5-(trichloromethyl)-4,5-dihydroisoxazol-5-ol

Modify Date: 2025-08-25 10:12:36

5-(trichloromethyl)-4,5-dihydroisoxazol-5-ol Structure
5-(trichloromethyl)-4,5-dihydroisoxazol-5-ol structure
Common Name 5-(trichloromethyl)-4,5-dihydroisoxazol-5-ol
CAS Number 34648-11-8 Molecular Weight 204.43900
Density N/A Boiling Point N/A
Molecular Formula C4H4Cl3NO2 Melting Point 138-143 °C
MSDS N/A Flash Point N/A

 Names

Name 5-(trichloromethyl)-4H-1,2-oxazol-5-ol
Synonym More Synonyms

 Chemical & Physical Properties

Melting Point 138-143 °C
Molecular Formula C4H4Cl3NO2
Molecular Weight 204.43900
Exact Mass 202.93100
PSA 41.82000
LogP 0.88690

 Safety Information

Hazard Codes C
Risk Phrases 36/37/38
HS Code 2934999090

 Synthetic Route

~78%

5-(trichloromethyl)-4,5-dihydroisoxazol-5-ol Structure

5-(trichloromet...

CAS#:34648-11-8

Literature: Martins, Marcos A.P; Beck, Paulo; Cunico, Wilson; Pereira, Claudio M.P; Sinhorin, Adilson P; Blanco, Rogerio F; Peres, Rodrigo; Bonacorso, Helio G; Zanatta, Nilo Tetrahedron Letters, 2002 , vol. 43, # 39 p. 7005 - 7008

~82%

5-(trichloromethyl)-4,5-dihydroisoxazol-5-ol Structure

5-(trichloromet...

CAS#:34648-11-8

Literature: Rosa, Fernanda A.; Machado, Pablo; Bonacorso, Helio G.; Zanatta, Nilo; Martins, Marcos A. P. Journal of Heterocyclic Chemistry, 2008 , vol. 45, # 3 p. 879 - 885

~%

5-(trichloromethyl)-4,5-dihydroisoxazol-5-ol Structure

5-(trichloromet...

CAS#:34648-11-8

Literature: Spiegler; Gotz Synthesis, 1986 , vol. NO. 1, p. 69 - 70

~%

5-(trichloromethyl)-4,5-dihydroisoxazol-5-ol Structure

5-(trichloromet...

CAS#:34648-11-8

Literature: Platoshkin,A.M. et al. Bulletin of the Academy of Sciences of the USSR, Division of Chemical Science (English Translation), 1971 , vol. 20, p. 1903 - 1907 Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, 1971 , vol. 20, p. 2018 - 2024

 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-isoxazolol,4,5-dihydro-5-(trichloromethyl)
5-hydroxy-5-trichloromethyl-4,5-dihydroisoxazole
5-trichloromethyl-5-hydroxy-4,5-dihydroisoxazole
5-(trichloromethyl)-4,5-dihydroisoxazol-5-ol
5-trichloromethyl-2-isoxazolin-5-ol
4,4,4-trichloro-3-oxo-butyraldehyde (Z)-oxime cyclo-tautomer
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