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PROPYLENE GLYCOL AR

Confirms to BP, USP
1,2-Propanediol

COAs

Packings

500 ml (00500)

2500 ml (02500)

25 Liters (0025K)

200 Liters (0200K)

500 ml (005PT)

2500 ml (025PT)

2PPB000500 2PPB002500 2PDU00A25K 2PDL00200K
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Article No. 00276 Grade AR
Purity 99.5% CAS No. 57-55-6
Molecular Formula C3H8O2 Molecular Weight 76.10
H.S. Code 2905.3200 Shelf Life 60 Months

Physical Properties

Physical state at 20 °C Liquid Colour Clear colorless
Odour Odorless Melting point/ Freezing point [°C] -60 °C
Auto-ignition temperature [°C] 371°C Flash point [°C] 103 °C
Boiling point [°C] 187 °C Vapour pressure [20°C] 0.11 hPa at 20 °C
Vapour density 2.63 Density [g/cm3] 1.036
Solubility in water [% weight] Soluble in water Partition coefficient Log Pow octanol / water at 20°C -0.9
Explosion limits - upper [%] 12.50% Explosion limits -lower [%] 2.60%

Specifications

Appearance Clear colourless liquid Purity (by GC) Min 99.5%
Identity (IR) Conforms Identity D (Ph Eur) ) Melting point of crystals formed on reaction - 121 to 128°C
Appearance of the substance Passes test Density (d20°C/4°C) 1.035 - 1.040
Density (d25°C/25°C) 1.035 - 1.037 Refractive index (20°C; 589 nm) 1.431 - 1.433
Boiling Point 184 - 189 °C Acidity Passes test
Chloride (Cl) Max 0.007 % Sulphate (SO4) Max 0.006%
Heavy metal (as Pb) Max 0.0005 % Isomers of dipropylene glycol Passes test
Diethylene glycol (GC) Max 0.1% Ethylene glycol (GC) Max 0.1%
Residual solvents (ICH Q3C) Excluded by production process Oxidizing substances Passes test
Reducing substance Passes test Sulphated ash Max 0.007 %
Water Max 0.2%
Revision Date: 30-Jun-2023

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