299383

2,2,6-三甲基-4H-1,3-二噁英-4-酮

technical grade

• 同義詞: 双乙烯酮丙酮加合物
• 經驗公式（希爾表示法）: C₇H₁₀O₃
• CAS號碼: 5394-63-8
• 分子量：: 142.15
• Beilstein: 2408
• EC號碼: 226-403-3
• MDL號碼: MFCD00040468
• 分類程式碼代碼: 12352100
• PubChem物質ID: 24858039

屬性

• 等級: technical grade
• 折射率: n20/D 1.460 (lit.)
• bp: ~275 °C (lit.); 65-67 °C/2 mmHg (lit.)
• mp: 12-13 °C (lit.)
• 溶解度: water: insoluble
• 密度: 1.07 g/mL at 25 °C (lit.)
• SMILES 字串: CC1=CC(=O)OC(C)(C)O1
• InChI: 1S/C7H10O3/c1-5-4-6(8)10-7(2,3)9-5/h4H,1-3H3
• InChI 密鑰: XFRBXZCBOYNMJP-UHFFFAOYSA-N

描述

一般說明

Flash pyrolysis of 2,2,6-trimethyl-4H-1,3-dioxin-4-one generates acetylketene. It is a diketene-acetone adduct.

應用

2,2,6-trimethyl-4H-1,3-dioxin-4-one was used for acetoacetylation of aliphatic and aromatic alcohols, amines and thiols. It was also used in preparation of N-alkenyl acetoacetamides.

安全資訊

• 象形圖: GHS02,GHS07
• 訊號詞: Danger
• 危險聲明: H225,H319
• 防範說明: P210 - P305 + P351 + P338
• 危險分類: Eye Irrit. 2 - Flam. Liq. 2
• 儲存類別代碼: 3 - Flammable liquids
• 水污染物質分類（WGK）: WGK 1
• 閃點（°F）: 57.2 °F - closed cup
• 閃點（°C）: 14 °C - closed cup
• 個人防護裝備: Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter