PEG/Poly ethylene glycol

  • CAS No.: 25322-68-3
  • Type.: Pharmaceutical Intermediate
  • Appearance: Liquid/Solid
  • Molecular Formula: (C2H4O)nH2O
  • Shelf Life: -
  • Min Order Quantity: As requirements
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Type Appearance Colour
(Pt-Co)
Hydroxyl  value
(mgKOH/g)
Molecular
  Weight
pH
PEG  200 Colorless  liquid ≤ 40 510~623 180~220 5.0~7.0
PEG  300 Colorless  liquid ≤ 40 340~416 270~330 5.0~7.0
PEG  400 Colorless  liquid ≤ 40 255~311 360~440 5.0~7.0
PEG  600 Colorless  liquid ≤ 40 170~208 540~660 5.0~7.0
PEG  800 White  paste ≤ 40 127~156 720~880 5.0~7.0
PEG  1000 White  paste ≤ 40 102~125 900~1100 5.0~7.0
PEG  1500 White  solid ≤ 40 68~84 1350~1650 5.0~7.0
PEG  2000 White  flake ≤ 50 51~63 1800~2200 5.0~7.0
PEG  3000 White  flake ≤ 50 34~42 2700~3300 5.0~7.0
PEG  4000 White  flake ≤ 50 26~32 3600~4400 5.0~7.0
PEG  6000 White  flake ≤ 50 16~21 5400~7000 5.0~7.0
PEG  8000 White  flake ≤ 50 12~16 7200~8800 5.0~7.0
Test  Method — — GB/T 3143 GB/T 7383 Calculated GB/T 6368
 
Application
() In cosmetic industry, PEG/Poly(ethylene glycol)  is widely used for cosmetic cream bases
 
() Polyethylene glycol is widely used in various pharmaceutical preparations, such as injection, local preparation, eye preparation, oral and rectal preparations.
 
(2) Polyethylene glycol at the solid level can be added to the liquid polyethylene glycol to adjust the viscosity for local ointments.
 
(3) Polyethylene glycol mixtures can be used as suppository matrix;
 
(4) The aqueous solution of polyethylene glycol can be used as a suspension or to adjust the viscosity of other suspension media.
 
(5) Polyethylene glycol and other emulsifiers are used to increase the stability of emulsion.
 
(6) In addition, polyethylene glycol is also used as film coating agent, tablet lubricant, controlled release material and so on.



 
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