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182389

Sigma-Aldrich

Polypropylene, isotactic

average Mw ~250,000 by GPC

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About This Item

Linear Formula:
[CH2CH(CH3)]n
CAS Number:
25085-53-4
MDL number:
MFCD00084447
UNSPSC Code:
12162002
PubChem Substance ID:
24850994
NACRES:
NA.23

form

solid

autoignition temp.

>674 °F

mol wt

average Mw ~250,000 by GPC

refractive index

n20/D 1.49 (lit.)

mp

189 °C (lit.)

transition temp

Tg −26 °C

density

0.9 g/mL at 25 °C (lit.)

Related Categories

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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Certificates of Analysis (COA)

Lot/Batch Number
MKCQ1768
MKCM3029
MKCB0216V
MKBZ5411V
MKBW8538V

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Eric S Kim et al.
Polymers, 11(2) (2019-04-10)
Strain hardening has important roles in understanding material structures and polymer processing methods, such as foaming, film forming, and fiber extruding. A common method to improve strain hardening behavior is to chemically branch polymer structures, which is costly, thus preventing

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