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Globally Harmonized System of classification and Labelling of Chemicals (GHS)

SUVCHEM
MAKE IN INDIA

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