ChemicalBook--->CAS DataBase List--->21651-12-7

21651-12-7

21651-12-7 Structure

21651-12-7 Structure
IdentificationBack Directory
[Name]

trans-2,4-Pentadienoicacid
[CAS]

21651-12-7
[Synonyms]

trans-1-Carboxybutadiene
2,4-Pentadienoic acid, (2E)-
(E)-1,3-Butadiene-1-carboxylic acid
[Molecular Formula]

C5H6O2
[MDL Number]

MFCD00014017
[MOL File]

21651-12-7.mol
[Molecular Weight]

98.1
Chemical PropertiesBack Directory
[Melting point ]

72℃
[Boiling point ]

215℃
[density ]

1.039
[Fp ]

121℃
[storage temp. ]

2-8°C
[pka]

4.47±0.10(Predicted)
Safety DataBack Directory
[Hazard Codes ]

T
[Risk Statements ]

25-34-43
[Safety Statements ]

26-36/37/39-45
[RIDADR ]

1759
[HazardClass ]

8
[PackingGroup ]

III
Hazard InformationBack Directory
[Chemical Properties]

Off-White to Pale Yellow Solid
[Definition]

ChEBI: Penta-2,4-dienoic acid is a pentadienoic acid with the double bonds at positions 2 and 4. It is a pentadienoic acid and an alpha,beta-unsaturated monocarboxylic acid. It is a conjugate acid of a penta-2,4-dienoate.
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