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Product Name

 GLYCEROL ABT. 98 % LR

Article No

 SM0050102500

CAS No

 56-81-5

Molecular Formula

 C3H8O3

Molecular Weight

 92.09

Specifications

Appearance:

 A clear, colourless or almost colourless, odourless; very hygroscopic,syrupy liquid

Refractive index (20°C; 589 nm):

 1.470 - 1.475

Sulphated ash:

 Max 0.01%

Chloride (Cl):

 Max 0.0025%

Sulphate (SO4):

 Max 0.0030%

Heavy metal (as Pb):

 Max 0.0005%

Iron (Fe):

 Max 0.0004%

Water (H2O):

 Max 2%

Acidity:

 Max 0.2 ml of 0.1 N NaOH required for 50 ml of 50% w/v solution

Assay:

 98 - 101%

Alkalinity:

 NIL

Aldehyde and reducing substance:

 To Pass IP test

Clarity (50% w/v in distilled water):

 Clear

Ester:

 Min 8.0 ml of 0.1M HCl required to decolorise the 50 ml of 50% w/v solution of glycerin in water

Sugar:

 To pass IP test

Colour (10 ml of 50% w/v solution diluted to 25 ml):

 Colorless