6,8-di(tert-butyl)-4-oxo-4h-chromene-2-carboxylic acid

Names

[ Name ]:
6,8-di(tert-butyl)-4-oxo-4h-chromene-2-carboxylic acid

[Synonym ]:
6,8-Di(tert-butyl)-4-oxo-4H-1-benzopyran-2-carboxylic acid
terbucromil
6,8-Di-t-butyl-4-oxo-4H-1-benzopyran-2-carbonsaeure
6,8-di-t-butyl-4-oxo-4H-1-benzopyran-2-carboxylic acid
6,8-di-tert-butyl-4-oxo-4H-chromene-2-carboxylic acid

Chemical & Physical Properties

[ Density]:
1.159g/cm3

[ Boiling Point ]:
402.8ºC at 760 mmHg

[ Melting Point ]:
229ºC

[ Molecular Formula ]:
C₁₈H₂₂O₄

[ Molecular Weight ]:
302.36500

[ Flash Point ]:
138.3ºC

[ Exact Mass ]:
302.15200

[ PSA ]:
67.51000

[ LogP ]:
4.08620

[ Index of Refraction ]:
1.546

Safety Information

[ HS Code ]:
2918300090

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%