6397. 2-Naphthoxyacetic Acid

Nomenclature

CAS number: 120-23-0
2-Naphthalenyloxyacetic acid; β-naphthoxyacetic acid; O-(2-naphthyl)glycolic acid.
C12H10O3; mol wt 202.21.
C 71.28%, H 4.98%, O 23.74%.

Description and references

Prepd by treating β-naphthol with chloroacetic acid in an alkaline medium: Spitzer, Ber. 34, 3192 (1901); Shirley, Organic Intermediates (New York, 1951) p 209.

Chemical structure

Properties

Prisms from hot water or benzene, mp 156°. Moderately sol in hot water. Soluble in alcohol, ether, acetic acid.

Derivative

Ethyl ester.
C14H14O3; mol wt 230.26.
C 73.03%, H 6.13%, O 20.85%.

Properties

Leaflets from alcohol, mp 49°. Sol in alcohol, ether.

Use

As plant hormone, to promote growth of roots on clippings, to prevent fruit from falling prematurely; causes stunted growth when used in excess.