40980
3,7-Dimethyl-1-octene
≥97.0% (GC)
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About This Item
Linear Formula:
(CH3)2CHCH2CH2CH2CH(CH3)CH=CH2
CAS Number:
Molecular Weight:
140.27
UNSPSC Code:
12352100
NACRES:
NA.22
PubChem Substance ID:
EC Number:
225-635-2
Beilstein/REAXYS Number:
1719870
MDL number:
Assay:
≥97.0% (GC)
Quality Segment
assay
≥97.0% (GC)
refractive index
n
bp
154-156 °C (lit.)
density
0.733 g/mL at 20 °C (lit.)
storage temp.
2-8°C
SMILES string
CC(C)CCCC(C)C=C
InChI
1S/C10H20/c1-5-10(4)8-6-7-9(2)3/h5,9-10H,1,6-8H2,2-4H3
InChI key
KSXTZYRIJKDCEA-UHFFFAOYSA-N
General description
(R)-3,7-dimethyl-1-octene is an optically active alkyl-α-olefin. Its copolymerization with styrene, 1-vinylnaphthalene or 2-methylstyrene by Ziegler-Natta catalysts has been reported. Preparation of copolymers of racemic and optically active 3,7-dimethyl-1-octene with ethylene in the presence of Ziegler-Natta isospecific catalysts have been studied. Polymerization of (R,S)-3,7-dimethyl-1-octene in the presence of heterogeneous or homogeneous isotactic specific catalysts involves highly stereospecific insertion of (R,S)-3,7-dimethyl-1-octene into the metal-CH3 bond.
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