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427888

Sigma-Aldrich

Polypropylene

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

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

form

beads

melt index

12 g/10 min (230°C/2.16kg)

mol wt

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

hardness

100 (Rockwell R, ASTM D 785-A)

transition temp

Tm 160-165 °C

density

0.9 g/mL at 25 °C (lit.)

application(s)

battery manufacturing

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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This Item
4281161311306TMO1201-4000
Polypropylene Isotactic, average Mw ~250,000, average Mn ~67,000

Sigma-Aldrich

427888

Polypropylene

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

Sigma-Aldrich

428116

Polypropylene

Homopolymer Polypropylene United States Pharmacopeia (USP) Reference Standard

USP

1311306

Homopolymer Polypropylene

Nalgene® Griffin beakers polypropylene, volume 4000 mL, case of 4 ea

TMO1201-4000

Nalgene® Griffin beakers

transition temp

Tm 160-165 °C

transition temp

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

transition temp

-

transition temp

-

density

0.9 g/mL at 25 °C (lit.)

density

0.9 g/mL at 25 °C (lit.)

density

0.9 g/mL at 25 °C (lit.)

density

-

melt index

12 g/10 min (230°C/2.16kg)

melt index

-

melt index

-

melt index

-

mol wt

average Mn ~67,000

mol wt

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

mol wt

-

mol wt

-

hardness

100 (Rockwell R, ASTM D 785-A)

hardness

-

hardness

-

hardness

-

Application

Used with ram- and screw-injection machines. For automotive, housewares, general molding products and multi- and monofiliment fiber.

Features and Benefits

High stiffness and resistance to solvents and chemicals. Resistant to environmental stress cracking. More prone to oxidation than polyethylene.

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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MMYOMAG-74K-13

1000309185

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R Yan et al.
Food microbiology, 87, 103354-103354 (2020-01-18)
Viruses are transmissible via their interaction with contact surfaces of food containers or tools. This study evaluated the recoveries of MS2 coliphage, a virus surrogate, from polypropylene (PP), polyvinyl chloride (PVC), polyethylene (PE), and glass (borosilicate and soda lime), as
[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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