5-tert-butyl-3-isocyanatoisoxazole

Modify Date: 2025-08-26 17:16:10

5-tert-butyl-3-isocyanatoisoxazole Structure
5-tert-butyl-3-isocyanatoisoxazole structure
Common Name 5-tert-butyl-3-isocyanatoisoxazole
CAS Number 55809-53-5 Molecular Weight 166.177
Density 1.1±0.1 g/cm3 Boiling Point 221.4±20.0 °C at 760 mmHg
Molecular Formula C8H10N2O2 Melting Point N/A
MSDS N/A Flash Point 87.7±21.8 °C

 Names

Name 5-tert-butyl-3-isocyanato-1,2-oxazole
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.1±0.1 g/cm3
Boiling Point 221.4±20.0 °C at 760 mmHg
Molecular Formula C8H10N2O2
Molecular Weight 166.177
Flash Point 87.7±21.8 °C
Exact Mass 166.074234
PSA 55.46000
LogP 2.13
Vapour Pressure 0.1±0.4 mmHg at 25°C
Index of Refraction 1.520

 Safety Information

HS Code 2934999090

 Synthetic Route

~80%

5-tert-butyl-3-isocyanatoisoxazole Structure

5-tert-butyl-3-...

CAS#:55809-53-5

Literature: Bhagwat, Shripad; Chao, Qi; Grotzfeld, Robert M.; Patel, Hitesh K.; Sprankle, Kelly G. Patent: US2007/232604 A1, 2007 ; Location in patent: Page/Page column 38 ;

~%

5-tert-butyl-3-isocyanatoisoxazole Structure

5-tert-butyl-3-...

CAS#:55809-53-5

Literature: Bayer Pharmaceuticals Corp. Patent: EP1047418 B1, 2005 ; Location in patent: Page/Page column 42 ;

~85%

5-tert-butyl-3-isocyanatoisoxazole Structure

5-tert-butyl-3-...

CAS#:55809-53-5

Literature: AMBIT BIOSCIENCES CORPORATION Patent: WO2005/48948 A2, 2005 ; Location in patent: Page/Page column 156 ;

~%

5-tert-butyl-3-isocyanatoisoxazole Structure

5-tert-butyl-3-...

CAS#:55809-53-5

Literature: PPG Industries, Inc. Patent: US4268679 A1, 1981 ;

 Customs

HS Code 2934999090
Summary 2934999090. other heterocyclic compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

 Synonyms

5-(t-butyl)isoxazol-3-yl isocyanate
5-(1,1-dimethylethyl)isoxazol-3-yl isocyanate
5-TERT-BUTYL-3-ISOXAZOLYL ISOCYANATE
5-(t-butyl)-3-isocyanato isoxazole
5-t-butyl-3-isoxazole isocyanate
5-tert-Butyl-3-isocyanato-1,2-oxazole
Isoxazole,5-(1,1-dimethylethyl)-3-isocyanato
5-tert-butyl-3-isocyanatoisoxazole
5-t-butylisoxazole-3-isocyanate
3-Isocyanato-5-(2-methyl-2-propanyl)-1,2-oxazole
Isoxazole, 5-(1,1-dimethylethyl)-3-isocyanato-
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