2,4-Dimethylthiazole 2,4-二甲基噻唑

CAS 541-58-2 MFCD00014509

化学结构图

541-58-2
SMILES: Cc1csc(C)n1

化学属性

Mol. FormulaC5H7NS
Mol. Weight113.18
Boiling Point153.4°C at 760 mmHg
Density1.056
Refractive index1.5070 to 1.5110
Flash Point43°C
SolubilitySlightly soluble in water
TSCAYes
Stability对湿度敏感
Melting PointN/A

别名和识别编码

Chemical Name2,4-Dimethylthiazole
CAS Number541-58-2
Alfabeta NameDIMETHYLTHIAZOLE 24-,
MDL NumberMFCD00014509
Synonym 2,4-Dimethylthiazole {LY} 2,4-Dimethylthiazole {} {LY} 2,4-Dimethylthiazole {} {} {LY} 2,4-Dimethylthiazole {} {} {} {LY} 2,4-Dimethylthiazole {} {} {} {} {LY} 2,4-Dimethylthiazole {} {} {} {} {} {LY} 2,4-Dimethylthiazole {} {} {} {} {} {} {LY} 2,4-Dimethylthiazole {} {} {} {} {} {} {} {LY} 2,4-Dimethylthiazole {} {} {} {} {} {} {} {} {LY} 2,4-Dimethylthiazole {} {} {} {} {} {} {} {} {} {LY} 2,4-Dimethylthiazole {} {} {} {} {} {} {} {} {} {} { {} {} {} {} {} {} {} {} {} {} {LY} 2,4-Dimethylthiazole {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} { {} {} {} {} {} {} {} {} {} {} {} {LY} 2,4-Dimethylthiazole {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {LY} 2,4-Dimethylthiazole {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {LY} 2,4-Dimethylthiazole {} {} {} {} {} {} {} {} {} {} {} {} {} {} { {} {} {} {} {} {} {} {} {} {} {} {} {} {} {LY} 2,4-Dimethylthiazole {} {} {} {} {} {} {} {} {}
EC Number208-786-9
Beilstein Registry Number106414
PubChem Substance ID10934
Reaxys-RN106414
Chemical Name Translation2,4-二甲基噻唑
Wiswesser Line NotationT5N CSJ B1 E1
LabNetwork Molecule IDLN00115355
InChIInChI=1S/C5H7NS/c1-4-3-7-5(2)6-4/h3H,1-2H3
Canonical SMILESC1=C(N=C(C)S1)C
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分类

  • {uni_hamburg} no charge; sulfur heterocycle; nitrogen heterocycle; aromatic; 5ring; 1fragment
  • {SNA} Alphabetical Listings, C-D, Flavors and Fragrances
  • {SNA} Alphabetical Listings, C-D, Certified Food Grade Products, Flavors and Fragrances

相关文献及参考

  • Short: II/27B
  • Undergoes lithiation at the 2-methyl group. For use in a synthesis of aldehydes, see: Tetrahedron Lett., 4709 (1971).
  • Short: III/38B

安全信息

Warnings IRRITANT
Signal word Warning
GHS Symbol
WGK Germany3
Safety Statements
  • S16 Keep away from sources of ignition - No smoking 远离火源,禁止吸烟;
  • 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;
  • S37/39 Wear suitable gloves and eye/face protection 穿戴适当的手套和眼睛/面保护;
Risk Statements
  • R10 Flammable 易燃
  • R36/37/38 Irritating to eyes, respiratory system and skin 对眼睛、呼吸系统和皮肤有刺激性
Precautionary statements
  • P210 Keep away from heat/sparks/open flames/hot surfaces. — No smoking. 远离热源/火花/明火/热的表面。——禁止吸烟。
  • P240 Ground/bond container and receiving equipment. 与地面接触/连接集装箱和接受设备。
  • 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。
  • 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+P352+P332+P313+P362+P364
  • P305+P351+P338
  • P305+P351+P338+P337+P313
  • 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
  • P370+P378
  • P501 Dispose of contents/container to..… 处理内容物/容器.....
Hazard statements
  • H226 Flammable liquid and vapour 易燃液体和蒸气
  • 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
Personal Protective Equipment Eyeshields, Faceshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter
RTECSXJ4375000
Packing GroupIII
UN Number 1993
Hazard Codes 3
Hazard Class3
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 {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {}
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Intraperitoneal
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 250 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   NTIS** National Technical Information Service.  (Springfield, VA 22161)
   Formerly U.S. Clearinghouse for Scientific & Technical Information.
   Volume(issue)/page/year: AD691-490

其他信息

  • 上游原料:五硫化二磷 --> 乙酰胺 --> 氯丙酮 --> 无水苯 --> 氯化丙酮
  • 下游产品:2,4,5-三甲基噻唑
  • 检测方法:GC
  • 2,4-二甲基噻唑价格(试剂级):更新日期 产品编号 产品名称 包装 价格 2014/06/02 D1220 2,4-二甲基噻唑 2,4-Dimethylthiazole 5ML 409元 2014/06/02 D1220 2,4-二甲基噻唑 2,4-Dimethylthiazole 25ML 1210元 2010/06/21 116860050 2,4-二甲基噻唑 2,4-Dimethylthiazole 98% 5 GR 1069元
  • 用途一:用作日用、食用香精
  • 方法一:由乙酰胺与五硫化二磷反应,再与氯化丙酮缩合而得。将无水苯加入反应瓶中,再加入乙酰胺和粉状五硫化二磷的混合物,在水浴上加热。再加上氯代丙酮的苯溶液,加完回流30分钟。然后将水加入反应混合物中,即分层,弃去上层微红色液体,取下层液加氢氧化钠使呈碱性,再加乙醚提取。提取液用无水硫酸钠干燥。过滤,常压蒸馏,收集140-150℃馏分,再将收集物重新蒸馏,收集143-145℃馏分即为2,4-二甲基噻唑。
  • MOL 文件:541-58-2.mol
  • 用途二:用作有机合成中间体。
  • MSDS 信息:2,4-Dimethylthiazole(541-58-2).msds
  • Alfa Aesar:2,4-二甲基噻唑,99% 2,4-Dimethylthiazole, 99%(541-58-2)
  • TCI Shanghai:2,4-二甲基噻唑 2,4-Dimethylthiazole,>;99.0%(GC)(541-58-2)
  • Acros Organics:2,4-Dimethylthiazole, 98%(541-58-2)
  • Sigma Aldrich:541-58-2(sigmaaldrich)

系列性分类


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