4,4'-methylenedi o -toluidin
Structural formula | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
![]() |
|||||||||||||||||||
General | |||||||||||||||||||
Surname | 4,4'-methylenedi o -toluidin | ||||||||||||||||||
other names |
|
||||||||||||||||||
Molecular formula | C 15 H 18 N 2 | ||||||||||||||||||
Brief description |
pale yellow-gray to yellow-red solid |
||||||||||||||||||
External identifiers / databases | |||||||||||||||||||
|
|||||||||||||||||||
properties | |||||||||||||||||||
Molar mass | 226.32 g mol −1 | ||||||||||||||||||
Physical state |
firmly |
||||||||||||||||||
Melting point |
155 ° C |
||||||||||||||||||
boiling point |
230–235 ° C (10–11 mbar ) |
||||||||||||||||||
Vapor pressure |
16 mbar (180 ° C) |
||||||||||||||||||
solubility |
little in water (0.16 g l −1 at 23.7 ° C) |
||||||||||||||||||
safety instructions | |||||||||||||||||||
|
|||||||||||||||||||
Authorization procedure under REACH |
particularly worrying : carcinogenic ( CMR ) |
||||||||||||||||||
MAK |
Switzerland: 0.05 mg m −3 |
||||||||||||||||||
As far as possible and customary, SI units are used. Unless otherwise noted, the data given apply to standard conditions . |
4,4'-methylenedi o -toluidin is a chemical compound from the group of aromatic amino compounds .
properties
4,4'-methylenedi o -toluidin is a pale yellow gray to yellow-red solid which is slightly soluble in water.
use
4,4'-methylenedi o -toluidin is in research on high-performance polymers (as a monomer for polyimides used).
safety instructions
4,4'-methylenedi o -toluidin proved after oral intake in the rat and dog as a strong carcinogen.
Web links
- Carcinogenic Potency Database Project: 4,4′-Methylene-bis (2-methylaniline)
Individual evidence
- ↑ a b c d Entry on 4,4′-diamino-3,3 ′ ′ - dimethyldiphenylmethane at TCI Europe, accessed on June 18, 2017.
- ↑ a b c d e f Entry on 4,4′-methylenedi-o-toluidine in the GESTIS substance database of the IFA , accessed on February 1, 2016(JavaScript required) .
- ↑ Entry on 4,4′-methylenedi-o-toluidine in the Classification and Labeling Inventory of the European Chemicals Agency (ECHA), accessed on February 1, 2016. Manufacturers or distributors can expand the harmonized classification and labeling .
- ↑ Entry in the SVHC list of the European Chemicals Agency , accessed on August 20, 2014.
- ↑ Swiss Accident Insurance Fund (Suva): Limit values - current MAK and BAT values (search for 838-88-0 or 4,4'-methylenedi-o-toluidine ), accessed on November 2, 2015.
- ^ Johannes Karl Fink: High performance polymers ; ISBN 978-0-8155-1580-7 .
- ↑ TRK for 4,4'-Acetylendi- o -toluidin (3,3'-dimethyl-4,4'-diaminodiphenylmethane) ( Memento of 27 February 2005 at the Internet Archive )