Polymethylpentene

Poly(4-methyl-1-pentene)
Names
	IUPAC name Poly[1-(2-methylpropyl)ethylene]
	Other names Poly(4-methyl-1-pentene); PMP
Identifiers
CAS Number	25068-26-2 ;
ChemSpider	none;
CompTox Dashboard (EPA)	DTXSID001010991 ;
Properties
Chemical formula	(C6H12)n
Molar mass	Variable
Density	0.833 g/mL
Melting point	240 °C (464 °F; 513 K)
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). verify (what is ?) Infobox references

Polymethylpentene (PMP), also known as poly(4-methyl-1-pentene), is a thermoplastic polyolefin. It is used for gas-permeable packaging, autoclavable medical and laboratory equipment, microwave components, and cookware. It is commonly called TPX, which is a trademark of Mitsui Chemicals.^[1]

^ Whiteley, Kenneth S.; Heggs, T. Geoffrey; Koch, Hartmut; Mawer, Ralph L.; Immel, Wolfgang (2000). "Polyolefins". Ullmann's Encyclopedia of Industrial Chemistry. Weinheim: Wiley-VCH. doi:10.1002/14356007.a21_487. ISBN 978-3527306732.

[1] Whiteley, Kenneth S.; Heggs, T. Geoffrey; Koch, Hartmut; Mawer, Ralph L.; Immel, Wolfgang (2000). "Polyolefins". Ullmann's Encyclopedia of Industrial Chemistry. Weinheim: Wiley-VCH. doi:10.1002/14356007.a21_487. ISBN 978-3527306732.

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