ヒドロキシアセトン

外観

無色～うすい黄色, 澄明の液体

溶解性

水に極めて溶けやすく、エタノール及びアセトンに溶ける。

解説

アセトール，ヒドロキシアセトンともいう．ヒドロキシケトンの一種で，ブロモアセトンとギ酸塩から得られるエステルを加水分解して合成される．無色の液体．沸点145～146 ℃．1.0824．1.4295．水，エタノール，エーテルに可溶．アンモニア性硝酸銀，フェーリング液を還元する．

用途

有機合成原料。

化学的特性

colourless to yellow liquid

使用

Hydroxyacetone is a chemical reagent used in various organic chemical reactions. It is a component of the Mannich reaction, amino acid caalyzes direct asymmetric aldol reactions. In the pharmaceutical setting, this compound is used in the synthesis of imidazoles acting as potent and orally active antihypertensive agents.

定義

ChEBI: A propanone that is acetone in which one of the methyl hydrogens is replaced by a hydroxy group.

一般的な説明

Hydroxyacetone (Acetol) is important for the manufacture of polyols, acrolein, dyes and skin tanning agents. It undergoes asymmetric reduction to yield (R)-1,2-propanediol in the presence of microbial cell catalyst.

安全性プロファイル

Moderately toxic by ingestion. Mutation data reported. An allergen. Implicated in aplastic anemia. A 10 gram dose may be fatal to an adult. skin contact, inhalation, or ingestion can cause asthma, sneezing, irritation of eyes and nose, hives, and eczema. Combustible when exposed to heat or flame. When heated to decomposition it emits acrid smoke and fumes.