4,5-dihydrooxazole

Modify Date: 2025-09-18 11:50:01

4,5-dihydrooxazole Structure
4,5-dihydrooxazole structure
 Common Name 4,5-dihydrooxazole
CAS Number 504-77-8 Molecular Weight 71.07790
Density 1.13g/cm3 Boiling Point 73.8ºC at 760mmHg
Molecular Formula C3H5NO Melting Point 168-172ºC
MSDS N/A Flash Point 5.2ºC

 Names

Name Oxazoline
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.13g/cm3
Boiling Point 73.8ºC at 760mmHg
Melting Point 168-172ºC
Molecular Formula C3H5NO
Molecular Weight 71.07790
Flash Point 5.2ºC
Exact Mass 71.03710
PSA 21.59000
InChIKey IMSODMZESSGVBE-UHFFFAOYSA-N
SMILES C1=NCCO1

 Safety Information

HS Code 2934999090

 Synthetic Route

N-(2-Hydroxyethyl)formamide structure

N-(2-Hydroxyeth...

CAS#:693-06-1

~68%

4,5-dihydrooxazole Structure

4,5-dihydrooxazole

CAS#:504-77-8

Literature: Smith, Forrest T.; Atigadda, Ram V. Journal of Heterocyclic Chemistry, 1991 , vol. 28, # 7 p. 1813 - 1816
Formamide,N-(2-chloroethyl)- structure

Formamide,N-(2-...

CAS#:24589-68-2

~%

4,5-dihydrooxazole Structure

4,5-dihydrooxazole

CAS#:504-77-8

Literature: Levine, Mindy; Kenesky, Craig S.; Zheng, Shengping; Quinn, Jordan; Breslow, Ronald Tetrahedron Letters, 2008 , vol. 49, # 40 p. 5746 - 5750
N/A structure

N/A

CAS#:119072-55-8

2-Aminoethanol structure

2-Aminoethanol

CAS#:141-43-5

~%

4,5-dihydrooxazole Structure

4,5-dihydrooxazole

CAS#:504-77-8

Literature: Saegusa,T.; Ito,Y. Synthesis, 1975 , p. 291 - 300

 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

4,5-dihydro-1,3-oxazol
4,5-dihydro-1,3-oxazole
4,5-Dihydro-oxazol
2-H-2-oxazoline
2-oxazoline
4,5-dihydrooxazole
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