Skip to Content
MilliporeSigma

62650

Sigma-Aldrich

Lugol solution

suitable for microscopy

Synonym(s):

Iodine/Potassium iodide solution

Slide 1 of 1
Sign Into View Organizational & Contract Pricing

Select a Size

100 ML
$26.40
1 L
$88.50

$26.40


Available to ship onNovember 11, 2025Details


Ships Every 4 weeks

About This Item

MDL number:
UNSPSC Code:
12171500
PubChem Substance ID:
NACRES:
NA.47

Skip To


Technical Service
Need help? Our team of experienced scientists is here for you.
Let Us Assist

technique(s)

microbe id | staining: suitable

Quality Level

density

1.007 g/mL at 20 °C

suitability

suitable for microscopy
protozoa

antibiotic activity spectrum

Gram-negative bacteria
Gram-positive bacteria

SMILES string

[K+].[I-].II

InChI

1S/I2.HI.K/c1-2;;/h;1H;/q;;+1/p-1

InChI key

XUEKKCJEQVGHQZ-UHFFFAOYSA-M

Looking for similar products? Visit Product Comparison Guide

Compare Similar Items

View Full Comparison

Show Differences

1 of 4

This Item
32922L61461.09261
grade

for microscopy (Bact., Bot.)

grade

-

grade

-

grade

-

technique(s)

microbe id | staining: suitable

technique(s)

-

technique(s)

-

technique(s)

microbe id | staining: suitable

suitability

protozoa

suitability

-

suitability

-

suitability

-

density

1.007 g/mL at 20 °C

density

1.006 g/cm3 at 20 °C

density

-

density

1.01 g/cm3 at 20 °C

Quality Level

200

Quality Level

200

Quality Level

200

Quality Level

400

antibiotic activity spectrum

Gram-negative bacteria

antibiotic activity spectrum

-

antibiotic activity spectrum

-

antibiotic activity spectrum

-

General description

Lugol iodine solution is an effective preservative for the marine bacteria.[1]
Lugol solution is a disinfectant, which is used to detect starch in organic compounds. It is used in dental procedures, diagnosis of cervical cell alterations and Schiller´s test.[2] Lugol solution is used in panendoscopic examination of squamous cell carcinoma of the esophagus.[3] It is used as a mordant in Gram staining.[4]

Application

Lugol solution has been used as a staining component to detect starch in plants.[5][6][7] It has also been used to saturate thyroid in biodistribution study.[8]

Storage Class

12 - Non Combustible Liquids

wgk_germany

WGK 2

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves


Choose from one of the most recent versions:

Certificates of Analysis (COA)

Lot/Batch Number

Don't see the Right Version?

If you require a particular version, you can look up a specific certificate by the Lot or Batch number.

Already Own This Product?

Find documentation for the products that you have recently purchased in the Document Library.

Visit the Document Library

Cryo-focused ion beam sample preparation for imaging vitreous cells by cryo-electron tomography
Schaffer M, et al.
Bio-protocol, 5.17, e1575-e1575 (2015)
Evaluation of the presence of arabinogalactan proteins and pectins during Quercus suber male gametogenesis
Costa M, et al.
Annals of Botany, 115(1), 81-92 (2014)
The Chemical Mechanism of Bacterial Behavior: I. Behavior Toward Dyes-Factors Controlling the Gram Reaction 1
Stearn EW and Stearn AE
Journal of Bacteriology, 9(5), 463-463 (1924)
A J Pomroy
Applied and environmental microbiology, 47(5), 1191-1192 (1984-05-01)
Lugol iodine solution was compared with glutaraldehyde as a preservative for marine bacteria. Direct counts with the fluorochrome 4',6-diamidino-2-phenylindole show no significant difference between the preservatives, but the use of Lugol solution has several advantages over glutaraldehyde, especially in the
Yeşim Erbil et al.
The Journal of clinical endocrinology and metabolism, 92(6), 2182-2189 (2007-03-29)
Although some endocrine surgeons administer Lugol solution to decrease thyroid gland vascularity, there is still not an agreement on its effectiveness. The aims of this clinical trial are to evaluate thyroid blood flow and microvessel density in patients with Graves'

Questions

1–6 of 6 Questions  
  1. 欧州薬局方の試験に使用可能な試薬であるかご教授ください。 使用不可の場合は、貴社のルゴール溶液で、使用可能な別の商品がございましたら、ご案内をお願いいたします。

    1 answer
    1. This product is not a certified primary or secondary European Pharmacopoeia reference standard and is intended for Research Use Only. A review of various popular agencies - USP, BP, JP, NIST – reveals that currently, there are no primary standards for this material available. Please see the link below to review all of the current Lugol Solution product options. The end user would have to determine suitability based on the specific application or protocol:
      https://www.sigmaaldrich.com/US/en/search/lugol?focus=products&page=1&perpage=30&sort=relevance&term=lugol&type=product

      Helpful?

  2. Is this product (62650) acidic Lugol's solution, meaning does this product contain acid? 

    1 answer
    1. This product does not contain acid. Modification with acetic acid will have to be done by the user.

      Helpful?

  3. Can Lugol Solution (62650) be used as a contrast-enhancing agent?

    1 answer
    1. Lugol Solution (62650) is commonly associated with use in various Gram Stain Procedures. It can also be used for identifying parasites in feces or other biological specimens. Additionally, it is sometimes used for the detection of cervical cancer, but more concentrated solutions are typically used for this purpose.

      Helpful?

  4. What are the concentrations of iodine and potassium iodide in the liter of Lugol solution (product 62650)?

    1 answer
    1. The concentrations of iodine and potassium iodide in the liter of Lugol solution (product 62650) fall within the range of 0.33% - 0.37% for iodine and 0.67% - 0.71% for potassium iodide. The exact composition of each lot is considered proprietary.

      Helpful?

  5. Does this lugol's solution contain 0.35% iodine or 35% iodine?

    1 answer
    1. This Lugol's solution contains 0.35% iodine.

      Helpful?

  6. What is the concentration? Is it a ready-to-use solution?

    1 answer
    1. This product is formulated to contain approximately 0.35% Iodine and 0.70% Potassium Iodide. Product L6146, a similar Lugol solution, is a bit higher at 0.37% Iodine and 0.74% Potassium Iodide,

      Helpful?

Reviews

No rating value

Active Filters

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Contact Technical Service