trans-Crotonic acid
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trans-Crotonic acid
structure -
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CAS No:
107-93-7
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Formula:
C4H6O2
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Chemical Name:
trans-Crotonic acid
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Synonyms:
2-Butenoic acid,(2E)-;Crotonic acid,(E)-;2-Butenoic acid,(E)-;(2E)-2-Butenoic acid;trans-Crotonic acid;(E)-Crotonic acid;trans-2-Butenoic acid;(E)-2-Butenoic acid;NSC 8751;(E)-Crotonic acid
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CAS No:
Characteristics
37.3
0.72
White to light yellow Crystalline Flakes
1.02
72 °C
184.7 °C
190 °F
1.449
H2O: 94 g/L (25 ºC)
Store below +30°C.
0.19 mm Hg ( 20 °C)
2.97 (vs air)
15.1%, 171°F
4.17(at 18 °C)
Safety Information
III
8
UN 2823 8/PG 3
3
21/22-34-50/53-36/37/38
26-36/37/39-45-61-37/39
GQ2900000
C,N,Xi
Separated from food and feedstuffs, bases, oxidants and reducing agents. Dry. Keep in the dark.
P280-P305 + P351 + P338 + P310
H318
trans-Crotonic acid Use and Manufacturing
Using crotonaldehyde as raw material, it can be prepared by oxidation with air or oxygen in the presence of a mixture of copper acetate-cobalt acetate as a catalyst. The technological process has continuous method and batch method. In addition, a small amount of crotonic acid can be obtained by dry distillation of wood, and it can also be prepared by condensation of acetaldehyde and malonic acid in the experiment.
Used to prepare various resins, bactericides, surface coatings, bactericides, plasticizers.
Drug Function and Efficacy
Not yet clear
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