COA Center




Confirming to USP
1,2,3-Propanetriol; Glycerin


500 ml (00500)

1000 ml (01000)

2500 ml (02500)

25 Liters (0025K)

200 Liters (0200K)

500 ml (005PT)

1000 ml (010PT)

2500 ml (025PT)

2PPB000500 2PPB001000 2PPB002500 2PDU00A25K 2PDL00200K
Article No. 00156 Grade AR
Purity 99.5% CAS No. 56-81-5
Molecular Formula C3H8O3 Molecular Weight 92.09
H.S. Code 2905.4500 Shelf Life 60 Months

Physical Properties

Physical state at 20 °C Liquid Colour Clear colorless
Odour Odorless pH value 5.5 - 8
Melting point/ Freezing point [°C] 20 °C Auto-ignition temperature [°C] 370°C
Flash point [°C] 160 °C Boiling point [°C] 182 °C
Vapour pressure mm/Hg 0.0033 mm Hg at 50 °C Vapour density 3.18
Density [g/cm3] 1.25 Solubility in water [% weight] Soluble in water
Explosion limits -lower [%] 0.90%


Appearance Clear colorless viscous liquid Assay (on anhydrous basis) Min 99.5%
Fatty acids and esters Max 1.0 ml of 0.5N NaOH consumed Colour scale To Pass USP test
Chloride (Cl) Max 0.001% Sulphate (SO4) Max 0.002%
Chlorinated compounds Max 0.003% Moisture content Max 0.5%
Heavy metal (as Pb) Max 0.0005% Residue on ignition Max 0.01%
Specific gravity (at 25°C) Min 1.249 Total impurities (Chromatographic including Diethylene glycol) Max 1.0%
Individual impurities Max 0.1%
Revision Date: 03-Jul-2023

Download MSDS & COA on your Mobile through LOBACHEMIE APP