4,4'-oxydianiline
Structural formula | |||||||||||||||||||
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General | |||||||||||||||||||
Surname | 4,4'-oxydianiline | ||||||||||||||||||
other names |
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Molecular formula | C 12 H 12 N 2 O | ||||||||||||||||||
Brief description |
light gray odorless solid |
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External identifiers / databases | |||||||||||||||||||
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properties | |||||||||||||||||||
Molar mass | 200.24 g mol −1 | ||||||||||||||||||
Physical state |
firmly |
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solubility |
practically insoluble in water |
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safety instructions | |||||||||||||||||||
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Authorization procedure under REACH |
particularly worrying : carcinogenic, toxic for reproduction ( CMR ) |
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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 . |
4,4'-Oxydianiline is a chemical compound from the group of ethers of aniline .
Extraction and presentation
4,4'-Oxydianiline can be obtained by reacting 4,4'-dinitrodiphenyl ether with tin and hydrochloric acid in the presence of ethanol .
properties
4,4'-Oxydianiline is a flammable, light gray, odorless solid that is practically insoluble in water. It decomposes when heated above 189–192 ° C.
use
4,4'-Oxydianiline is a flexible diamine and is used to tailor the properties of aerogels. It is widely used in the manufacture of polyimides and poly (ester-imide) s.
Individual evidence
- ↑ a b c d e f Entry on 4,4′-oxydianiline in the GESTIS substance database of the IFA , accessed on January 8, 2018(JavaScript required) .
- ↑ Entry on 4,4′-oxydianiline in the Classification and Labeling Inventory of the European Chemicals Agency (ECHA), accessed on August 1, 2016. Manufacturers or distributors can expand the harmonized classification and labeling .
- ↑ Entry in the SVHC list of the European Chemicals Agency , accessed on October 18, 2015.
- ↑ a b Entry on BIS (4-AMINOPHENYL) ETHER in the Hazardous Substances Data Bank , accessed on March 1, 2015.
- ↑ Data sheet 4,4′-Oxydianiline, 99% from Sigma-Aldrich , accessed on March 1, 2015 ( PDF ).