D9564 Sigma-Aldrich

DAPI, dilactate

≥98% (HPLC)

Synonym: 4′,6-Diamidino-2-phenyindole, dilactate



Related Categories Cell Biology, D, Hematology and Histology, Stains & Dyes, A to Z, Stains and Dyes More...
Quality Level   PREMIUM
assay   ≥98% (HPLC)
solubility   H2O: soluble20 mg/mL
storage temp.   2-8°C


Frequently Asked Questions

Frequently Asked Questions are available for this Product.

Biochem/physiol Actions

A high sensitivity dye used to detect single nucleic acid molecules. DAPI has been shown to detect a single DNA molecule in solution, and to detect femtograms of DNA in single cells and chloroplasts.


DAPI, dilactate has been used for the nuclear staining in cells.

Price and Availability

Tissue Diagnostics

All labs need water

Biomedical Applications
Safety & Documentation

Safety Information

NONH for all modes of transport
WGK Germany 

Frequently Asked Questions

Which document(s) contains shelf-life or expiration date information for a given product?
If available for a given product, the recommended re-test date or the expiration date can be found on the Certificate of Analysis. These documents are located on the product detail page under Useful Links & Tools. Click on the following link to search for a Certificate of Analysis. Please click the following link to see the details on our Product Dating Information.
How do I get lot-specific information or a Certificate of Analysis?
A Certificate of Analysis is available by lot number and can be obtained through our Advanced Search Option:
How do I find price and availability?
There are several ways to find pricing and availability for our products.  Once you log onto our website, you will find the price and availability displayed on the product detail page. You can contact any of our Customer Sales and Service offices to receive a quote.  USA customers:  1-800-325-3010 or view local office numbers. 
Which filter sets can be used to visualize the fluorophore produced by Product D9564, DAPI, dilactate (DAPI-DNA)?
One such filter set is the Zeiss Filter Set 01 (ex=359 nm, em=461 nm), information about which is posted at this web page:
Isn't the hydrochloride salt form of DAPI a more sensitive detector of DNA than Product D9564, DAPI, dilactate (DAPI-DNA)?
The dilactate salt has as much sensitivity in detection as the dihydrochloride salt, which we also offer as Product No. D9542.
Can Product D9564, DAPI dilactate (DAPI-DNA), be used as a vital stain?
As we note in the Product Information Sheet for the Dihydrochloride salt of DAPI, Product No. D9542, DAPI can be used as a vital dye to stain mature pollen grains, but we have tested it as a vital stain in other cell types.
What is the Department of Transportation shipping information for this product?
Transportation information can be found in Section 14 of the product's (M)SDS. To access the shipping information for this material, use the link on the product detail page for the product, or search here. 
My question is not addressed here, how can I contact Technical Service for assistance?
Use the option to the right to "Ask a Question" by email of a Technical Service Scientist.
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