34946

四氢呋喃

puriss. p.a., dried, ≥99.9% (GC), ≤0.005% water

• 别名: 丁烯氧化物, 四亚甲基氧化物, 氧杂环戊烷
• 经验公式（希尔记法）: C₄H₈O
• CAS号: 109-99-9
• 分子量: 72.11
• Beilstein: 102391
• EC號碼: 203-726-8
• MDL號碼: MFCD00005356
• 分類程式碼代碼: 12190000
• PubChem物質ID: 24861679

属性

• 蒸汽密度: 2.5 (vs air)
• 蒸汽壓力: 114 mmHg ( 15 °C); 143 mmHg ( 20 °C)
• 等級: puriss. p.a.
• 化驗: ≥99.9% (GC)
• 自燃溫度: 610 °F
• 品質: dried
• 包含: ~250 mg/L 2,6-di-tert.-butyl-4-methylphenol as stabilizer
• expl. lim.: 1.8-11.8 %
• 雜質: ≤0.001% free acid (as CH₃COOH); ≤0.001% non-volatile matter; ≤0.005% peroxides (as H₂O₂); ≤0.005% water (Karl Fischer); ≤0.005% water
• 折射率: n20/D 1.407 (lit.)
• bp: 65-67 °C (lit.)
• mp: −108 °C (lit.)
• 密度: 0.889 g/mL at 25 °C (lit.)
• 正離子痕跡: Al: ≤0.5 mg/kg; B: ≤0.02 mg/kg; Ba: ≤0.1 mg/kg; Ca: ≤0.5 mg/kg; Cd: ≤0.05 mg/kg; Co: ≤0.02 mg/kg; Cr: ≤0.02 mg/kg; Cu: ≤0.02 mg/kg; Fe: ≤0.1 mg/kg; Mg: ≤0.1 mg/kg; Mn: ≤0.02 mg/kg; Ni: ≤0.02 mg/kg; Pb: ≤0.1 mg/kg; Sn: ≤0.1 mg/kg; Zn: ≤0.1 mg/kg
• SMILES 字串: C1CCOC1
• InChI: 1S/C4H8O/c1-2-4-5-3-1/h1-4H2
• InChI 密鑰: WYURNTSHIVDZCO-UHFFFAOYSA-N

说明

包裝

在惰性气体下装瓶

安全信息

• 象形圖: GHS02,GHS08,GHS07
• 訊號詞: Danger
• 危險聲明: H225,H302,H319,H335,H336,H351
• 防範說明: P202 - P210 - P233 - P301 + P312 - P305 + P351 + P338 - P308 + P313
• 危險分類: Acute Tox. 4 Oral - Carc. 2 - Eye Irrit. 2 - Flam. Liq. 2 - STOT SE 3
• 標靶器官: Central nervous system, Respiratory system
• 安全危害: EUH019
• 儲存類別代碼: 3 - Flammable liquids
• 水污染物質分類（WGK）: WGK 1
• 閃點（°F）: -6.2 °F - closed cup
• 閃點（°C）: -21.2 °C - closed cup
• 個人防護裝備: Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter