CAS 25322-69-4 Poly(propylene glycol) - Materials / Alfa Chemistry

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Hydrophobic Polymers

Poly(propylene glycol)

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Catalog Number

ACM25322694-6

Product Name

Poly(propylene glycol)

Structure

CAS

25322-69-4

Category

Hydrophobic Polymers

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

Molecular Formula

C6H14O3

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

Complexity

65.3

Covalently-Bonded Unit Count

EC Number

500-039-8;203-416-2

Exact Mass

134.094294g/mol

Formal Charge

Heavy Atom Count

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

Rotatable Bond Count

RTECS Number

TR5250000;TR5600000;TR5950000

Stability

Quite stable chemically

UNII

WNY0H4G53Q

Vapor Pressure

<0.01 mm Hg at 20 °C /contains 130-190 ppm proprietary phenolic antioxidant/

XLogP3

-0.7

MSDS