Tetronic acid 季酮酸

CAS 4971-56-6 MFCD00010086

化学结构图

4971-56-6
SMILES: O=C1COC(=O)C1

化学属性

Mol. FormulaC4H4O3
Mol. Weight100.07
Melting Point142-147°C
TSCANo
Density1.375
Boiling Point324.3°C at 760 mmHg

别名和识别编码

Chemical NameTetronic acid
Synonym Furan-2,4(3H,5H)-dione {LY} Furan-2,4(3H,5H)-dione tetrahydrofuran-2,4-dione tetronic acid {} {LY} Furan-2,4(3H,5H)-dione {} {} {LY} Furan-2,4(3H,5H)-dione {} {} {} {LY} Furan-2,4(3H,5H)-dione {} {} {} {} {LY} Furan-2,4(3H,5H)-dione {} {} {} {} {} {LY} Furan-2,4(3H,5H)-dione {} {} {} {} {} {} {LY} Furan-2,4(3H,5H)-dione {} {} {} {} {} {} {} {LY} Furan-2,4(3H,5H)-dione {} {} {} {} {} {} {} {} {LY} Furan-2,4(3H,5H)-dione {} {} {} {} {} {} {} {} {} {LY} Furan-2,4(3H,5H)-dione {} {} {} {} {} {} {} {} {} {} {LY} Furan-2,4(3H,5H)-dione {} {} {} {} {} {} {} {} {} {} {} {LY} Furan-2,4(3H,5H)-dione {} {} {} {} {} {} {} {} {} {} {} {} {LY} Furan-2,4(3H,5H)-dione {} {} {} {} {} {} {} {} {} {} {} {} {} {LY} Furan-2,4(3H,5H)-dione {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {LY} Furan-2,4(3H,5H)-dione {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} { {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {LY} Furan-2,4(3H,5H)
MDL NumberMFCD00010086
CAS Number4971-56-6
Beilstein Registry Number17(2)429
EC Number225-617-4
Chemical Name Translation季酮酸
Reaxys-RN108442
PubChem Substance ID521261
LabNetwork Molecule IDLN01746542
InChIInChI=1S/C4H4O3/c5-3-1-4(6)7-2-3/h1-2H2
Canonical SMILESO=C(C1)OCC1=O
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分类

  • {uni_hamburg} no charge; oxygen heterocycle; alicycle; 5ring; ester; ketone; lactone; 1fragment

相关文献及参考

  • Versatile precursor of a variety of substituted and ring-fused furans and butenolides; see, e.g.: J. Org.
  • Selective O-alkylation is promoted by CsF under mild conditions: Synlett, 843 (1995).
  • Short: II/27B
  • Beilstein:17(2)429
  • Short: EINECS
  • Equivalent to the -lactone of 4-hydroxyacetoacetic acid.

安全信息

WGK Germany3
Safety Statements
  • S26 In case of contact with eyes, rinse immediately with plenty of water and seek medical advice 眼睛接触后，立即用大量水冲洗并征求医生意见；
  • S37 Wear suitable gloves 戴适当手套；
  • S36/37/39 Wear suitable protective clothing, gloves and eye/face protection 穿戴适当的防护服、手套和眼睛/面保护；
  • S36 Wear suitable protective clothing 穿戴适当的防护服；
Risk Statements
  • R36/37/38 Irritating to eyes, respiratory system and skin 对眼睛、呼吸系统和皮肤有刺激性
Storage condition Store at room temperature {LY} Store at room temperature {} {LY} Store at room temperature {} {} {LY} Store at room temperature {} {} {} {LY} Store at room temperature {} {} {} {} {LY} Store at room temperature {} {} {} {} {} {LY} Store at room temperature {} {} {} {} {} {} {LY} Store at room temperature {} {} {} {} {} {} {} {LY} Store at room temperature {} {} {} {} {} {} {} {} {LY} Store at room temperature {} {} {} {} {} {} {} {} {} {LY} Store at room temperature {} {} {} {} {} {} {} {} {} {} {LY} Store at room temperature {} {} {} {} {} {} {} {} {} {} {} {LY} Store at room temperature {} {} {} {} {} {} {} {} {} {} {} {} {LY} Store at room temperature {} {} {} {} {} {} {} {} {} {} {} {} {} {LY} Store at room temperature {} {} {} {} {} {} {} {} {} {} {} {} {} {} {LY} Store at room temperature {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {LY} Store at room temperature {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {}
Signal word
Hazard statements
  • H315 Causes skin irritation 会刺激皮肤
  • H319 Causes serious eye irritation 严重刺激眼睛
  • H335 May cause respiratory irritation 可能导致呼吸道刺激
Precautionary statements
  • P261 Avoid breathing dust/fume/gas/mist/vapours/spray. 避免吸入粉尘/烟/气体/烟雾/蒸汽/喷雾。
  • P264 Wash hands thoroughly after handling. 处理后要彻底洗净双手。
  • P264+P265
  • P271 Use only outdoors or in a well-ventilated area.? 只能在室外或通风良好的地方使用。
  • P280 Wear protective gloves/protective clothing/eye protection/face protection. 戴防护手套/防护服/眼睛的保护物/面部保护物。
  • P302+P350
  • P302+P352
  • P302+P352+P332+P313+P362+P364
  • P304+P340
  • P305+P351+P338
  • P305+P351+P338+P337+P313
  • P312 Call a POISON CENTER or doctor/physician if you feel unwell. 如果你感觉不适，呼叫解毒中心或医生/医师。
  • P319
  • P321 Specific treatment (see … on this label). 具体治疗（见本标签上的）。
  • P332+P313
  • P332+P317
  • P337+P313
  • P337+P317
  • P362 Take off contaminated clothing and wash before reuse. 脱掉污染的衣服，清洗后方可重新使用
  • P362+P364
  • P403+P233
  • P405 Store locked up. 上锁保管。
  • P501 Dispose of contents/container to..… 处理内容物/容器.....
Hazard Codes Xi
GHS Symbol

其他信息

  • MOL 文件:4971-56-6.mol
  • 4-羟乙酰乙酸内酯价格(试剂级):更新日期 产品编号 产品名称 包装 价格 2014/06/02 T1137 季酮酸 Tetronic Acid 5G 1960元
  • 图谱信息:4-羟乙酰乙酸内酯(4971-56-6)核磁图( 13 CNMR) 4-羟乙酰乙酸内酯(4971-56-6)红外图谱(IR2) 4-羟乙酰乙酸内酯(4971-56-6)核磁图( 1 HNMR) 4-羟乙酰乙酸内酯(4971-56-6)质谱(MS) 4-羟乙酰乙酸内酯(4971-56-6)红外图谱(IR1)
  • TCI Shanghai:4-羟乙酰乙酸内酯 Tetronic Acid,>;96.0%(T)(4971-56-6)
  • Sigma Aldrich:4971-56-6(sigmaaldrich)

系列性分类

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