Skip to Content
Merck

N4754

Nigrosin water soluble

Powder

Synonym(s):

Acid black 2

Sign In to View Organizational & Contract Pricing.

Select a Size


About This Item

CAS Number:
UNSPSC Code:
12171500
NACRES:
NA.47
Colour Index Number:
50420
MDL number:
Technical Service
Need help? Our team of experienced scientists is here for you.
Let Us Assist
Technical Service
Need help? Our team of experienced scientists is here for you.
Let Us Assist

Product Name

Nigrosin water soluble, For use as a biological stain

form

powder

solubility

water: 1 mg/mL, turbid

εmax

~250 at 575 nm in 50% ethanol

application(s)

diagnostic assay manufacturing
hematology
histology

storage temp.

room temp

Quality Level

Looking for similar products? Visit Product Comparison Guide

Application

Nigrosin has the following applications:
  • to stain live sperm
  • as a viable cell staining agent especially in stem cell biology
  • as a negative stain in place of India ink for spirochetes, bacteria, protozoa, and fungi
  • in Dorner′s spore stain.

General description

Nigrosin is an acidic dye used as a negative stain for visualization of the capsule in bacteriological material.

Storage Class

11 - Combustible Solids

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)


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

Broadband UV-Vis optical property measurement in layered turbid media.
Wang Q
SPIE Medical Imaging. International Society for Optics and Photonics, 2014 (2011)
Experiments in Microbiology, Plant Pathology and Biotechnology (2003)
Graff's Textbook of Routine Urinalysis and Body Fluids (2010)
Quanzeng Wang et al.
Biomedical optics express, 3(6), 1226-1240 (2012-06-29)
The ability to accurately measure layered biological tissue optical properties (OPs) may improve understanding of spectroscopic device performance and facilitate early cancer detection. Towards these goals, we have performed theoretical and experimental evaluations of an approach for broadband measurement of
Jesse Schallek et al.
Investigative ophthalmology & visual science, 52(3), 1325-1335 (2010-11-06)
To examine the extent to which neurovascular coupling contributes to stimulus-evoked intrinsic signals in the retina. The retinas of five adult cats were examined in vivo. Animals were anesthetized and paralyzed for imaging stability. The retinas were imaged through a

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