Title: Dipicrylamine
CAS Registry Number: 131-73-7
CAS Name: 2,4,6-Trinitro-N-(2,4,6-trinitrophenyl)benzenamine
Additional Names: 2,4,6,2¢,4¢,6¢-hexanitrodiphenylamine
Molecular Formula: C12H5N7O12
Molecular Weight: 439.21
Percent Composition: C 32.82%, H 1.15%, N 22.32%, O 43.71%
Literature References: Ref: Winkel, Maas, Angew. Chem. 49, 827 (1936).
Properties: Yellow prisms. Has a tendency to explode. mp about 238° with dec. Insol in water, acetone, alcohol or ether. Sol in alkalies, glacial acetic acid.
Melting point: mp about 238° with dec
Use: Reagent for gravimetric determination of potassium.
Dipin Dipipanone Dipiproverine Dipivefrin Diploicin

Hexanitrodiphenylamine.png Hexanitrodiphenylamine-3D-balls.png
CAS number 131-73-7 YesY
PubChem 8576
Jmol-3D images Image 1
Molecular formula C12H5N7O12
Molar mass 439.21 g mol−1
Appearance Crystalline solid. Yellow to orange. As ordinarily manufactured, it is yellow brown.
Density 1.64 g/cm3 (pressed)
Melting point 469° to 473 °F (243° to 245 °C) with decomposition.
Solubility in water Soluble in acetone, warm glacial acetic acid, nitric acid, or aqueous alkalies except potassium hydroxide.
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Except where noted otherwise, data are given for materials in their standard state (at 25 °C (77 °F), 100 kPa)
Infobox references

Hexanitrodiphenylamine (abbreviated HND), is an explosive chemical compound with the formula C12H5N7O12. HND was used extensively by the Japanese during World War II but was discontinued due to its toxicity.