3223. Dimethoxane

Nomenclature

CAS number: 828-00-2
2,6-Dimethyl-1,3-dioxan-4-ol acetate; 6-acetoxy-2,4-dimethyl-m-dioxane; 2,6-dimethyl-m-dioxan-4-yl acetate; acetomethoxane; Dioxin (obsolete); Giv-Gard DXN (Givaudan).
C8H14O4; mol wt 174.19.
C 55.16%, H 8.10%, O 36.74%.

Description and references

Prepn: C. S. Marvel et al., J. Org. Chem. 4, 252 (1939); Sp"ath et al., Ber. 76, 57 (1943). Description: Am. Perfum. Cosmet. 77, no. 12, 32-34 (1962), C.A. 58, 8848c (1963).

Chemical structure

Properties

Liquid, bp6 74-75°. nD20 1.4310; d420 1.0655. Mustard-like odor. Miscible with water, many organic solvents.

Use

Preservative for cutting oils, resin emulsions, water-based paints, cosmetics, inks. Effective range of concn: 0.03-0.1%. Gasoline additive: Chafetz et al., US 3036904 (1962 to Texaco).