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    Sodium Pyrophosphate

    ACTIVE PHARMA INGREDIENTS

    FINISHED DOSAGE FORMULATIONS

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    2D Structure
    Also known as: Sodium pyrophosphate, 7722-88-5, Tspp, Tetrasodium diphosphate, Phosphotex, Diphosphoric acid, tetrasodium salt
    Molecular Formula
    Na4O7P2
    Molecular Weight
    265.90  g/mol
    InChI Key
    FQENQNTWSFEDLI-UHFFFAOYSA-J
    FDA UNII
    O352864B8Z
    1 2D Structure

    2D Structure

    2 Identification
    2.1 Computed Descriptors
    2.1.1 IUPAC Name
    tetrasodium;phosphonato phosphate
    2.1.2 InChI
    InChI=1S/4Na.H4O7P2/c;;;;1-8(2,3)7-9(4,5)6/h;;;;(H2,1,2,3)(H2,4,5,6)/q4*+1;/p-4
    2.1.3 InChI Key
    FQENQNTWSFEDLI-UHFFFAOYSA-J
    2.1.4 Canonical SMILES
    [O-]P(=O)([O-])OP(=O)([O-])[O-].[Na+].[Na+].[Na+].[Na+]
    2.2 Other Identifiers
    2.2.1 UNII
    O352864B8Z
    2.3 Synonyms
    2.3.1 MeSH Synonyms

    1. Anhydrous Sodium Pyrophosphate

    2. Disodium Pyrophosphate

    3. Sodium Diphosphate

    4. Sodium Pyrophosphate

    5. Tetrasodium Pyrophosphate, 32p2-labeled Cpd

    6. Tetrasodium Pyrophosphate, Decahydrate

    7. Trisodium Pyrophosphate

    2.3.2 Depositor-Supplied Synonyms

    1. Sodium Pyrophosphate

    2. 7722-88-5

    3. Tspp

    4. Tetrasodium Diphosphate

    5. Phosphotex

    6. Diphosphoric Acid, Tetrasodium Salt

    7. Sodium Diphosphate

    8. Victor Tspp

    9. Caswell No. 847

    10. Sodium Pyrophosphate [usan]

    11. Sodium Pyrophosphate Tetrabasic

    12. Natrium Pyrophosphat

    13. Pyrophosphoric Acid Tetrasodium Salt

    14. Sodium Diphosphate, Anhydrous

    15. Natrium Pyrophosphat [german]

    16. Sodium Phosphate (na4p2o7)

    17. Hsdb 854

    18. Mfcd00003513

    19. Na4p2o7

    20. Chebi:71240

    21. O352864b8z

    22. Sodium Pyrophosphate (usan)

    23. Sodium Pyrophosphate, Tetrabasic

    24. Tetranatriumpyrophosphat [german]

    25. Einecs 231-767-1

    26. Nsc 56751

    27. Epa Pesticide Chemical Code 076405

    28. Sodium Diphosphate Tetrabasic

    29. Tetrasodium Phosphonato Phosphate

    30. Unii-o352864b8z

    31. Tetrasodium Pyrophosphate, Anhydride

    32. Sodiumpyrophosphate

    33. Tetra Sodium Pyrophosphate

    34. Ec 231-767-1

    35. Dsstox_cid_22465

    36. Dsstox_rid_80032

    37. Dsstox_gsid_42465

    38. Diphosphoric Acid Sodium Salt

    39. Dtxsid9042465

    40. Sodium Pyrophosphate [ii]

    41. Sodium Diphosphate (na4(p2o7))

    42. Sodium Pyrophosphate [fcc]

    43. Tetrasodium Pyrophosphate Anhydrous

    44. Sodium Pyrophosphate [hsdb]

    45. Cs-b1771

    46. Sodium Pyrophosphate [vandf]

    47. Tox21_110033

    48. Sodium Pyrophosphate [mart.]

    49. Sodium Pyrophosphate [who-dd]

    50. Tetrasodium Pyrophosphate [mi]

    51. Akos015914004

    52. Akos024418778

    53. Diphosphoric Acid, Sodium Salt (1:4)

    54. Tetrasodium Pyrophosphate [inci]

    55. Ncgc00013687-01

    56. Cas-7722-88-5

    57. Ft-0689073

    58. D05873

    59. E75941

    60. Q418504

    61. 1004291-85-3

    2.4 Create Date
    2005-08-08
    3 Chemical and Physical Properties
    Molecular Weight 265.90 g/mol
    Molecular Formula Na4O7P2
    Hydrogen Bond Donor Count0
    Hydrogen Bond Acceptor Count7
    Rotatable Bond Count0
    Exact Mass265.87100346 g/mol
    Monoisotopic Mass265.87100346 g/mol
    Topological Polar Surface Area136 Ų
    Heavy Atom Count13
    Formal Charge0
    Complexity124
    Isotope Atom Count0
    Defined Atom Stereocenter Count0
    Undefined Atom Stereocenter Count0
    Defined Bond Stereocenter Count0
    Undefined Bond Stereocenter Count0
    Covalently Bonded Unit Count5
    4 Drug and Medication Information
    4.1 Minimum/Potential Fatal Human Dose

    3(?). 3= MODERATELY TOXIC: PROBABLE ORAL LETHAL DOSE (HUMAN) 0.5-5 G/KG, BETWEEN 1 OZ AND 1 PINT (OR 1 LB) FOR 70 KG PERSON (150 LB). ... SOME ANIMAL DATA SUGGEST THAT PYROPHOSPHATE IS CONSIDERABLY (AND UNACCOUNTABLY) MORE TOXIC THAN IMPLIED BY TOXICITY RATING OF 3.

    Gosselin, R.E., R.P. Smith, H.C. Hodge. Clinical Toxicology of Commercial Products. 5th ed. Baltimore: Williams and Wilkins, 1984., p. II-121

    5 Pharmacology and Biochemistry
    5.1 Metabolism/Metabolites

    Pyrophosphate is hydrolyzed to the orthophosphate in the gut.

    American Conference of Governmental Industrial Hygienists, Inc. Documentation of the Threshold Limit Values and Biological Exposure Indices. 6th ed. Volumes I, II, III. Cincinnati, OH: ACGIH, 1991., p. 1529

    5.2 Mechanism of Action

    ARSONIC ACID HERBICIDES ARE NOT GROWTH REGULATORS IN SENSE OF PLANT HORMONES. THEY ... ACT THROUGH ENZYME SYSTEMS TO INHIBIT GROWTH. THEY KILL ... SLOWLY; FIRST SYMPTOMS ARE ... CHLOROSIS, CESSATION OF GROWTH, & GRADUAL YELLOWING, THEN BROWNING FOLLOWED BY DEHYDRATION & DEATH. /ORGANOARSENICAL HERBICIDES/

    Kearney, P.C., and D. D. Kaufman (eds.) Herbicides: Chemistry, Degredation and Mode of Action. Volumes 1 and 2. 2nd ed. New York: Marcel Dekker, Inc., 1975., p. 763