Water → Carbon Dioxide

HRID 963914Notes

Reaction equation

HRID 963914 reaction equation
[CH3:1][N+:2]1([O-])[CH2:7][CH2:6][O:5][CH2:4][CH2:3]1.[OH2:9]>>[CH3:1][N:2]1[CH2:7][CH2:6][O:5][CH2:4][CH2:3]1.[NH:2]1[CH2:7][CH2:6][O:5][CH2:4][CH2:3]1.[CH2:4]=[O:5].[C:6](=[O:5])=[O:9]

Participants

6

Reactant 2

HCID 962WaterHCID 82029Methyl morpholine oxide3×

Product 4

HCID 280Carbon DioxideHCID 712FormaldehydeHCID 79724-MethylmorpholineHCID 8083Morpholine

Procedure

Additionally, amine-oxides, and particularly NMMO, have a limited thermal stability, which varies depending on their structure. The monohydrate of NMMO melts at temperatures of approximately 72° C., and the water-free compound melts at 172° C. When the monohydrate is heated, strong discolourings will occur from a temperature of 120°/130° C. on. Such temperatures however are common in processes for the production of cellulose moulded bodies. From 175° C. on, strong exothermal reactions will occur, which may lead to explosions. During this reaction, NMMO is thermally degraded, producing particularly N-methyl-morpholine, morpholine, formaldehyde and CO2.

Workup

  1. custommelts at temperatures of approximately 72° C.
  2. customwill occur from a temperature of 120°/130° C.
  3. customFrom 175° C.

Sources & evidence

ORD record
ord-3a2afcb99b15455dad1cefcac609636d
Source dataset
uspto-grants-1998_06
Patent number
US05766530

Reaction notes

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