(E)-4-TERT-BUTOXY-4-OXOBUT-2-ENOIC ACID
Names
[ CAS No. ]:
135355-96-3
[ Name ]:
(E)-4-TERT-BUTOXY-4-OXOBUT-2-ENOIC ACID
[Synonym ]:
2-Butene-1,4-dithiol,(2E)
(E)-but-2-enedioic acid mono-tert-butyl ester
(E)-3-t-butoxycarbonyl-2-butenoic acid
fumaric acid tert-butyl ester
trans-1.4-Dimercapto-buten-(2)
1,4-dithiol-butene-2-ene
(E)-4-(tert-butoxy)-4-oxobut-2-enoic acid
(2E)-butenedioic acid mono-tert-butyl ester
trans-2-butene-1,4-dithiol
(E)-but-2-ene-1,4-dithiol
2-Butenedioic acid, mono(1,1-dimethylethyl) ester, (2E)-
(E)-4-(tert-butyloxy)-4-oxobut-2-enoic acid
But-2t-en-1,4-dithiol
2-butene-1,4-dithiol
(2E)-4-[(2-Methyl-2-propanyl)oxy]-4-oxo-2-butenoic acid
but-2t-ene-1,4-dithiol
Chemical & Physical Properties
[ Density]:
1.1±0.1 g/cm3
[ Boiling Point ]:
273.8±23.0 °C at 760 mmHg
[ Molecular Formula ]:
C8H12O4
[ Molecular Weight ]:
172.178
[ Flash Point ]:
106.3±16.1 °C
[ Exact Mass ]:
172.073563
[ PSA ]:
63.60000
[ LogP ]:
0.98
[ Vapour Pressure ]:
0.0±1.2 mmHg at 25°C
[ Index of Refraction ]:
1.470
Safety Information
[ HS Code ]:
2918990090
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%