6,8-di(tert-butyl)-4-oxo-4h-chromene-2-carboxylic acid
Names
[ CAS No. ]:
37456-21-6
[ 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%