2,4-Dichlorobenzaldehyde 2,4-二氯苯甲醛

CAS 874-42-0 MFCD00003305

化学结构图

874-42-0
SMILES: O=Cc1ccc(Cl)cc1Cl

化学属性

Mol. FormulaC7H4Cl2O
Mol. Weight175.01
Density1.4
Boiling Point233°C at 760 mmHg
Melting Point64-69 °C
Flash Point100.2°C
TSCAYes
Solubility<0.1 G/100 ML AT 24 ºC
Stability对光敏感; 对空气敏感
Appearance 2,4-二氯苯甲醛为白色固体,m.p.69~73℃,b.p.233℃,难溶于水,易溶于醇、醚、酮、乙酸和苯等有机溶剂。

别名和识别编码

Chemical Name2,4-Dichlorobenzaldehyde
Synonym 2,4-Dichlorobenzaldehyde {LY} 2,4-Dichlorobenzaldehyde {} {LY} 2,4-Dichlorobenzaldehyde {} {} {LY} 2,4-Dichlorobenzaldehyde {} {} {} {LY} 2,4-Dichlorobenzaldehyde {} {} {} {} {LY} 2,4-Dichlorobenzaldehyde {} {} {} {} {} {LY} 2,4-Dichlorobenzaldehyde {} {} {} {} {} {} {LY} 2,4-Dichlorobenzaldehyde {} {} {} {} {} {} {} {LY} 2,4-Dichlorobenzaldehyde {} {} {} {} {} {} {} {} {LY} 2,4-Dichlorobenzaldehyde {} {} {} {} {} {} {} {} {} {LY} 2,4-Dichlorobenzaldehyde {} {} {} {} {} {} {} {} {} {} {LY} 2,4-Dichlorobenzaldehyde {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {LY} 2,4-Dichlorobenzaldehyde {} {} {} {} {} {} {} {} {} {} {} {} { {} {} {} {} {} {} {} {} {} {} {} {} {LY} 2,4-Dichlorobenzaldehyde {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {LY} 2,4-Dichlorobenzaldehyde {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {LY} 2,4-Dichlorobenzaldehyde {} {} {} {} {} {} {} {} {} {} {
CAS Number874-42-0
EC Number212-861-1
Beilstein Registry Number471601
MDL NumberMFCD00003305
PubChem Substance ID13404
Alfabeta NameDICHLOROBENZALDEHYDE 24-,
Reaxys-RN471601
Chemical Name Translation2,4-二氯苯甲醛
LabNetwork Molecule IDLN00181255
InChIInChI=1S/C7H4Cl2O/c8-6-2-1-5(4-10)7(9)3-6/h1-4H
Canonical SMILESO=CC1=CC=C(Cl)C=C1Cl
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分类

  • {Chemicalbook} 农药中间体: 杀菌剂中间体: 三唑类杀菌剂
  • {uni_hamburg} no charge; carbocycle; aromatic; 6RingOnly; 6ring; aldehyde; 1fragment
  • {SNA} Aldehydes, Building Blocks, C7, Carbonyl Compounds, Chemical Synthesis, Organic Building Blocks

产品应用

  • 染料和制药中间体。有机合成。

相关文献及参考

  • Short: EINECS
  • Short: III/20b
  • Beilstein:7,236

安全信息

Signal word Danger
GHS Symbol
WGK Germany2
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;
  • 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;
  • S37/39 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);
  • S61 Avoid release to the environment. Refer to special instructions/safety data sheet 避免释放到环境中,参考特别指示/安全收据说明书;
Risk Statements
  • R34 Causes burns 会导致灼伤
  • R36/37/38 Irritating to eyes, respiratory system and skin 对眼睛、呼吸系统和皮肤有刺激性
  • R51/53
Precautionary statements
  • P260 Do not breathe dust/fume/gas/mist/vapours/spray. 不要吸入粉尘/烟/气体/烟雾/蒸汽/喷雾。
  • 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。
  • P273 Avoid release to the environment. 避免释放到环境中。
  • 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。
  • P301+P330+P331+P310
  • P303+P361+P353+P310+P363
  • P304+P340
  • P304+P340+P310
  • P305+P351+P338
  • P305+P351+P338+P310
  • P310 Immediately call a POISON CENTER or doctor/physician. 立即呼救解毒中心或医生/医师。
  • 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。
  • P391 Collect spillage. Hazardous to the aquatic environment 收集对水环境有危害的泄漏物。
  • P405 Store locked up. 上锁保管。
  • P501 Dispose of contents/container to..… 处理内容物/容器.....
Hazard statements
  • H314 Causes severe skin burns and eye damage 导致严重的皮肤灼伤和眼睛损伤
  • H303 May be harmfully swallowed 吞食可能有害
Personal Protective Equipment Eyeshields, Faceshields, full-face particle respirator type N100 (US), Gloves, respirator cartridge type N100 (US), type P1 (EN143) respirator filter, type P3 (EN 143) respirator cartridges
Packing GroupII
UN Number 1759 3261 UN 3261 8/PG 2
Storage condition 2-8°C, stored under nitrogen {LY} 2-8°C, stored under nitrogen Air Sensitive {} {LY} 2-8°C, stored under nitrogen {} {} {LY} 2-8°C, stored under nitrogen {} {} {} {LY} 2-8°C, stored under nitrogen {} {} {} {} {LY} 2-8°C, stored under nitrogen {} {} {} {} {} {LY} 2-8°C, stored under nitrogen {} {} {} {} {} {} {LY} 2-8°C, stored under nitrogen {} {} {} {} {} {} {} {LY} 2-8°C, stored under nitrogen {} {} {} {} {} {} {} {} {LY} 2-8°C, stored under nitrogen {} {} {} {} {} {} {} {} {} { {} {} {} {} {} {} {} {} {} {LY} 2-8°C, stored under nitrogen {} {} {} {} {} {} {} {} {} {} {LY} 2-8°C, stored under nitrogen {} {} {} {} {} {} {} {} {} {} {} {LY} 2-8°C, stored under nitrogen {} {} {} {} {} {} {} {} {} {} {} {} {LY} 2-8°C, stored under nitrogen {} {} {} {} {} {} {} {} {} {} {} {} {} {LY} 2-8°C, stored under nitrogen {} {} {} {} {} {} {} {} {} {} {} {} {} {} {LY} 2-8°C, stored under nitrogen {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {LY} 2-8°C, stored under ni
Hazard Codes 8 C,N
Warnings IRRITANT
Hazard Class8

其他信息

  • MSDS 信息:2,4-Dichlorobenzaldehyde(874-42-0).msds
  • 用途四:染料和制药中间体。有机合成。
  • Alfa Aesar:2,4-二氯苯甲醛,98% 2,4-Dichlorobenzaldehyde, 98%(874-42-0)
  • MOL 文件:874-42-0.mol
  • 敏感性:Air Sensitive
  • 上游原料:氯 --> 乙酰丙酮 --> 2,4-二氯甲苯 --> 金属氧化物 --> 2,4-二氯氯苄 --> 2,4-二氯亚苄基二氯
  • 方法二:在碘或锑存在的条件下,由苯甲醛氯化而得。
  • 海关编码:29130000
  • Acros Organics:2,4-二氯苯甲醛 2,4-Dichlorobenzaldehyde, 98%(874-42-0)
  • 下游产品:烯唑醇 --> 苄氯三唑醇 --> 2,4-二氯-5-硝基苯甲醛
  • 方法一:其制备方法是用2,4-二氯甲苯在光照下侧链氯化得到的2,4-二氯亚苄基二氯进行水解,得到2,4-二氯苯甲醛。 将2,4-二氯甲苯和催化剂PCl 3 (用量约为2,4-二氯甲苯质量的1%)加到氯化反应器中,加热至120℃,在光照条件下通入氯气进行反应,当取样经GC分析2,4-二氯甲苯的转化率≥99%时,即为氯化反应终点,得到氯化产品,2,4-二氯氯苄0.62%,2,4-二氯亚苄基二氯85.18%,α,α,α-三氯-2,4-二氯甲苯13.83%。2,4-二氯亚苄基二氯收率达87.1%。将2,4-二氯亚苄基二氯粗品和催化剂金属氧化物一并加入水解釜中,加热至100℃,滴加入适量水进行水解反应,反应约3.5h取样经GC分析,2,4二氯亚苄基二氯的转化率>;99%即为水解反应终点,静置数小时分出水层,油层物用10%Na CO 洗涤中和至碱性,将水解得到醛和酸分开,醛粗品经蒸馏得2,4-二氯苯甲醛。 目前合成2,4-二氯苯甲醛的新工艺采用戊二酮法,即戊二酮在DME和POCl 3 存在下进行环合,得到2,4-二氯苯甲醛,一步法工艺收率65%~75%,但尚需进一步研究进行工业化。
  • 用途三:作染料中间体。该品在亚硫酸氢钠作用下可制得苯甲醛-2,4-二磺酸[88-39-1],苯甲醛-2,4-二磺酸是一种染料中间体,用于合成活性深蓝K-FGR及酸性湖蓝A,苯甲醛-2,4-二磺酸也可由甲苯经磺化、氧化而制得。2,4-二氯苯甲醛还用于合成烯唑醇,是一种取代粉锈宁的新型农药。
  • 用途二:2,4-二氯苯甲醛是杀菌剂烯唑醇的中间体。
  • 图谱信息:2,4-二氯苯甲醛(874-42-0)红外图谱(IR2) 2,4-二氯苯甲醛(874-42-0)红外图谱(IR3) 2,4-二氯苯甲醛(874-42-0)核磁图( 13 CNMR) 2,4-二氯苯甲醛(874-42-0)红外图谱(IR1) 2,4-二氯苯甲醛(874-42-0)质谱(MS) 2,4-二氯苯甲醛(874-42-0)Raman光谱 2,4-二氯苯甲醛(874-42-0)核磁图( 1 HNMR)
  • 2,4-二氯苯甲醛价格(试剂级):更新日期 产品编号 产品名称 包装 价格 2011/08/23 30055426 2,4-二氯苯甲醛 100g 52元 2011/08/23 K3525001 2.4-二氯苯甲醛 ≥97% 100g 228.15元 2011/04/16 D0330 2,4-二氯苯甲醛 2,4-Dichlorobenzaldehyde 25G 206元
  • Hazard Note:Corrosive
  • 用途一:用作农药、染料中间体,是合成杀菌剂烯唑醇的重要中间体
  • TCI Shanghai:2,4-二氯苯甲醛 2,4-Dichlorobenzaldehyde,>;95.0%(GC)(874-42-0)
  • Sigma Aldrich:874-42-0(sigmaaldrich)
  • 遇高锰酸钾氧化为2,4-二氯苯甲酸。易溶于甲醇、乙醚、苯和丙酮,不溶于水。有腐蚀性。

系列性分类


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