206504
4-Ethynyltoluene
97%
Synonym(s):
1-Ethynyl-4-methylbenzene
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About This Item
Linear Formula:
CH3C6H4C≡CH
CAS Number:
Molecular Weight:
116.16
NACRES:
NA.22
PubChem Substance ID:
UNSPSC Code:
12352100
MDL number:
Product Name
4-Ethynyltoluene, 97%
InChI
1S/C9H8/c1-3-9-6-4-8(2)5-7-9/h1,4-7H,2H3
SMILES string
Cc1ccc(cc1)C#C
InChI key
KSZVOXHGCKKOLL-UHFFFAOYSA-N
assay
97%
form
liquid
refractive index
n20/D 1.547 (lit.)
bp
168-170 °C (lit.)
density
0.916 g/mL at 25 °C (lit.)
Quality Level
Related Categories
Application
4-Ethynyltoluene was used in the synthesis of bis(bicyclic) products by the cycloaddition of alkynes to the AlN2C2.
signalword
Warning
hcodes
Hazard Classifications
Eye Irrit. 2 - Flam. Liq. 3 - Skin Irrit. 2 - STOT SE 3
target_organs
Respiratory system
Storage Class
3 - Flammable liquids
wgk
WGK 3
flash_point_f
120.2 °F - closed cup
flash_point_c
49 °C - closed cup
ppe
Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter
Regulatory Information
监管及禁止进口产品
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Yanxia Zhao et al.
Chemical communications (Cambridge, England), 49(40), 4546-4548 (2013-04-09)
The reaction of dialumane, [L(2-)(THF)Al(II)-Al(II)(THF)L(2-)] (1, L = [(2,6-iPr2C6H3)NC(Me)]2), with the less reactive diphenylacetylene affords a new insertion product [L(2-)(THF)Al(III)(PhC=CPh)(2-)Al(III)(THF)L(2-)] (2). Reaction of 1 with phenylacetylene (or 4-ethynyltoluene), however, proceeds through cycloaddition of alkynes to the AlN2C2 rings to produce
Li-Jing Han et al.
Dalton transactions (Cambridge, England : 2003), 49(24), 8347-8353 (2020-06-11)
A series of dinuclear platinum(ii) alkynyl complexes [Pt2L2(C[triple bond, length as m-dash]CC6H4R-4)4] (R = H 1, CH32, But3) and unusual tetranuclear Pt(ii)-Ag(i) clusters [Pt2Ag2L(C[triple bond, length as m-dash]CC6H4R-4)6] (R = H, 4; CH3, 5; But, 6), together with novel polymer
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