Basic information of Trimethyl orthoformate:

(1)CAS No.: ;
(2)Other Names: Methyl orthoformate;
(3)PubChem: 9005;
(4)ChemSpider: 8655;
(5)Molecular formula: C₄H₁₀O₃;
(6)Molar mass: 106.12 g•mol^-1;
(7)Appearance: Colorless liquid;
(8)EINECS No.: 205-745-7.

Trimethyl orthoformate is a the simplest orthoester. This chemical is a reagent used in organic synthesis for the introduction of a protecting group for aldehydes. The product of reaction of an aldehyde with trimethyl orthoformate is an acetal. In general cases, these acetals can be deprotected back to the aldehyde by using hydrochloric acid.