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GLYCEROL Extra Pure

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

COAs

Packings

500 ml (00500)

1000 ml (01000)

2500 ml (02500)

25 Liters (0025K)

200 Liters (0200K)

500 ml (005PT)

1000 ml (010PT)

2500 ml (025PT)

2PPB002500 2PDU00A25K 2PDL00200K
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Article No. 00155 Grade Extra Pure
Purity 98% 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%

Specifications

Appearance A clear, colourless or almost colourless, odourless; very hygroscopic,syrupy liquid Assay (on anhydrous basis) 98 - 101%
Identification as per IP To comply Clarity (50% w/v in distilled water) Clear
Colour (10 ml of 50% w/v solution diluted to 25 ml) Colorless Refractive index (20°C; 589 nm) 1.470 - 1.475
Acidity Max 0.2 ml of 0.1 N NaOH required for 50 ml of 50% w/v solution Alkalinity NIL
Heavy metal (as Pb) Max 0.0005% Iron (Fe) Max 0.0004%
Chloride (Cl) Max 0.0025% Sulphate (SO4) Max 0.003%
Aldehyde and reducing substance To Pass IP test Ester Min 8.0 ml of 0.1M HCl required to decolorise the 50 ml of 50% w/v solution of glycerin in water
Ethlylene glycol, diethylene glycol and related substances To comply Sugar To pass IP test
Sulphated ash Max 0.01% Water (H2O) Max 2%
Revision Date: 03-Jul-2023

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