p -residine
Structural formula | |||||||||||||||||||
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General | |||||||||||||||||||
Surname | p -residine | ||||||||||||||||||
other names |
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Molecular formula | C 8 H 11 NO | ||||||||||||||||||
Brief description |
flammable, black solid |
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External identifiers / databases | |||||||||||||||||||
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properties | |||||||||||||||||||
Molar mass | 137.18 g mol −1 | ||||||||||||||||||
Physical state |
firmly |
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Melting point |
50-52 ° C |
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boiling point |
235 ° C |
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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 ( CMR ) |
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MAK |
Switzerland: 0.5 mg m −3 |
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As far as possible and customary, SI units are used. Unless otherwise noted, the data given apply to standard conditions . |
p -residine or 6- methoxy- m -toluidine is a chemical compound from the group of cresidines and anisidine derivatives .
Extraction and presentation
p -residin can be produced batchwise by catalytic hydrogenation of 3-nitro-4-methoxytoluene .
use
p -residin is used as an intermediate in the manufacture of dyes (as a coupling component for azo dyes ) and pigments. After reductive cleavage of azo groups, the substance must not be released from textiles or leather products that come into direct contact with human skin for a longer period of time (Appendix 1 of the Consumer Goods Ordinance ).
safety instructions
p -residin is classified as a category 2 carcinogen.
Individual evidence
- ↑ a b c d e f Entry on 6-methoxy-m-toluidine in the GESTIS substance database of the IFA , accessed on February 1, 2016(JavaScript required) .
- ↑ Entry on 6-methoxy-m-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 July 17, 2014.
- ↑ Swiss Accident Insurance Fund (Suva): Limit values - current MAK and BAT values (search for 120-71-8 or P-cresidin ), accessed on November 2, 2015.
Web links
- Main association of commercial trade associations: Procedure for the determination of p -residine
- TU-Chemnitz: TRK value for p -residine ( Memento from February 27, 2005 in the Internet Archive )