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Sodium Chromate (51Cr)



CAS registry number (Chemical Abstracts Service)


Chemical Formula


Molecular Weight


Therapeutic Category

Diagnostic agent: Blood volume

Chemical Name

Chromic acid, disodium salt

Foreign Names

  • Natrii Chromas (⁵¹Cr) (Latin)
  • Natriumchromat (⁵¹Cr) (German)
  • Chromate (⁵¹Cr) de sodium (French)
  • Cromato sodico (⁵¹Cr) (Spanish)

Generic Names

  • Sodium Chromate (⁵¹ Cr) Injection (OS: JAN)
  • Sodium Chromate Cr 51 (OS: USAN)
  • Natrii radiochromas (IS)
  • natrii radio-chromici [⁵¹], Iniectabile (IS)
  • chromate [⁵¹Cr] de sodium, Solution stérile de (PH: Ph. Franç. 11)
  • Natrii chromatis [⁵¹Cr] solutio sterilis (PH: Ph. Eur. 3)
  • Natrii Radiochromatis [⁵¹Cr] Injectio (PH: Ph. Int. 2)
  • Sodio cromato [⁵¹Cr] soluzione sterile (PH: F.U. IX)
  • Sodium Chromate [⁵¹Cr] Injection (PH: JP XVI)
  • Sodium Chromate Cr 51 (PH: USP 32)

Brand Names


ISInofficial Synonym
JANJapanese Accepted Name
OSOfficial Synonym
PHPharmacopoeia Name
Rec.INNRecommended International Nonproprietary Name (World Health Organization)
USANUnited States Adopted Name

Further information on drug naming conventions: International Nonproprietary Names.

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Further information

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