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Isosulfan Blue

In the US, Isosulfan Blue (isosulfan blue systemic) is a member of the drug class lymphatic staining agents and is used to treat Diagnosis and Investigation.

US matches:



CAS registry number (Chemical Abstracts Service)


Chemical Formula


Molecular Weight


Therapeutic Category

Diagnostic agent

Chemical Names

[4-[α-[p-(Diethylamino)phenyl]-2,5-disulfobenzylidene]-2,5-cyclohexadien-1-ylidene]diethylammonium hydroxide, inner salt, sodium salt

Ethanaminium, N-[4-[[4-(diethylamino)phenyl](2,5-disulfophenyl)methylene]-2,5-cyclohexadien-1-ylidene]-N-ethyl-, hydroxide, inner salt, sodium salt

N-[4-[[4-(Diethylamino)phenyl](2,5-disulfophenyl)methylene]-2,5-cyclohexadien-1-ylidene]-N-ethyl-ethanaminiumhydroxide, inner salt, monosodium salt

Natrium 4-[bis(4-diethylaminophenyl)methylio]-3-sulfonatobenzolsulfonat

α-[4-(Diethylamino)phenyl]-α-[4-(diethyliminio)-2,5-cyclohexadienylidene]toluene-2,5-disulfonic acid innner salt

Sodium α-(4-Diethylaminophenyl)-α-(4-diethyliminiocyclohexa-2,5-dienylidene)toluene-2,5-disulfonate

Foreign Names

  • Isosulphanum coeruleum (Latin)
  • Isosulfanblau (German)

Generic Names

  • Isosulfan Blue (OS: USAN)
  • Sulfan Blue (OS: BAN)
  • CI 42045 (IS)
  • Disulphin Blau (IS)
  • P 1888 (IS: MCV)
  • P 4125 (IS)
  • Q 40 (IS)
  • Sulphan Blue (IS)
  • Sulphan blue 2,5-disulfophenyl isomer (IS)

Brand Names


BANBritish Approved Name
ISInofficial Synonym
OSOfficial Synonym
USANUnited States Adopted Name

Click for further information on drug naming conventions and International Nonproprietary Names.

Important Notice: The international database is in BETA release. This means it is still under development and may contain inaccuracies. It is not intended as a substitute for the expertise and judgement of your physician, pharmacist or other healthcare professional. It should not be construed to indicate that the use of any medication in any country is safe, appropriate or effective for you. Consult with your healthcare professional before taking any medication.