202339
Poly(propylene glycol)
average Mn ~2,000
Sinónimos:
PPG, Poly(propylene oxide)
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Fórmula lineal:
H[OCH(CH3)CH2]nOH
Número CAS:
NACRES:
NA.23
PubChem Substance ID:
UNSPSC Code:
12162002
MDL number:
Vapor pressure:
<0.01 mmHg ( 20 °C)
Servicio técnico
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Permítanos ayudarlevapor density
>1 (vs air)
Quality Level
vapor pressure
<0.01 mmHg ( 20 °C)
mol wt
average Mn ~2,000
contains
130-190 ppm proprietary phenolic antioxidant
refractive index
n20/D 1.451
viscosity
300 cSt(25 °C)(lit.)
hydroxyl value
56 mg KOH/g
density
1.005 g/mL at 25 °C
SMILES string
CC(O)CO
InChI
1S/C6H14O3/c1-5(8)4-9-6(2)3-7/h5-8H,3-4H2,1-2H3
InChI key
DUFKCOQISQKSAV-UHFFFAOYSA-N
General description
Poly(propylene glycol) (PPG) is a polyether. It is prepared by ring-opening polymerization of propylene oxide. PPG is less toxic and used as a dispersant in leather finishing, as a surfactant, wetting agent, and in drug formulations.
Application
Poly(propylene glycol) can be used as a:
- Corrosion inhibitor for mild steel in acid solution.
- Starting material to synthesize epoxy resin/polyurethane hybrid networks via frontal polymerization.
Clase de almacenamiento
10 - Combustible liquids
wgk
WGK 1
flash_point_f
445.0 °F - closed cup
flash_point_c
229.44 °C - closed cup
ppe
Eyeshields, Gloves
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The study highlighted the main forces driving the formation of hydroxypropyl-cyclodextrins (HP-CDs) + poly(propylene) glycol 725 g mol(-1) inclusion complexes. The temperature parameter was chosen as the variable to modulate the hydrophobicity of the polymer, and consequently ITC experiments as