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5128-28-9

Basic Information
CAS No.: 5128-28-9
Name: 4,6-DINITROBENZOFUROXANE
Article Data: 20
Molecular Structure:
Molecular Structure of 5128-28-9 (4,6-DINITROBENZOFUROXANE)
Formula: C6H2N4O6
Molecular Weight: 226.105
Synonyms: 4,6-DINITROBENZOFUROXANE;4,6-Dinitrobenzfuroxan;4,6-dinitro-benzofuraza 1-oxide
Density: 2.21g/cm3
Melting Point: 172°C
Boiling Point: 433.4°C at 760 mmHg
Flash Point: 215.9°C
Hazard Symbols: 3
Safety: A powerful, high explosive as sensitive as picric acid. Forms impact-, friction- or electric shock-sensitive explosive complexes with cysteine and nucleophiles (e.g., potassium hydrogen carbonate in water or methanol, potassium hydroxide in methanol, ammonia, hydroxylamine, hydrazine hydrate). Forms explosive adducts with furan, N-methylindole, and N-methylpyrrole. Forms adducts with ketones (e.g., acetone, cyclopentanone, cyclopentanedione, 2,4-pentanedione, 3-methyl-2,4-pentanedione) which can produce shock-sensitive, high explosive potassium salts. Upon decomposition it emits toxic fumes of NOx. See also EXPLOSIVES, HIGH.
PSA: 143.13000
LogP: 2.11910
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Chemistry

Molecular Structure of 4,6-Dinitrobenzofurazan-n-oxide (CAS NO.5128-28-9):

Empirical Formula: C6H2N4O
Molecular Weight: 226.1 
Surface Tension: 131.2 dyne/cm 
Density: 2.21 g/cm
Flash Point: 215.9 °C 
Enthalpy of Vaporization: 66.28 kJ/mol 
Boiling Point: 433.4 °C at 760 mmHg 
Vapour Pressure: 2.6E-07 mmHg at 25°C 

Safety Profile

A powerful, high explosive as sensitive as picric acid. Forms impact-, friction- or electric shock-sensitive explosive complexes with cysteine and nucleophiles (e.g., potassium hydrogen carbonate in water or methanol, potassium hydroxide in methanol, ammonia, hydroxylamine, hydrazine hydrate). Forms explosive adducts with furan, N-methylindole, and N-methylpyrrole. Forms adducts with ketones (e.g., acetone, cyclopentanone, cyclopentanedione, 2,4-pentanedione, 3-methyl-2,4-pentanedione) which can produce shock-sensitive, high explosive potassium salts. Upon decomposition it emits toxic fumes of NOx. See also EXPLOSIVES, HIGH.

Specification

 4,6-Dinitrobenzofurazan-n-oxide ,its CAS number is 5128-28-9,it can be called 2,1,3-benzoxadiazole, 4,6-dinitro-, 1-oxide ; 4,6-Dinitro-2,1,3-benzoxadiazole 1-oxide ; 4,6-dinitrobenzofuroxan ; Benzofurazan, 4,6-dinitro-, 1-oxide .