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Merck
CN

452149

Polypropylene

Syndiotactic, average Mw ~174,000, average Mn ~75,000

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About This Item

Linear Formula:
[CH2CH(CH3)]n
CAS Number:
9003-07-0
UNSPSC Code:
12162002
PubChem Substance ID:
24868680
MDL number:
MFCD00084447

Key Documents

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Product Name

Polypropylene, Syndiotactic, average Mw ~174,000, average Mn ~75,000

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

SMILES string

CC=C

InChI key

NSYDMBURIUSUDH-RTWAWAEBSA-N

gloss

51.6 %  (45°C)

melt index

2.2 g/10 min (230°C/2.16kg)

mol wt

average Mn ~75,000
average Mw ~174,000

impact strength

14.9 ft-lb/in. (Izod)

transition temp

Tm 125 °C (DSC, peak)

density

0.9 g/mL at 25 °C (lit.)

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Physical form

93% syndiotactic.

Storage Class

13 - Non Combustible Solids

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)

Regulatory Information

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Certificates of Analysis (COA)

Lot/Batch Number
MKBC4652V
MKBC4652
05009PN
10025DO
04622CC

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[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
P K Amid et al.
Journal of biomedical materials research, 28(3), 373-375 (1994-03-01)
This preliminary study examined the possibility of preventing intestinal adhesions to biomaterials while preserving their incorporation with the abdominal wall. White New Zealand rabbits received intraperitoneal implants of different biomaterials for repair of defects created on the abdominal wall. The

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