3,4-Diethoxy-3-cyclobutene-1,2-dione 3,4-二乙氧基-3-环丁烯-1,2-二酮

CAS 5231-87-8 MFCD00001333

化学结构图

5231-87-8
SMILES: CCOc1c(OCC)c(=O)c1=O

化学属性

Mol. FormulaC8H10O4
Mol. Weight170.16
Density1.15
Refractive indexn20/D 1.509(lit.)
Boiling Point95 °C at 0.1 mmHg
Flash Point110°C
TSCANo
Solubility不溶
pH:A
Melting Point13-18 °C

别名和识别编码

Chemical Name3,4-Diethoxy-3-cyclobutene-1,2-dione
CAS Number5231-87-8
Alfabeta NameDIETHOXYCYCLOBUTENEDIONE 34312-----,,
MDL NumberMFCD00001333
EC Number250-023-7
Beilstein Registry Number640626
Synonym 3,4-Diethoxycyclobut-3-ene-1,2-dione {LY} 3,4-Diethoxycyclobut-3-ene-1,2-dione {} {LY} 3,4-Diethoxycyclobut-3-ene-1,2-dione {} {} {LY} 3,4-Diethoxycyclobut-3-ene-1,2-dione {} {} {} {LY} 3,4-Diethoxycyclobut-3-ene-1,2-dione {} {} {} {} {LY} 3,4-Diethoxycyclobut-3-ene-1,2-dione {} {} {} {} {} {LY} 3,4-Diethoxycyclobut-3-ene-1,2-dione {} {} {} {} {} {} {LY} 3,4-Diethoxycyclobut-3-ene-1,2-dione {} {} {} {} {} {} {} {} {} {} {} {} {} {} {LY} 3,4-Diethoxycyclobut-3-ene-1,2-dione {} {} {} {} {} {} {} {} {LY} 3,4-Diethoxycyclobut-3-ene-1,2-dione {} {} {} {} {} {} {} {} {} {LY} 3,4-Diethoxycyclobut-3-ene-1,2-dione {} {} {} {} {} {} {} {} {} {} {LY} 3,4-Diethoxycyclobut-3-ene-1,2-dione {} {} {} {} {} {} {} {} {} {} {} { {} {} {} {} {} {} {} {} {} {} {} {LY} 3,4-Diethoxycyclobut-3-ene-1,2-dione {} {} {} {} {} {} {} {} {} {} {} {} {LY} 3,4-Diethoxycyclobut-3-ene-1,2-dione {} {} {} {} {} {} {} {} {} {} {} {} {} { {} {} {} {} {} {} {} {} {} {} {} {} {} {LY} 3,4-Diethoxycyclob
PubChem Substance ID123228
Chemical Name Translation3,4-二乙氧基-3-环丁烯-1,2-二酮
Reaxys-RN640626
InChIKeyDFSFLZCLKYZYRD-UHFFFAOYSA-N
LabNetwork Molecule IDLN00174948
InChIInChI=1S/C8H10O4/c1-3-11-7-5(9)6(10)8(7)12-4-2/h3-4H2,1-2H3
Canonical SMILESC(OC1=C(C(=O)C1=O)OCC)C
信息真实价格透明    资金保障    专业采购外包团队在线服务   
信息真实价格透明    资金保障    专业采购外包团队在线服务   
品牌质保精细包装    现货库存    一流品牌服务   

分类

  • {SNA} Building Blocks, C7 to C8, Carbonyl Compounds, Chemical Synthesis, Ketones, Organic Building Blocks

相关文献及参考

  • For reaction with 1-lithiofuran and thermal rearrangement of the resulting 1-hydroxy-1-furanyl derivative to give, after oxidation, a furanoquinone, see: Org. Synth. Coll., 8, 179 (1993); other examples of annulated quinones are also listed.

安全信息

Warnings IRRITANT
Signal word Danger Warning
GHS Symbol
WGK Germany3
Safety Statements
  • S23 Do not breathe gas/fumes/vapour/spray (appropriate wording to be specified by the manufacturer) 不要吸入气体/烟雾/蒸汽/喷雾;
  • S24 Avoid contact with skin 避免皮肤接触;
  • 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;
  • 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;
  • S37 Wear suitable gloves 戴适当手套;
  • S37/39 Wear suitable gloves and eye/face protection 穿戴适当的手套和眼睛/面保护;
  • S45 In case of accident or if you feel unwell seek medical advice immediately (show the label where possible) 发生事故时或感觉不适时,立即求医(可能时出示标签);
  • S7 Keep container tightly closed 保存在严格密闭容器中;
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
  • R42/43
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。
  • P270 Do not eat, drink or smoke when using this product. 使用本产品时不要吃东西,喝水或吸烟。
  • 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。
  • P272 Contaminated work clothing should not be allowed out of the workplace. 污染的工作服不得带出工作场所。
  • 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。
  • P284 Wear respiratory protection.? 佩戴呼吸保护装置。
  • P285 In case of inadequate ventilation wear respiratory protection. 在通风不足的情况下,戴呼吸防护。
  • P301+P310
  • P302+P350
  • P302+P352
  • P304+P340
  • P304+P341
  • 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。
  • P321 Specific treatment (see … on this label). 具体治疗(见本标签上的)。
  • P322 Specific measures (see …on this label). 具体治疗(见本标签上的)。
  • P330 Rinse mouth. 漱口
  • P332+P313
  • P333+P313
  • P337+P313
  • P342+P311
  • 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
  • P363 Wash contaminated clothing before reuse. 被污染的衣服洗净后方可重新使用。
  • P403+P233
  • P405 Store locked up. 上锁保管。
  • P501 Dispose of contents/container to..… 处理内容物/容器.....
Hazard statements
  • H301 Toxic if swallowed 吞食有毒
  • H312 Harmful in contact with skin 皮肤接触有害
  • H315 Causes skin irritation 会刺激皮肤
  • H317 May cause an allergic skin reaction 可能导致皮肤过敏
  • H319 Causes serious eye irritation 严重刺激眼睛
  • H334 May cause allergy or asthma symptoms or breathing difficulties if inhaled 吸入可能导致过敏或哮喘症状或呼吸困难
  • H335 May cause respiratory irritation 可能导致呼吸道刺激
Personal Protective Equipment Eyeshields, Faceshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter
RTECSGU1772466
Hazard Codes Xn Xn,Xi
Storage condition 2-8°C, protect from light, stored under nitrogen {LY} 2-8°C, protect from light, stored under nitrogen {} {LY} 2-8°C, protect from light, stored under nitrogen {} {} {LY} 2-8°C, protect from light, stored under nitrogen {} {} {} {LY} 2-8°C, protect from light, stored under nitrogen {} {} {} {} {LY} 2-8°C, protect from light, stored under nitrogen {} {} {} {} {} {LY} 2-8°C, protect from light, stored under nitrogen {} {} {} {} {} {} {LY} 2-8°C, protect from light, stored under nitrogen {} {} {} {} {} {} {} {LY} 2-8°C, protect from light, stored under nitrogen {} {} {} {} {} {} {} {} {LY} 2-8°C, protect from light, stored under nitrogen {} {} {} {} {} {} {} {} {} {LY} 2-8°C, protect from light, stored under nitrogen {} {} {} {} {} {} {} {} {} {} {LY} 2-8°C, protect from light, stored under nitrogen {} {} {} {} {} {} {} {} {} {} {} {LY} 2-8°C, protect from light, stored under nitrogen {} {} {} {} {} {} {} {} {} {} {} {} {LY} 2-8°C, protect from light, stored under nitr

其他信息

  • Alfa Aesar:3,4-二乙氧基-3-环丁烯-1,2-二酮,98% 3,4-Diethoxy-3-cyclobutene-1,2-dione, 98%(5231-87-8)
  • MOL 文件:5231-87-8.mol
  • Sigma Aldrich:5231-87-8(sigmaaldrich)
  • 方酸二乙酯价格(试剂级):更新日期 产品编号 产品名称 包装 价格 2014/06/02 D3253 3,4-二乙氧基-3-环丁烯-1,2-二酮 3,4-Diethoxy-3-cyclobutene-1,2-dione 25G 4090元 2014/06/02 D3253 3,4-二乙氧基-3-环丁烯-1,2-二酮 3,4-Diethoxy-3-cyclobutene-1,2-dione 5G 1240元 2010/06/21 RDP00117EA 方酸二乙酯 3,4-diethoxycyclobut-3-ene-1,2-dione 10 GR 1545元
  • 图谱信息:方酸二乙酯(5231-87-8)核磁图( 1 HNMR) 方酸二乙酯(5231-87-8)质谱(MS) 方酸二乙酯(5231-87-8)核磁图( 13 CNMR) 方酸二乙酯(5231-87-8)红外图谱(IR1)
  • TCI Shanghai:3,4-二乙氧基-3-环丁烯-1,2-二酮 3,4-Diethoxy-3-cyclobutene-1,2-dione,>;98.0%(GC)(5231-87-8)
  • Hazard Note:Irritant
  • F:10
  • Acros Organics:3,4-Diethoxy-3-cyclobutene-1,2-dione, 98%(5231-87-8)

系列性分类


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