Hexanitrodiphenylamine

• 2,2,4,4,6,6 - hexanitrodiphenylamine
• Aniline, 2,4,6-trinitro -N-( 2,4,6- trinitrophenyl )
• Dipicrylamin
• Hexanitrodiphenylamine
• Yellow Emperor
• HNDPhA
• HNDP
• C. I. 10360

Yellow, explosive prisms

Fixed

1.64 g · cm -3

244 ° C decomposition

• Very poorly soluble in water (60 mg · l-1 at 20 ° C ), acetone, ethanol, and diethyl ether
• Soluble in alkalis and glacial acetic acid

Risk

> 500 mg · kg -1 ( LD50, rat, oral)

Template: Infobox chemical / molecular formula search available

Dipikrylamin (also aurantia or Yellow Emperor ) is a coal tar dye, which was formerly used for dyeing wool and silk and especially of leather. The brick-red powder colors gloriously yellow. Emil Kopp discovered in 1873 the dye. Sometimes the ammonium or sodium salt is referred to as the Dipikrylamins aurantia.

Production and representation

By condensation of 2,4- dinitrochlorobenzene and aniline is first wins the dinitrodiphenylamine, which is nitrided in a mixture of concentrated sulfuric acid and nitric acid to Dipikrylamin.

Properties

Dipikrylamin considered as an explosive. Important explosion indicators are:

• Explosion heat 4042 kJ · kg -1
• Detonation velocity: 7200 m · s- 1
• Normal gas volume: 913 l · kg -1
• Specific energy: 1098 kJ · kg -1
• Lead block expansion cm3/10 325 g
• Impact sensitivity of 7.4 N · m no reaction
• Friction sensitivity to 353 N pin load no reaction
• Steel sleeve test limit diameter 5 mm

Use

The compound was used in blends with trinitrotoluene and aluminum as underwater explosives (→ shooting wool 36).