Date published: 2026-6-4

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Gram′s Iodine (CAS 12298-68-9)

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Alternate Names:
Lugol′s iodine; Iodine and potassium iodide
CAS Number:
12298-68-9
Molecular Weight:
419.81
Molecular Formula:
I3K
For Research Use Only. Not Intended for Diagnostic or Therapeutic Use.
* Refer to Certificate of Analysis for lot specific data.

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Gram′s iodine solution functions as a mordant for Gram staining to differentiate Gram positive and Gram negative organisms.

Ordering Information

Product NameCatalog #UNITPriceQtyFAVORITES

Gram′s Iodine, 250 ml

sc-358803
250 ml
$47.00

Gram′s Iodine, 2.5 L

sc-358803A
2.5 L
$118.00