Dimethyl malonate

Dimethyl

Light, air and moisture sensitive colorless liquid with a faint odor ester type

Liquid

1.15 g · cm -3

-62 ° C

181 ° C.

0.15 mbar ( 20 ° C)

Slightly soluble in water

1.4135 (20 ° C, 589 nm)

• 5330 mg · kg -1 ( LD50, rat, oral)
• 5000 mg · kg -1 ( LD50, Rabbit, transdermal)

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Malonate is a chemical compound selected from the group of carboxylic acid esters, specifically, the esters of malonic acid.

Production and representation

Malonate can be obtained by reacting of formaldehyde with carbon monoxide.

Properties

Dimethyl malonate is a little volatile, light, air - and moisture-sensitive, colorless liquid with a faint odor ester type, which is slightly soluble in water.

Use

Malonate is used as starting material for organic syntheses (e.g., barbituric acid). It continues to be used in heating technology as a liquid in heat cost allocators.

Safety

The vapors of dimethyl malonate to form ( 69-76 ° C, ignition temperature 440 ° C flash point) with air to form an explosive mixture.