Ethyl 4-oxobut-2-enoate

Ethyl 4-oxobut-2-enoate

Ethyl 4-oxobut-2-enoate is an intermediate of Minodronic Acid. Indications of Minodronic acid hydrate: Osteoporosis (Minodronate intermediate, the product is used in the treatment of osteoporosis)
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Product Details

Chemical Name

Ethyl 4-oxobut-2-enoate


Ethyl fumaraldehydate; 
  (E)-Ethyl 4-oxobut-2-enoate
  (2E)-4-Oxo-2-butenoic Acid Ethyl Ester; 
  Fumaraldehydic Acid Ethyl Ester; 
  (2E)-4-Oxobut-2-enoic Acid Ethyl Ester; 
  (E)-Ethyl 4-Oxo-2-butenoate; 
  Ethyl (2E)-4-Oxobut-2-enoate; 
  Ethyl Fumaraldehydate; 
  Ethyl trans-4-Oxo-2-butenoate;



Molecular Formula


Molecular Weight


Safety information of

trans-4-oxy-2-butenoic acid ethyl ester

Ethyl Fumaraldehydate Acute toxicity:

Oral LD50 25-200 mg / kg (rat)

Main irritant effects: On the skin: Causes corrosive effects on the skin and mucous membranes

Irritating to skin and mucous membranes. Above the eyes: strong corrosive effects.

Stimulus effects

Sensitization: May cause sensitization through skin contact.

This substance may be hazardous to the environment, and special attention should be given to water bodies.

Risk Statement (Europe): R25; R34; R43

Safety Statement (Europe): S23-S36 / 37 / 39-S45

UN No .: UN 2927

Packing class: III

Customs code: 2918300090


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