Formate

Formate or methanoate is the ion CHOO⁻ (formic acid minus one hydrogen ion). It is the simplest carboxylate anion.

A formate (compound) is a salt or ester of formic acid.

See also formic acid.

Examples

• ethyl formate, CH₃CH₂(HCOO)
• sodium formate, Na(HCOO),
• caesium formate, Cs(HCOO),
• methyl formate, CH₃(HCOO)
• methyl chloro formate, CH₃OCOCl,
• triethyl orthoformate, C₇H₁₆O₃,
• trimethyl orthoformate, C₄H₁₀O₃,