trans-3-(4-oxo-4H-1-benzopyran-3-yl)acrylic acid
Names
[ CAS No. ]:
42059-58-5
[ Name ]:
trans-3-(4-oxo-4H-1-benzopyran-3-yl)acrylic acid
[Synonym ]:
rarechem al bk 0223
Chemical & Physical Properties
[ Density]:
1.484g/cm3
[ Boiling Point ]:
367.7ºC at 760 mmHg
[ Molecular Formula ]:
C12H8O4
[ Molecular Weight ]:
216.19000
[ Flash Point ]:
145.7ºC
[ Exact Mass ]:
216.04200
[ PSA ]:
67.51000
[ LogP ]:
1.89080
[ Index of Refraction ]:
1.712
Safety Information
[ HS Code ]:
2918300090
Synthetic Route
Precursor & DownStream
Precursor
DownStream
Customs
[ HS Code ]: 2918300090
[ Summary ]:
2918300090 other carboxylic acids with aldehyde or ketone function but without other oxygen function, their anhydrides, halides, peroxides, peroxyacids and their derivatives。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:6.5%。General tariff:30.0%