4,4'-oxydianiline

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Structural formula
Structural formula of 4,4′-oxydianiline
General
Surname 4,4'-oxydianiline
other names
  • 4,4'-diaminodiphenyl ether
  • Bis (p-aminophenyl) ether
  • ODA
  • Bis (4-aminophenyl) ether
  • 4,4′-DADPE
  • 4,4'-diaminobiphenyloxide
  • Oxybis (4-aminobenzene)
Molecular formula C 12 H 12 N 2 O
Brief description

light gray odorless solid

External identifiers / databases
CAS number 101-80-4
EC number 202-977-0
ECHA InfoCard 100.002.707
PubChem 7579
ChemSpider 7298
Wikidata Q3704503
properties
Molar mass 200.24 g mol −1
Physical state

firmly

solubility

practically insoluble in water

safety instructions
GHS hazard labeling from  Regulation (EC) No. 1272/2008 (CLP) , expanded if necessary
06 - Toxic or very toxic 08 - Dangerous to health 09 - Dangerous for the environment

danger

H and P phrases H: 301 + 311 + 331-317-340-350-361f-410
P: 201-273-302 + 352-304 + 340-308 + 310
Authorization procedure under REACH

particularly worrying : carcinogenic, toxic for reproduction ( CMR )

Toxicological data

725 mg kg −1 ( LD 50ratoral )

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

  1. 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) .
  2. 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 .
  3. Entry in the SVHC list of the European Chemicals Agency , accessed on October 18, 2015.
  4. a b Entry on BIS (4-AMINOPHENYL) ETHER in the Hazardous Substances Data Bank , accessed on March 1, 2015.
  5. Data sheet 4,4′-Oxydianiline, 99% from Sigma-Aldrich , accessed on March 1, 2015 ( PDF ).