407437
1,6-Heptadiyne
97%
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About This Item
Linear Formula:
HC≡C(CH2)3C≡CH
CAS Number:
Molecular Weight:
92.14
NACRES:
NA.22
PubChem Substance ID:
UNSPSC Code:
12352100
EC Number:
219-253-5
MDL number:
Assay:
97%
Form:
liquid
Quality Segment
assay
97%
form
liquid
refractive index
n
bp
111.5 °C (lit.)
density
0.805 g/mL at 25 °C (lit.)
storage temp.
2-8°C
SMILES string
C#CCCCC#C
InChI
1S/C7H8/c1-3-5-7-6-4-2/h1-2H,5-7H2
InChI key
RSPZSDWVQWRAEF-UHFFFAOYSA-N
General description
Polymerization of 1,6-heptadiyne using an insoluble Zeigler-Natta catalyst affords soluble polymer having six-membered ring containing polyene. Ruthenium(II)-catalyzed reaction of a substituted 1,6-heptadiyne with norbornene affords a tandem [2+ 2+ 2]/[4+2] cycloaddition product and a [2+ 2+2] cycloadduct. Cyclocopolymerization of 1,6-heptadiyne with dipropargyl ether under nitrogen atmosphere using KSCN, KBr and KI as initiators in N,N-dimethyl formamide has been studied.
Application
1,6-Heptadiyne may be used in the preparation of free-standing polymer films of poly(1,6-heptadiyne).
signalword
Danger
hcodes
Hazard Classifications
Flam. Liq. 2
Storage Class
3 - Flammable liquids
wgk
WGK 2
flash_point_f
48.2 °F - closed cup
flash_point_c
9 °C - closed cup
ppe
Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter
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