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(CAS RN:110-91-8 Product Number:M0465)



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Product Number M0465

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Purity/Analysis Method >99.0%(GC)(T)
Storage Temperature
M.F. / M.W. C4H9NO=87.12
CAS RN 110-91-8
Related CAS RN
MDL Number MFCD00005972
Packaging and Container
  • Product Details
  • Safety & Regulations


Appearance Colorless to Almost colorless clear liquid
Purity(GC) min. 99.0 %
Purity(Neutralization titration) min. 99.0 %

Data of Reference

flp 32°C(lit.)
bp 129°C


Beilstein 27,5
Reaxys-RN 102549
PubChem SID 87572517
Merck Index(14) 6277
F&F 1,705
RTECS# QD6475000
EC Number 203-815-1


Signal Word Danger
Hazard Statements
  • H226
  • :Flammable liquid and vapour.
  • H302
  • :Harmful if swallowed.
  • H311+H331
  • :Toxic by inhalation and in contact with skin.
  • H314
  • :Causes severe skin burns and eye damage.
  • H341
  • :Suspected of causing genetic defects.
  • H370
  • :Causes damage to organs.
  • H372
  • :Causes damage to organs through prolonged or repeated exposure.
  • H412
  • :Harmful to aquatic life with long lasting effects.
Precautionary Statements
  • P260
  • :Do not breathe mist, vapours or spray.
  • P280
  • :Wear protective gloves, protective clothing, face protection.
  • P301+P330+P331+P310
  • :IF SWALLOWED: Rinse mouth. Do NOT induce vomiting. Immediately call a POISON CENTER or doctor.
  • P303+P361+P353+P310+P363
  • :IF ON SKIN (or hair): Take off immediately all contaminated clothing. Rinse skin with water or shower. Immediately call a POISON CENTER or doctor. Wash contaminated clothing before reuse.
  • P304+P340+P310
  • :IF INHALED: Remove person to fresh air and keep comfortable for breathing. Immediately call a POISON CENTER or doctor.
  • P305+P351+P338+P310
  • :IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. Immediately call a POISON CENTER or doctor.

Transport Information

UN Number 2054
Class 8/3
Packing Group I
HS Number 2934999090


Yasunami-Takase Azulene Synthesis1)

Typical Procedure:
To a solution of 3-(methoxycarbonyl)-2H-cyclohepta[b]furan-2-one (1 mmol) in absolute ethanol, butyraldehyde (3.5 mmol) and morpholine (0.8 mmol) are added. The mixture is refluxed for 8-10 h, then left at room temperature for 12 h under stirring, and finally ethanol is evaporated. The obtained crude material is isolated by flash column chromatography (petroleum ether / AcOEt = 50 : 1) to afford the desired azulene derivative (Y. 90%) as a dark blue oil.


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