295663
Propylene
≥99%
Synonym(s):
Propene
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About This Item
Linear Formula:
CH3CH=CH2
CAS Number:
Molecular Weight:
42.08
UNSPSC Code:
12142100
NACRES:
NA.22
PubChem Substance ID:
EC Number:
204-062-1
Beilstein/REAXYS Number:
1696878
MDL number:
Product Name
Propylene, ≥99%
InChI key
QQONPFPTGQHPMA-UHFFFAOYSA-N
InChI
1S/C3H6/c1-3-2/h3H,1H2,2H3
SMILES string
CC=C
vapor density
1.48 (vs air)
vapor pressure
15.4 atm ( 37.7 °C)
assay
≥99%
autoignition temp.
860 °F
expl. lim.
11.1 %
bp
−47.7 °C (lit.)
mp
−185 °C (lit.)
Quality Level
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Application
Propylene may be used in the synthesis of propylene oxide via epoxidation with hydrogen peroxide, in the presence of titanium silicalite catalyst.
General description
Propylene is a nonpolar olefin. It is commonly used as a precursor for the synthesis of cumene, propylene oxide,acrylonitrile, and isopropanol. Selective oxidation of propylene in a gas containing oxygen and hydrogen over Au/TiO2 catalysts has been reported. Polymerization of propylene using Ziegler-Natta catalyst has been studied. Metal-catalyzed copolymerizations of nonpolar olefins (ethylene and propylene) with alkyl acrylates has been described. Copolymerization of propylene with the linear α-olefins 1-octene, 1-decene, 1-tetradecene, and 1-octadecene has been studied.
Packaging
Supplied in a Sure/Pac™ cylinder and has a brass needle valve with a male 1/4" NPTF outlet thread installed. Before using the cylinder, ensure that the valve is closed, then remove the galvanized steel hex cap that seals the outlet valve.
Compatible with the following:
Compatible with the following:
Legal Information
Aldrich is a registered trademark of Sigma-Aldrich Co. LLC
Sure/Pac is a trademark of Sigma-Aldrich Co. LLC
signalword
Danger
hcodes
pcodes
Hazard Classifications
Flam. Gas 1 - Press. Gas Liquefied gas
Storage Class
2A - Gases
wgk
WGK 3
flash_point_f
-162.4 °F - closed cup
flash_point_c
-108 °C - closed cup
ppe
Eyeshields, Faceshields, Gloves, multi-purpose combination respirator cartridge (US)
Regulatory Information
监管及禁止进口产品
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Synthesis of propylene oxide from propylene and hydrogen peroxide catalyzed by titanium silicalite.
Clerici MG, et al.
J. Catal., 129(1), 159-167 (1991)
Thomas Hampel et al.
Chemistry (Weinheim an der Bergstrasse, Germany), 18(33), 10382-10392 (2012-07-19)
The title compounds were synthesized in a longest sequence of 27 linear steps and with an overall yield of 2.9 and 3.9%. In the course of the synthesis, two aldehydes representing carbon fragments C1-C7 (Eastern fragment) and C9-C21 (Western fragment)
Christian Schäfer et al.
Organic & biomolecular chemistry, 10(16), 3253-3257 (2012-03-13)
Intramolecular reductive coupling of cycloalkanones tethered to alkynoates in the presence of (η(2)-propene)titanium was successfully performed to provide hydroxy-esters in a diastereoselective manner. Subsequent lactonization afforded angularly fused unsaturated tricyclic lactones which represent relevant substructures of numerous bioactive compounds.
One-step propylene formation from bio-glycerol over molybdena-based catalysts
Green Chemistry
Green Chemistry, 17, 903-912 (2015)
Manab Sharma et al.
Journal of the American Chemical Society, 134(41), 17234-17244 (2012-09-21)
The use of bis(1,3-di-tert-butylimidazolin-2-iminato) titanium dichloride (1) and dimethyl (2) complexes in the polymerization of propylene is presented. The complexes were activated using different amounts of methylalumoxane (MAO), giving in each case a very active catalytic mixture and producing polymers
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