반응 #334543

ord-8385db6a427848048763553cfc703fd0

반응 방정식

O=P([O-])([O-])O.[Na+].[Na+]
disodium orthophosphate
NC(=O)C1=CN(C2OC(COP(=O)([O-])OP(=O)([O-])OCC3OC(n4cnc5c(N)ncnc54)C(OP(=O)([O-])[O-])C3O)C(O)C2O)C=CC1.[Na+].[Na+].[Na+].[Na+]
tetrasodium
O=P([O-])([O-])[O-].[Na+].[Na+].[Na+]
trisodium orthophosphate
O=S(=O)(O)O
sulfuric acid
→
O=P([O-])([O-])OP(=O)([O-])[O-].[Na+].[Na+].[Na+].[Na+]
tetrasodium pyrophosphate

반응물

O=P([O-])([O-])O.[Na+].[Na+]
disodium orthophosphate
NC(=O)C1=CN(C2OC(COP(=O)([O-])OP(=O)([O-])OCC3OC(n4cnc5c(N)ncnc54)C(OP(=O)([O-])[O-])C3O)C(O)C2O)C=CC1.[Na+].[Na+].[Na+].[Na+]
tetrasodium
O=P([O-])([O-])[O-].[Na+].[Na+].[Na+]
trisodium orthophosphate
O=S(=O)(O)O
sulfuric acid

시약

없음

반응 조건

상세 조건
See reaction.notes.procedure_details.

후처리

  1. 1
    기타is separated from the reaction mixture
  2. 2
    기타the disodium orthophosphate so separated
  3. 3
    온도is heated
  4. 4
    기타to btween 400° C. and 600° C.

실험 절차

Process as claimed in claim 13 for the production of tetrasodium pryophosphate, wherein trisodium orthophosphate is acidified with sulfuric acid, disodium orthophosphate is separated from the reaction mixture and the disodium orthophosphate so separated is heated to btween 400° C. and 600° C. to form tetrasodium pyrophosphate.

출처

DOI: 10.6084/m9.figshare.5104873.v1특허: US04707344uspto-grants-1987_11