2,6-dimethylmorpholine

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Structural formula
Structural formula of 2,6-dimethylmorpholine
Formulas of cis - and trans -2,6-dimethylmorpholine
General
Surname 2,6-dimethylmorpholine
Molecular formula C 6 H 13 NO
Brief description

colorless to light brown liquid

External identifiers / databases
CAS number
  • 141-91-3
  • 6485-55-8 (cis)
  • 6485-45-6 (+ / - trans)
PubChem 110862
Wikidata Q22829153
properties
Molar mass 115.17 g mol −1
Physical state

liquid

density

0.935 g cm −3 (25 ° C)

Melting point

−85 ° C

boiling point

147 ° C

Vapor pressure

4.46 hPa (20 ° C)

solubility

soluble in water

Refractive index

1.446 (20 ° C)

safety instructions
GHS labeling of hazardous substances
02 - Highly / extremely flammable 05 - Corrosive 07 - Warning

danger

H and P phrases H: 226-302-312-314
P: 210-260-280-303 + 361 + 353-305 + 351 + 338-370 + 378
Toxicological data

1270 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 . Refractive index: Na-D line , 20 ° C

2,6-Dimethylmorpholine belongs to the group of morpholines . It is a colorless chemical compound that is liquid at room temperature .

Extraction and presentation

2,6-Dimethylmorpholine with a high proportion of the cis compound is produced by cyclizing diisopropanolamine (1,1'-iminobispropan-2-ol) in the presence of sulfuric acid.

properties

2,6-Dimethylmorpholine is a colorless to light brown liquid that is soluble in water.

use

2,6-Dimethylmorpholine is used as an intermediate in the production of other chemical compounds (for example tridemorph ). It is also used as a stabilizer for chlorinated solvents.

Individual evidence

  1. a b Data sheet 2,6-Dimethylmorpholine, cis + trans, 97% from AlfaAesar, accessed on April 22, 2017 ( PDF )(JavaScript required) .
  2. a b c d e f g h i data sheet 2,6-Dimethylmorpholine, 97% from Sigma-Aldrich , accessed on April 22, 2017 ( PDF ).
  3. a b Entry on 2,6-dimethylmorpholine in the GESTIS substance database of the IFA , accessed on January 8, 2020(JavaScript required) .
  4. google.com: Patent US4504363 - Preparation of cis-2,6-dimethylmorpholine - Google patent search , accessed April 22, 2017.
  5. G. Matolcsy, M. Nádasy, V. Andriska: Pesticide Chemistry . Elsevier, 1989, ISBN 978-0-08-087491-3 , pp. 443 ( limited preview in Google Book search).
  6. BASF: 2,6-Dimethylmorpholine , accessed April 22, 2017.
  7. ^ Robert A. Lewis: Hawley's Condensed Chemical Dictionary . John Wiley & Sons, 2016, ISBN 978-1-119-26784-3 , pp. 1498 ( limited preview in Google Book Search).