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Chemistry

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Also known as: 7440-54-2, Gd, Gadolinium atom, Gadolinium, elemental, Gadolinio, Gadolinium(4+)
Molecular Formula
Gd
Molecular Weight
157.2  g/mol
InChI Key
UIWYJDYFSGRHKR-UHFFFAOYSA-N
FDA UNII
AU0V1LM3JT

Gadolinium
An element of the rare earth family of metals. It has the atomic symbol Gd, atomic number 64, and atomic weight 157.25. Its oxide is used in the control rods of some nuclear reactors.
1 2D Structure

Gadolinium

2 Identification
2.1 Computed Descriptors
2.1.1 IUPAC Name
gadolinium
2.1.2 InChI
InChI=1S/Gd
2.1.3 InChI Key
UIWYJDYFSGRHKR-UHFFFAOYSA-N
2.1.4 Canonical SMILES
[Gd]
2.2 Other Identifiers
2.2.1 UNII
AU0V1LM3JT
2.3 Synonyms
2.3.1 Depositor-Supplied Synonyms

1. 7440-54-2

2. Gd

3. Gadolinium Atom

4. Gadolinium, Elemental

5. Gadolinio

6. Gadolinium(4+)

7. Einecs 231-162-2

8. Unii-au0v1lm3jt

9. Au0v1lm3jt

10. 64gd

11. Hsdb 7536

12. Mfcd00011022

13. Gadolinium Foil, 3n

14. Gadolinium Sputtering Target, 50.8mm Dia X 3.18mm Thick

15. Gadolinium Ingot

16. Gadolinium, Chips

17. Gd3

18. Gadolinium(4+) Ion

19. Gadolinium Ingot, 3n

20. Gadolinium(iv) Cation

21. Gadolinium Powder, 3n

22. Gadolinium [mi]

23. Gadolinium [hsdb]

24. Gadolinium [who-dd]

25. Ultra Thin Gadolinium Nanofoil

26. Gadolinium Powder, -200 Mesh

27. Dtxsid5037234

28. Chebi:33375

29. Chebi:37294

30. Gd(4+)

31. Hsdb 7537

32. Amy22262

33. C28h34n2o10

34. Akos024438065

35. C28-h34-n2-o10

36. Db12091

37. Gadolinium Rod, 19mm (0.75in) Dia

38. Hsd7537000

39. Gadolinium Rod, 12.7mm (0.5in) Dia

40. Gadolinium Chips, 99.9%, 3n (reo)

41. Gadolinium Foil, 99.9%, 3n (reo)

42. Gadolinium Rod, 6.35mm (0.25in) Dia

43. Ls-70965

44. Gadolinium Foil, 0.1mm (0.004in) Thick

45. Gadolinium Foil, 0.25mm (0.01in) Thick

46. Gadolinium Foil, 0.62mm (0.024in) Thick

47. Gadolinium Foil, 63mm X 10mm X 0.025mm

48. Gadolinium Foil, 63mm X 20mm X 0.025mm

49. Gadolinium Pieces, 20mm (0.79in) & Down

50. Q1832

51. Gadolinium Foil, 0.025mm (0.001in) Thick

52. Gadolinium Foil, 0.127mm (0.005in) Thick

53. Gadolinium Ingot/button, Ca. 50.8mm (2.0in) Dia

54. Gadolinium, Rod, 100mm, Diameter 3.0mm, Cast, 99%

55. Gadolinium, Rod, 25mm, Diameter 12.5mm, Cast, 99%

56. Gadolinium, Rod, 48mm, Diameter 3.0mm, Cast, 99%

57. Gadolinium, Rod, 50mm, Diameter 12.5mm, Cast, 99%

58. Gadolinium, Rod, 50mm, Diameter 6.35mm, Cast, 99%

59. Q27117101

60. Gadolinium Foil. 0.075mm (0.003in) Thick, Reacton?

61. Gadolinium, Rod, 100mm, Diameter 12.5mm, Cast, 99%

62. Gadolinium, Rod, 100mm, Diameter 6.35mm, Cast, 99%

63. Gadolinium Sputtering Target, 50.8mm Dia X 1.59mm Thick

64. Gadolinium Sputtering Target, 76.2mm Dia X 1.59mm Thick

65. Gadolinium Sputtering Target, 76.2mm Dia X 3.18mm Thick

66. Gadolinium, Wire Reel, 100mm, Diameter 0.5mm, Hard, 99.9%

67. Gadolinium, Wire Reel, 25mm, Diameter 0.5mm, Hard, 99.9%

68. Gadolinium, Wire Reel, 50mm, Diameter 0.5mm, Hard, 99.9%

69. Gadolinium, Foil, Thickness 0.1 Mm, Purity 99%, Size 50 X 50 Mm

70. Gadolinium, Foil, Thickness 0.1 Mm, Size 25 X 25 Mm, Purity 99%

71. Gadolinium, Foil, Thickness 0.5 Mm, Size 25 X 25 Mm, Purity 99%

72. Gadolinium, Foil, Thickness 0.5 Mm, Size 50 X 50 Mm, Purity 99%

73. Gadolinium, Foil, Thickness 2.0 Mm, Size 10 X 10 Mm, Purity 99%

74. Gadolinium, Foil, Thickness 2.0 Mm, Size 25 X 25 Mm, Purity 99%

75. Gadolinium, Wire, 1.0 Mm Diameter, Length 25 Mm, Purity 99.9%

76. Gadolinium, Foil, Thickness 0.005 Mm, Size 25 X 25 Mm, Purity 99%

77. Gadolinium, Foil, Thickness 0.01 Mm, Purity 99%, Size 25 X 25 Mm

78. Gadolinium, Foil, Thickness 0.025 Mm, Size 25 X 25 Mm, Purity 99%

79. Gadolinium, Foil, Thickness 0.025 Mm, Size 50 X 50 Mm, Purity 99%

80. Gadolinium, Foil, Thickness 0.05 Mm, Size 25 X 25 Mm, Purity 99%

81. Gadolinium, Foil, Thickness 0.05 Mm, Size 50 X 50 Mm, Purity 99%

82. Gadolinium, Foil, Thickness 0.25 Mm, Size 100 X 100 Mm, Purity 99%

83. Gadolinium, Foil, Thickness 0.25 Mm, Size 25 X 25 Mm, Purity 99%

84. Gadolinium, Foil, Thickness 0.25 Mm, Size 50 X 50 Mm, Purity 99%

85. Gadolinium, Lump, 25 Mm Max. Lump Size, Weight 100 G, Purity 99.9%

86. Gadolinium, Lump, 25 Mm Max. Lump Size, Weight 20 G, Purity 99.9%

87. Gadolinium, Lump, 25 Mm Max. Lump Size, Weight 50 G, Purity 99.9%

88. Gadolinium, Lump, 50 Mm Max. Lump Size, Weight 100 G, Purity 99.9%

89. Gadolinium, Powder, 500 Max. Part. Size (micron), Weight 10 G, Purity 99.9%

90. Gadolinium, Powder, 500 Max. Part. Size (micron), Weight 20 G, Purity 99.9%

2.4 Create Date
2004-09-16
3 Chemical and Physical Properties
Molecular Weight 157.2 g/mol
Molecular Formula Gd
Hydrogen Bond Donor Count0
Hydrogen Bond Acceptor Count0
Rotatable Bond Count0
Exact Mass g/mol
Monoisotopic Mass g/mol
Topological Polar Surface Area0
Heavy Atom Count1
Formal Charge0
Complexity0
Isotope Atom Count0
Defined Atom Stereocenter Count0
Undefined Atom Stereocenter Count0
Defined Bond Stereocenter Count0
Undefined Bond Stereocenter Count0
Covalently Bonded Unit Count1
4 Pharmacology and Biochemistry
4.1 Absorption, Distribution and Excretion

... Gadolinium-153 ((153)Gd)-labeled gadopentetate (Magnevist), gadoteridol (ProHance), gadoterate (Dotarem), and gadodiamide (Omniscan) were administered iv to mice (0.48 mmol/kg) and rats (0.1 mmol/kg). At various times up to 14 days posttreatment, the residual 153Gd was measured in selected tissues. The tissue distributions obtained were used to make intra- and interchelate distribution evaluations and comparisons regarding tissue clearance and any possible in vivo dissociation of the Gd chelates. .... Differences were found among the chelates studied relative to the amounts of residual 153Gd present in tissues known to sequester free Gd, particularly in liver and femur at 7 and 14 days after administration, in both mice and rats. The pattern of the 153Gd distribution suggested that the linear chelates, gadopentetate and gadodiamide, dissociated in vivo resulting in more 153Gd present in bone and liver at the longer residence times than in the subjects injected with the macrocyclic chelates, gadoteridol and gadoterate. The only excipient found to affect the distribution profile was calcium(DTPA-BMA); this excipient in formulated gadodiamide decreased the amounts of residual Gd measured in whole body, bone, and liver in mice compared with levels obtained when gadodiamide was injected alone. ...

PMID:7490190 Tweedle MF et al; Invest Radiol 30 (6): 372-80 (1995)


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