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A stabilizer of explosives: Centralite ll

May 10，2023

Product Name: Centralite ll

Formula: C15H16N2O

Molecular weight: 240.3003

CAS Registry Number: 611-92-7

Chemical structure: C15H16N2O

Synonyms: Carbanilide, N,N'-dimethyl-; Centralit II; Centralite II; Centralite-2; Methyl centralite; N,N'-Dimethyl-N,N'-diphenylurea; N,N'-Dimethylcarbanilide; 1,3-Dimethyl-1,3-diphenylurea; Zentralit II; NSC 59781; USAF EK-1047; Zentralit.

Solubility: Soluble in acetone, ethanol and benzene.

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Uses:

Centralite ll is a gunshot residue also known as ethyl centralite. It is mainly used as a burning rate moderator and stabilizer for smokeless powder, and also a plasticizer for celluloid.

Smokeless powder deterrents:

All hydrocarbon-substituted symmetrical diphenyl urea compounds used as smokeless powder deterrents (or moderants) were called centralites after the laboratory. The preferred ethyl centralite became known as CentraliteⅠ and the original methyl centralite was identified as Centralite ll. Butyl centralite was also used as a celluloid plasticizer.

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