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Product Name

 1,2 PROPANEDIOL (PROLPYLENE GLYCOL) AR

Article No

 SS0109302500

CAS No

 57-55-6

Molecular Formula

 C3H8O2

Molecular Weight

 76.10

Specifications

Appearance:

 Clear colourless liquid

Identity (IR):

 Conforms

Refractive index (20°C; 589 nm):

 1.431 - 1.433

Sulphated ash:

 Max 0.007 %

Chloride (Cl):

 Max 0.007 %

Sulphate (SO4):

 Max 0.006%

Heavy metal (as Pb):

 Max 0.0005 %

Water (H2O):

 Max 0.2%

Assay (GC area %):

 Min 99.5%

Acidity:

 Passes test

Density (d25°C/25°C):

 1.035 - 1.037

Reducing substance:

 Passes test

Oxidizing substances:

 Passes test

Density (d20°C/4°C):

 1.035 - 1.040

Boiling Point:

 184 - 189 °C

Appearance of the substance:

 Passes test

Diethylene glycol (GC):

 Max 0.1%

Identity D (Ph Eur) ):

 Melting point of crystals formed on reaction - 121 to 128°C

Isomers of dipropylene glycol:

 Passes test

Residual solvents (ICH Q3C):

 Excluded by production process

Ethylene glycol (GC):

 Max 0.1%