544418

3-Benzylidene-2,4-pentanedione

97%

• 化学式: CH₃COC(=CHC₆H₅)COCH₃
• CAS番号: 4335-90-4
• 分子量: 188.22
• EC Number: 224-382-5
• MDL番号: MFCD00014990
• UNSPSCコード: 12352100
• PubChem Substance ID: 24878761
• NACRES: NA.22

特性

• アッセイ: 97%
• 屈折率: 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記法: 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 Key: NYRGMNMVISROGJ-UHFFFAOYSA-N

詳細

詳細

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

アプリケーション

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]

安全性情報

• ピクトグラム: GHS07
• シグナルワード: Warning
• 危険有害性情報: H315,H319,H335
• 注意書き: P261 - P264 - P271 - P280 - P302 + P352 - P305 + P351 + P338
• 危険有害性の分類: Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3
• ターゲットの組織: Respiratory system
• 保管分類コード: 10 - Combustible liquids
• WGK: WGK 3
• 引火点(°F): >230.0 °F - closed cup
• 引火点(℃): > 110 °C - closed cup
• 個人用保護具 (PPE): Eyeshields, Gloves, type ABEK (EN14387) respirator filter