N , N ′ -diphenyl- p -phenylenediamine
Structural formula | |||||||||||||||||||
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General | |||||||||||||||||||
Surname | N , N ′ -diphenyl- p -phenylenediamine | ||||||||||||||||||
other names |
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Molecular formula | C 18 H 16 N 2 | ||||||||||||||||||
Brief description |
dark gray solid with a characteristic odor |
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External identifiers / databases | |||||||||||||||||||
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properties | |||||||||||||||||||
Molar mass | 260.34 g mol −1 | ||||||||||||||||||
Physical state |
firmly |
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density |
1.3 g cm −3 |
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Melting point |
143-145 ° C |
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boiling point |
220–225 ° C (1.33 hPa) |
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solubility |
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safety instructions | |||||||||||||||||||
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Toxicological data | |||||||||||||||||||
As far as possible and customary, SI units are used. Unless otherwise noted, the data given apply to standard conditions . |
N , N ′ -Diphenyl- p -phenylenediamine is a chemical compound from the aminobenzenes group .
Extraction and presentation
N , N ′ -Diphenyl- p -phenylenediamine can be obtained by condensation of hydroquinone or p -aminophenol with aniline .
properties
N , N ′ -Diphenyl- p -phenylenediamine is a flammable, difficult to ignite, crystalline, dark gray solid with a characteristic odor, which is practically insoluble in water.
use
N , N ′ -Diphenyl- p -phenylenediamine is used as a polymerisation inhibitor , antioxidant for rubber , petroleum and animal feed. It is also used as an intermediate in the manufacture of dyes, drugs and detergents .
Individual evidence
- ↑ a b c d e f g h i j Entry on N, N-diphenyl-p-phenylenediamine in the GESTIS substance database of the IFA , accessed on December 30, 2019(JavaScript required) .
- ↑ a b BG Chemie: Toxicological evaluation of N, N'-diphenyl-p-phenylenediamine
- ↑ Entry on N, N'-diphenyl-p-phenylenediamine in the Classification and Labeling Inventory of the European Chemicals Agency (ECHA), accessed on December 30, 2019. Manufacturers or distributors can expand the harmonized classification and labeling .
- ↑ a b Entry on P-PHENYLENEDIAMINE, N, N'-DIPHENYL- in the Hazardous Substances Data Bank , accessed on November 3, 2018.