PYX Purification technique

Details PYX Purification technique PYX Purification technique

1984-06-13

1986-01-14

Lechert, Jr., Stephen J.

Explosive and thermic compositions or charges

Structure or arrangement of component or product

Particles of diverse size or shape

149 2, 149 92, 149111, 546307, 546334, C06B 4502

Patent

active

045644055

ABSTRACT:
The formation of two crystalline forms of 2,6-bis (picrylamino)-3,5 dinitropyridine is accomplished by a purification method wherein needle-shaped crystals of 2,6-bis (picrylamino)-3,5 dinitropyridine are dissolved in dimethyl sulfoxide to form an adduct compound. Dissociating the adduct compound forms different crystalline structures of 2,6-bis (picrylamino)-3,5 dinitropyridine having improved properties.

REFERENCES:
patent: 3678061 (1982-07-01), Coburn
patent: 4361450 (1982-11-01), Munson
patent: 4428292 (1984-01-01), Riggs
patent: 4497251 (1985-02-01), Rucker
patent: 4519313 (1985-05-01), Leidel

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