557927
1-Ethynylnaphthalene
97%
Synonym(s):
α-Ethynylnaphthalene, α-Naphthylacetylene, 1-Ethynylnaphthalene, 1-Naphthylacetylene, 1-Naphthylethyne
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About This Item
Linear Formula:
C10H7C≡CH
CAS Number:
Molecular Weight:
152.19
MDL number:
UNSPSC Code:
12352100
PubChem Substance ID:
NACRES:
NA.22
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Assay
97%
refractive index
n20/D 1.6500 (lit.)
density
1.070 g/mL at 25 °C (lit.)
SMILES string
C#Cc1cccc2ccccc12
InChI
1S/C12H8/c1-2-10-7-5-8-11-6-3-4-9-12(10)11/h1,3-9H
InChI key
MCZUXEWWARACSP-UHFFFAOYSA-N
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General description
1-Ethynylnaphthalene can be prepared from 1-acetonaphthone or 1-naphthyl-2-trimethylsilylacetylene.
Application
1-Ethynylnaphthalene may be used to synthesize bis-6,6′-(ethynyl-1-naphthalene)-2,2′-bipyridine.
Signal Word
Warning
Hazard Statements
Precautionary Statements
Hazard Classifications
Flam. Liq. 3
Storage Class Code
3 - Flammable liquids
WGK
WGK 3
Flash Point(F)
136.0 °F - closed cup
Flash Point(C)
57.8 °C - closed cup
Personal Protective Equipment
dust mask type N95 (US), Eyeshields, Gloves
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G J Hammons et al.
Chemical research in toxicology, 2(6), 367-374 (1989-11-01)
Since the N-oxidation of several carcinogenic arylamines has been shown to be catalyzed preferentially by cytochrome P-450IA2 in several species, homologous ethynyl-substituted aromatic hydrocarbons, 2-ethynylnaphthalene, 1-ethynylnaphthalene, and 2-ethynylfluorene, were synthesized and examined as potential mechanism-based inactivators of this monooxygenase. By
Bipyridylacetylenes 1: the synthesis of some bipyridylacetylenes via the palladium-catalyzed coupling of acetylenes with 2, 2'-dibromobipyridyl, and the single crystal X-ray structure of 6, 6'-bisphenylethynyl-2, 2'-bipyridine.
Butler IR and Soucy-Breau C.
Canadian Journal of Chemistry, 69(7), 1117-1123 (1991)
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