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CAS No.: | 603-45-2 |
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Name: | Rosolic acid |
Article Data: | 42 |
Molecular Structure: | |
Formula: | C19H14O3 |
Molecular Weight: | 290.318 |
Synonyms: | 2,5-Cyclohexadien-1-one,4-[bis(p-hydroxyphenyl)methylene]- (7CI,8CI);Aurin (6CI);4,4'-Dihydroxyfuchsone;4-(p,p'-Dihydroxybenzhydrylidene)-2,5-cyclohexadien-1-one;4-[Bis(p-hydroxyphenyl)methylene]-2,5-cyclohexadien-1-one;Aurin 555;Aurine;C.I. 43800;Corallin;Corallin Spirit Soluble;NSC 7805;Pararosolic acid;Rosalic acid;Spirit Aurine;p-Rosolic acid; |
EINECS: | 210-041-8 |
Density: | 1.315 g/cm3 |
Melting Point: | 309°C (decompose) |
Boiling Point: | 543 °C at 760 mmHg |
Flash Point: | 296.2 °C |
Solubility: | Soluble in alcohol, sodium hydroxide, potassium hydroxide and strong acids. Insoluble in water. |
Appearance: | red crystals or powder |
Hazard Symbols: | Xi |
Risk Codes: | 36/37/38 |
Safety: | 26-36 |
PSA: | 57.53000 |
LogP: | 3.59480 |
Conditions | Yield |
---|---|
With hydrogen fluoride | A 31% B 69% |
tetrachloromethane
2-(trifluoromethoxy)phenol
A
1,2-bis-trifluoromethoxybenzene
B
aurin
Conditions | Yield |
---|---|
With hydrogen fluoride | A 48% B 45% |
tetrachloromethane
2-monochlorophenol
A
o-chloro-α,α,α-trifluoromethoxybenzene
B
aurin
Conditions | Yield |
---|---|
With hydrogen fluoride | A 35% B 47% |
Conditions | Yield |
---|---|
With hydrogen fluoride; tantalum pentachloride | 31% |
Conditions | Yield |
---|---|
With hydrogen fluoride; tantalum pentachloride at 140℃; for 4h; Cooling with ice; | 25% |
Conditions | Yield |
---|---|
With hydrogen fluoride; tantalum pentachloride | 20% |
Conditions | Yield |
---|---|
With hydrogen fluoride; tantalum pentachloride | 20% |
1,2-bis-trifluoromethoxybenzene
aurin
Conditions | Yield |
---|---|
With hydrogen fluoride; tantalum pentachloride | 15% |
tetrachloromethane
2-Phenoxyphenol
A
4-hydroxy-9H-xanthen-9-one
B
aurin
Conditions | Yield |
---|---|
With hydrogen fluoride | A 10% B 7% |
Conditions | Yield |
---|---|
at 170℃; analoge Reaktionen finden mit Kalium-o-kresolat und Kalium-m-kresolat statt; | |
at 170 - 190℃; |