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900820

Sigma-Aldrich

Polycaprolactone

viscosity 1.7 dL/g 

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Synonym(s):
PCL, Poly[2-oxepanone], Purasorb PC 17
Linear Formula:
CH3(C6H10O2)nCH3
CAS Number:
24980-41-4
UNSPSC Code:
12352200
NACRES:
NA.23

form

chunks

Quality Level

100

impurities

≤0.5 Residual monomer (GC)
≤0.5% Residual Water content (colormetric titration)
≤100 ppm Tin (AAS)

inherent viscosity

1.5-1.9 dL/g

viscosity

1.7 dL/g

storage temp.

−20°C

InChI

1S/C6H10O2/c7-6-4-2-1-3-5-8-6/h1-5H2

InChI key

PAPBSGBWRJIAAV-UHFFFAOYSA-N

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General description

Polycaprolactone (PCL) is a biodegradable, semicrystalline polyester for use in tissue engineering and drug delivery research applications. Due to the increased length of the aliphatic chain, polycaprolactone degrades significantly slower than other common biodegradable polymers, such as polylactide. PCL features a low melting point (55-60 °C), making it ideal for thermal processing and increasing its use in novel applications such as 3D bioprinting. In addition to its favorable thermal properties, PCL also features high solubility in organic solvent allowing for a multitude of other processing options. This product features low residual water, monomer, and catalyst (tin) making it an ideal choice for use in tissue engineering and 3D bioprinting research.

Application

Research applications of this material include:
  • Tissue engineering scaffolds.
  • 3D Bioprinting.
  • Drug delivery applications such as sustained release.

Analysis Note

Appearance: White to light tan granules

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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