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Substance Name: Iodine I-131
RN: 10043-66-0
UNII: I5X6L61HUT
InChIKey: PNDPGZBMCMUPRI-HVTJNCQCSA-N

Note

  • Unstable isotopes of iodine that decay or disintegrate emitting radiation. I atoms with atomic weights 117-139, except I 127, are radioactive iodine isotopes. /Iodine Radioisotopes/

Molecular Formula

  • I

Molecular Weight

  • 262.0
 

Classification Codes

  • 2007 CERCLA Priority List, Rank: 132
  • 2011 CERCLA Priority List, Rank: 234
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Names and Synonyms

Name of Substance

  • Iodine I-131

Synonyms

  • 131I
  • I 131
  • I-131
  • Iodine 131
  • Iodine I 131
  • Iodine-131
  • UNII-I5X6L61HUT

Systematic Names

  • Iodine, isotope of mass 131
  • Iodine, isotope of mass 131, at.

Superlist Name

  • Iodine-131

Registry Numbers

CAS Registry Number

  • 10043-66-0

FDA UNII

  • I5X6L61HUT

Other Registry Number

  • 24267-56-9

System Generated Number

  • 0010043660

Structure Descriptors

InChI

1S/I2/c1-2/i1+4,2+4

InChIKey

PNDPGZBMCMUPRI-HVTJNCQCSA-N

Smiles

[131I][131I]