Product name:1,1,3,3-Tetraethoxypropane CAS No:122-31-6 1.Properties: Malonaldehy bisldiethy(acetal) inflammable liquid with slight irritating odor, boiling point: 220°C; molecular weight: 220.31; specific wt.: 0.919g/cm3; flash point: 108°C 2.Appearance: colorless transparent liquid 3.assay: ≥98% 4.Use: Used as pharmaceutical and dyes intermediate; also used as intermediate for preservative of farm produce.