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428116

Sigma-Aldrich

Polypropylene

Isotactic, average Mw ~12,000, average Mn ~5,000

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Synonym(s):
PP
Linear Formula:
[CH2CH(CH3)]n
CAS Number:
MDL number:
PubChem Substance ID:
NACRES:
NA.23

form

pellets

mol wt

average Mn ~5,000
average Mw ~12,000

viscosity

6.0 poise(190 °C, Brookfield Thermosel)(lit.)

mp

157 °C

acid number

<0.05 mg KOH/g

transition temp

softening point 163 °C (ring and ball, ASTM E 28)

density

0.9 g/mL at 25 °C (lit.)

SMILES string

CC=C

InChI

1S/C22H42O3/c1-2-3-4-5-11-14-17-20-21(25-20)18-15-12-9-7-6-8-10-13-16-19-22(23)24/h20-21H,2-19H2,1H3,(H,23,24)/t20-,21+/m1/s1

InChI key

NSYDMBURIUSUDH-RTWAWAEBSA-N

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1 of 4

This Item
427888427845TMO1201-0030
Polypropylene Isotactic, average Mw ~12,000, average Mn ~5,000

Sigma-Aldrich

428116

Polypropylene

Polypropylene Isotactic, average Mw ~250,000, average Mn ~67,000

Sigma-Aldrich

427888

Polypropylene

Nalgene&#174; Griffin beakers polypropylene, volume 30&#160;mL, case of 18&#160;ea

TMO1201-0030

Nalgene® Griffin beakers

viscosity

6.0 poise(190 °C, Brookfield Thermosel)(lit.)

viscosity

-

viscosity

4.0 poise(190 °C, Brookfield Thermosel)(lit.)

viscosity

-

mp

157 °C

mp

-

mp

156 °C

mp

-

transition temp

softening point 163 °C (ring and ball, ASTM E 28)

transition temp

Tm 160-165 °C

transition temp

softening point 157 °C (ring and ball)

transition temp

-

density

0.9 g/mL at 25 °C (lit.)

density

0.9 g/mL at 25 °C (lit.)

density

0.934 g/mL at 25 °C

density

-

mol wt

average Mn ~5,000

mol wt

average Mn ~67,000, average Mw ~250,000

mol wt

average Mn ~3,900 by GPC, average Mw ~9,100 by GPC

mol wt

-

Application

Modifier for waxes to reduce blocking, scuffing and abrasion. Improves pigment dispersion in polypropylene films and fibers.

Physical properties

Low density, low viscosity homopolymer.

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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25G
Pack Size/Quantity

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705578-5MG-PW

PL860-CGA/SHF-1EA

MMYOMAG-74K-13

1000309185

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Hiroyuki Yanagisawa et al.
Molecules (Basel, Switzerland), 23(4) (2018-03-23)
This study was conducted with the aim of achieving the simultaneous screening of various additives in polymer materials by utilizing a solvent-free pyrolyzer/thermal desorption gas chromatography mass spectrometry (Py/TD-GC-MS) method. As a first step to achieve this goal, simultaneous screening
[Procedure for membrane oxygenation of blood over hydrophilic polymer membranes].
H Körber et al.
Biomedizinische Technik. Biomedical engineering, 43 Suppl, 338-340 (1998-12-22)
F Cassiola et al.
Artificial organs, 24(3), 168-173 (2000-04-12)
The introduction of microporous polypropylene hollow fibers in recent years has brought considerable advances to blood oxygenators. However, lifetime and assembly problems are still unresolved. In this work we tried to rate the oxygen permeation velocity by turning the fibers
Simon J Gallagher et al.
Journal of drug targeting, 11(6), 373-379 (2003-12-12)
The aim of this study was to test the hypothesis that the most appropriate model for studying the diffusional release of an active from a topical formulation is one in which the membrane offers minimal resistance to release and involves
G Imanidis et al.
European journal of pharmaceutics and biopharmaceutics : official journal of Arbeitsgemeinschaft fur Pharmazeutische Verfahrenstechnik e.V, 47(3), 283-287 (1999-06-26)
The possibility to control the release rate of salbutamol through the hydrophobic Celgard 2500 polypropylene membrane by varying the composition and the viscosity of hydrophilic drug vehicles was investigated. The use of the polypropylene membrane as a control membrane for

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