Nomenclature
CAS number: 93-20-9
2-(2-Naphthalenyloxy)ethanol; β-naphthoxyethanol; betanaphthoxyethanol; β-hydroxyethyl 2-naphthyl ether; 2-(β-hydroxyethoxy)naphthalene; ethylene glycol mono-2-naphthyl ether.
C
12H
12O
2; mol wt 188.22.
C 76.57%, H 6.43%, O 17.00%.
Description and references
Prepd by the condensation of β-naphthol with
ethylene chlorohydrin: Rindfusz et al., J. Am. Chem. Soc. 42, 157, 164,
165 (1920); Kirner, Richter, ibid. 51, 3409 (1929); by heating β-naphthol with ethylene
oxide and sodium ethoxide in alcohol: Boyd, Marle, J. Chem. Soc. 105, 2117 (1914).
Properties
Crystals from benzene + petr ether, mp 76.7°. Insoluble in water. One
gram dissolves in 4 g of 95% alcohol, in 2 g acetone; also sol in
ether, chloroform. uv max (0.004% in chloroform):
273, 328 nm (E ≈1.00, ≈0.395).Therapeutic Category (Veterinary)
Formerly as anesthetic.