70134-71-3

Basic information

• Product Name: 3,4-dibromo-1,2,5-oxadiazole 2-oxide
• Synonyms: Dibromofuroxan
• CAS NO: 70134-71-3
• Molecular Formula: C₂Br₂N₂O₂
• Molecular Weight: 243.8416
• Mol File: 70134-71-3.mol
• Article Data: 2

Chemical Properties

• Boiling Point: 301.6°C at 760 mmHg
• Flash Point: 136.2°C
• Density: 3.03g/cm³
• Vapor Pressure: 0.00186mmHg at 25°C
• Refractive Index: 1.776
• CAS DataBase Reference: 3,4-dibromo-1,2,5-oxadiazole 2-oxide(CAS DataBase Reference)
• NIST Chemistry Reference: 3,4-dibromo-1,2,5-oxadiazole 2-oxide(70134-71-3)
• EPA Substance Registry System: 3,4-dibromo-1,2,5-oxadiazole 2-oxide(70134-71-3)

Safety Data

• Hazardous Substances Data: 70134-71-3(Hazardous Substances Data)

Upstream product

• 78-82-0 Isobutyronitrile 
• 74213-24-4 N-dibromomethylidenehydroxylamine 
• 140-29-4 phenylacetonitrile 
• 100-47-0 benzonitrile 
• 590-17-0 cyanomethyl bromide 
• 51060-05-0 fulminic acid 
• 7732-18-5 water 
• 7726-95-6 bromine 
• 23326-27-4 Methyl 2-butynoate 
• 619-72-7 4-nitrobenzonitrile 
• 623-49-4 ethyl cyanoformate 
• 5500-21-0 cyclopropropanecarbonitrile 
• 107-14-2 chloroacetonitrile 

Downstream Products

• 2580-79-2 diaminoglyoxime 
• 7664-41-7 ammonia 
• 10035-10-6 hydrogen bromide 
• 7803-49-8 hydroxylamine 
• 144-62-7 oxalic acid 
• 4332-00-7 dianilineglyoxime 
• 4331-98-0 cyanogen di-N-oxide 
• 124-38-9 carbon dioxide 
• 201230-82-2 carbon monoxide 

Relevant articles and documents

An expedient synthesis of (±)-2-amino-3-(3-hydroxy-5-methylisoxazol-4-yl)propionic acid hydrobromide via a 3-bromoisoxazole intermediate

The excitatory, amino acid ± 2-amino-3-(3-hydroxy-5-methylisoxazol-4-yl)propionic acid hydrobromide was prepared in gram quantities in a 3.3% overall yield from methylbut 2-ynoate. The key step was the facile preparation of methyl 3-bromo-5-methylisoxazole-4-carboxylate.