4-tert-Butoxycarbonylbenzoic acid

Names

[ CAS No. ]:
20576-82-3

[ Name ]:
4-tert-Butoxycarbonylbenzoic acid

[Synonym ]:
terephthalic acid-mono-t-butyl ester
1,4-Benzenedicarboxylic acid, mono(1,1-dimethylethyl) ester
tert-Butyl 4-carboxybenzoate
4-(tert-Butoxycarbonyl)benzoic acid
4-{[(2-Methyl-2-propanyl)oxy]carbonyl}benzoic acid

Chemical & Physical Properties

[ Density]:
1.2±0.1 g/cm3

[ Boiling Point ]:
351.8±25.0 °C at 760 mmHg

[ Melting Point ]:
209-212(dec.)ºC

[ Molecular Formula ]:
C₁₂H₁₄O₄

[ Molecular Weight ]:
222.237

[ Flash Point ]:
132.8±16.7 °C

[ Exact Mass ]:
222.089203

[ PSA ]:
63.60000

[ LogP ]:
3.53

[ Vapour Pressure ]:
0.0±0.8 mmHg at 25°C

[ Index of Refraction ]:
1.533

Safety Information

[ Hazard Codes ]:
Xi

[ HS Code ]:
2918990090

Synthetic Route

Click to get detail synthetic route

Precursor & DownStream

Precursor

DownStream

Customs

[ HS Code ]: 2918990090

[ Summary ]:
2918990090. other carboxylic acids with additional oxygen function and their anhydrides, halides, peroxides and peroxyacids; their halogenated, sulphonated, nitrated or nitrosated derivatives. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:30.0%