541389

2,2-二甲基-1,3-二氧戊环-4-酮

96%

• 經驗公式（希爾表示法）: C₅H₈O₃
• CAS號碼: 4158-86-5
• 分子量：: 116.12
• MDL號碼: MFCD03093984
• 分類程式碼代碼: 12352100
• PubChem物質ID: 24878532
• NACRES: NA.22

屬性

• 品質等級: 100
• 化驗: 96%
• 折射率: n20/D 1.415 (lit.)
• bp: 41 °C (lit.)
• 密度: 0.989 g/mL at 25 °C (lit.)
• 官能基: ester; ether; ketal
• SMILES 字串: CC1(C)OCC(=O)O1
• InChI: 1S/C5H8O3/c1-5(2)7-3-4(6)8-5/h3H2,1-2H3
• InChI 密鑰: JKUCOZWILDFXMF-UHFFFAOYSA-N

描述

一般說明

2,2-Dimethyl-1,3-dioxolan-4-one can be prepared via condensation reaction between glycolic acid and acetone in the presence of P₂O₅ in diethyl ether.

應用

2,2-Dimethyl-1,3-dioxolan-4-one may be used in the synthesis of the following N,N-disubstituted amides of glycolic acid:

• N,N-diethyl-2-hydroxyacetamide
• N,N-di(n-butyl)-2-hydroxyacetamide
• N,N-di(n-hexyl)-2-hydroxyacetamide
• 4-hydroxyacetylpiperidine
• 4-hydroxyacetylmorpholine
• N-ethyl-N-phenyl-2-hydroxyacetamide

安全資訊

• 象形圖: GHS02,GHS07
• 訊號詞: Warning
• 危險聲明: H226,H315,H319,H335
• 防範說明: P210 - P233 - P240 - P241 - P303 + P361 + P353 - P305 + P351 + P338
• 危險分類: Eye Irrit. 2 - Flam. Liq. 3 - Skin Irrit. 2 - STOT SE 3
• 標靶器官: Respiratory system
• 儲存類別代碼: 3 - Flammable liquids
• 水污染物質分類（WGK）: WGK 3
• 閃點（°F）: 135.0 °F - closed cup
• 閃點（°C）: 57.2 °C - closed cup
• 個人防護裝備: Eyeshields, Gloves