Catalog Number
ACM25322694-8
Product Name
Poly(propylene glycol), average Mn ~400
Description
Polypropylene glycol appears as colorless liquid that is odorless or has a mild sweet odor. May float or sink in water. (USCG, 1999)
IUPAC Name
2-(2-hydroxypropoxy)propan-1-ol
Molecular Weight
134.17g/mol
Canonical SMILES
CC(CO)OCC(C)O
InChI
InChI=1S/C6H14O3/c1-5(8)4-9-6(2)3-7/h5-8H,3-4H2,1-2H3
InChI Key
DUFKCOQISQKSAV-UHFFFAOYSA-N
Melting Point
-58 °F (USCG, 1999)
Flash Point
390 to 495 °F (USCG, 1999)
Density
1.012 at 68 °F (USCG, 1999);1.002-1.007
Solubility
Lower molecular weight members are sol in water;Infinite;In water: PPG 425, >10,000 mg/L; PPG 1000, >1,000 mg/L; PPG 2000, 250 mg/L; PPG 2700, 15 mg/L
Color/Form
Clear, lightly colored, slightly oily, viscous liquids
Covalently-Bonded Unit Count
1
EC Number
500-039-8;203-416-2
Exact Mass
134.094294g/mol
MeSH Entry Terms
2-(2-hydroxypropoxy)-1-propanol
Monoisotopic Mass
134.094294g/mol
Other Experimental
/PPG 400/ Specific gravity: 1.007 at 25 °C; Pour point: -49 °C; Index of refraction: 1.445 at 25 °C;/PPG 400/ Density: 1.01 g/mL at 20 °C; Index of refraction: 1.447 at 20 °C; Viscosity: approximately 100 mPa-sec at 20 °C;/PPG 750/ Specific gravity: 1.004 at 25 °C; Pour point: -44 °C; Index of refraction: 1.447 at 25 °C;/PPG 1200/ Density: 1.00 g/mL at 20 °C; Index of refraction: 1.450 at 20 °C; Viscosity: approximately 270 mPa-sec at 20 °C;/PPG 1200/ Specific gravity: 1.007 at 25 °C; Pour point: -40 °C; Index of refraction: 1.448 at 25 °C;/PPG 2000/ Specific gravity: 1.002 at 25 °C; Pour point: -30 °C; Index of refraction: 1.449 at 25 °C;/PPG 2000/ Density: 1.00 g/mL at 20 °C; Index of refraction: 1.451 at 20 °C; Viscosity: approximately 450 mPa-sec at 20 °C;/PPG 3000/ Specific gravity: 1.001 at 25 °C; Pour point: -29 °C; Index of refraction: 1.449 at 25 °C;/PPG 4000/ Specific gravity: 1.005 at 25 °C; Pour point: -26 °C; Index of refraction: 1.450 at 25 °C;Does not crystallize
RTECS Number
TR5250000;TR5600000;TR5950000
Stability
Quite stable chemically
Vapor Pressure
<0.01 mm Hg at 20 °C /contains 130-190 ppm proprietary phenolic antioxidant/