2-Vinylnaphthalene
Synonym(s):β-Vinylnaphthalene;(2-Naphthyl)ethene;2-Ethenylnaphthalene
- CAS NO.:827-54-3
- Empirical Formula: C12H10
- Molecular Weight: 154.21
- MDL number: MFCD00004125
- EINECS: 212-573-6
- SAFETY DATA SHEET (SDS)
- Update Date: 2024-11-04 20:04:50
What is 2-Vinylnaphthalene?
Chemical properties
Tan powder
The Uses of 2-Vinylnaphthalene
2-Vinylnaphthalene is employed in the synthesis of various copolymers such as Poly (sodium styrenesulfonate-co-2-vinyl-napthalene) copolymer and Poly (2-vinylnapthalene-alt-maleic acid)-graft-polystyrene. The latter finds applications as a photoactive polymer micelle and stabilizer for polystyrene latexes.
What are the applications of Application
Used in plastic scintillators, neutron detectors and other demanding device applications. Poly(2-vinyl naphthalene) is synthesized by free radical or anionic living polymerization 2-vinylnaphthalene.
Definition
ChEBI: 2-vinylnaphthalene is a vinylnaphthalene carrying a vinyl group at position 2.
Synthesis Reference(s)
Tetrahedron Letters, 24, p. 2723, 1983 DOI: 10.1016/S0040-4039(00)88005-3
General Description
2-Vinylnaphthalene (2VNP) can be prepared by the alkylation of naphthalene to I-and 2 ethylnapthalenes followed by dehydrogenation, or by oxidation followed by dehydration. 2VNP is the monomer for poly-(2-vinylnapthalene).
Purification Methods
The flammable solid can be fractionally distilled under reduced pressure using a spinning-band column; dry it with CaH2 and again distil it under vacuum. It crystallises from aqueous MeOH, EtOH (m 66o) or pet ether (m 66-66.5o). Store it in sealed ampoules in a freezer. The picrate has m 91-92o (from EtOH). [Beilstein 5 III 1775, 5 IV 1833.] It is an irritant.
Properties of 2-Vinylnaphthalene
Melting point: | 64-68 °C (lit.) |
Boiling point: | 135 °C (18 mmHg) |
Density | 1.1092 (estimate) |
refractive index | 1.4840 (estimate) |
Flash point: | >230 °F |
storage temp. | 2-8°C |
form | Powder |
color | White to slightly beige or yellow |
Water Solubility | INSOLUBLE |
BRN | 2038190 |
CAS DataBase Reference | 827-54-3(CAS DataBase Reference) |
NIST Chemistry Reference | Naphthalene, 2-ethenyl-(827-54-3) |
Safety information for 2-Vinylnaphthalene
Signal word | Warning |
Pictogram(s) |
Health Hazard GHS08 |
GHS Hazard Statements |
H371:Specific target organ toxicity, single exposure |
Computed Descriptors for 2-Vinylnaphthalene
InChIKey | KXYAVSFOJVUIHT-UHFFFAOYSA-N |
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