544418

3-亚苄基-2,4-戊二酮

97%

• 線性公式: CH₃COC(=CHC₆H₅)COCH₃
• CAS號碼: 4335-90-4
• 分子量：: 188.22
• EC號碼: 224-382-5
• MDL號碼: MFCD00014990
• 分類程式碼代碼: 12352100
• PubChem物質ID: 24878761
• NACRES: NA.22

屬性

• 化驗: 97%
• 折射率: n20/D 1.583 (lit.)
• bp: 185-188 °C/15 mmHg (lit.)
• 密度: 1.081 g/mL at 25 °C (lit.)
• 官能基: ketone; phenyl
• SMILES 字串: CC(=O)\C(=C\c1ccccc1)C(C)=O
• InChI: 1S/C12H12O2/c1-9(13)12(10(2)14)8-11-6-4-3-5-7-11/h3-8H,1-2H3
• InChI 密鑰: NYRGMNMVISROGJ-UHFFFAOYSA-N

描述

一般說明

3-Benzylidene-2,4-pentanedione (BPD) can be prepared by reacting benzaldehyde with 2,4-pentanedione in the presence of a base.[1]

應用

3-Benzylidene-2,4-pentanedione may be used in the preparation of:

• Five membered cyclic oxyphosphoranes by reacting with phosphonite esters.[2]
• 5-Hydroxy-N-substituted-2H-pyrrol-2-ones by reacting with alkyl isocyanides.[3]
• 3-Benzylidene-2,4-bis (trimethylsilyloxy)-1,4-pentadiene via trimethylsilylation.[1]

安全資訊

• 象形圖: GHS07
• 訊號詞: Warning
• 危險聲明: H315,H319,H335
• 防範說明: P261 - P264 - P271 - P280 - P302 + P352 - P305 + P351 + P338
• 危險分類: Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3
• 標靶器官: Respiratory system
• 儲存類別代碼: 10 - Combustible liquids
• 水污染物質分類（WGK）: WGK 3
• 閃點（°F）: >230.0 °F - closed cup
• 閃點（°C）: > 110 °C - closed cup
• 個人防護裝備: Eyeshields, Gloves, type ABEK (EN14387) respirator filter