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
信息真实价格透明
资金保障
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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
GHS Symbol
- 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;
- 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
- 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.....
- 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
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)