3-nitro-2-oxido-4,5-dihydro-1,2-oxazol-2-ium

Modify Date: 2025-11-26 15:04:54

3-nitro-2-oxido-4,5-dihydro-1,2-oxazol-2-ium Structure
3-nitro-2-oxido-4,5-dihydro-1,2-oxazol-2-ium structure
Common Name 3-nitro-2-oxido-4,5-dihydro-1,2-oxazol-2-ium
CAS Number 4122-45-6 Molecular Weight 132.07500
Density 1.52g/cm3 Boiling Point 293.7ºC at 760 mmHg
Molecular Formula C3H4N2O4 Melting Point N/A
MSDS N/A Flash Point 179.8ºC

 Names

Name 3-nitro-2-oxido-4,5-dihydro-1,2-oxazol-2-ium
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.52g/cm3
Boiling Point 293.7ºC at 760 mmHg
Molecular Formula C3H4N2O4
Molecular Weight 132.07500
Flash Point 179.8ºC
Exact Mass 132.01700
PSA 83.80000
Index of Refraction 1.534
InChIKey HNCSVNVXGSWPPY-UHFFFAOYSA-N
SMILES O=[N+]([O-])C1=[N+]([O-])OCC1

 Safety Information

HS Code 2934999090

 Synthetic Route

~98%

3-nitro-2-oxido-4,5-dihydro-1,2-oxazol-2-ium Structure

3-nitro-2-oxido...

CAS#:4122-45-6

Literature: Falck, J. R.; Yu, Jurong Tetrahedron Letters, 1992 , vol. 33, # 45 p. 6723 - 6726

~22%

3-nitro-2-oxido-4,5-dihydro-1,2-oxazol-2-ium Structure

3-nitro-2-oxido...

CAS#:4122-45-6

Literature: Budynina, Ekaterina M.; Averina, Elena B.; Ivanova, Olga A.; Yashin, Nikolai V.; Kuznetsova, Tamara S.; Zefirov, Nikolai S. Synthesis, 2004 , # 16 p. 2609 - 2610

~%

3-nitro-2-oxido-4,5-dihydro-1,2-oxazol-2-ium Structure

3-nitro-2-oxido...

CAS#:4122-45-6

Literature: Onishchenko,A.A. et al. Bulletin of the Academy of Sciences of the USSR, Division of Chemical Science (English Translation), 1971 , vol. 20, p. 1460 - 1462 Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, 1971 , vol. 20, # 7 p. 1560 - 1562

 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

3-nitro-4,5-dihydro-isoxazole 2-oxide
3-Nitroisoxalin-N-oxid (III)
3-Nitro-2-isoxazoline-2-oxide
3-Nitro-isoxazolin-N-oxid
4,5-Dihydro-3-nitroisoxazole-2-oxide
3-nitroisoxazoline N-oxide
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