H2O: soluble 10 mg/mL, clear, blue to very deep blue
suitable for vitamin C determination
diagnostic assay manufacturing
food and beverages
Looking for similar products? Visit Product Comparison Guide
If available for a given product, the recommended re-test date or the expiration date can be found on the Certificate of Analysis.
The lot specific COA document can be found by entering the lot number above under the "Documents" section.
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.
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.
During quality control testing, Sigma Aldrich tests solubility at 10 mg/mL in water. Conn's Biological Stains, 10th Edition states that dichloroindophenol sodium salt is soluble up to 3% in water and up to 2% in ethanol.
Yes. Conn's Biological Stains indicates Dichloroindophenol sodium salt in acid is red and blue in alkali. The product is colorless when reduced.
Yes. Conn's Biological Stains indicates Dichloroindophenol sodium salt has been used as an electron receptor, for use in demonstrating NADPH diaphorase and to stain glutathione reductase electrophoresis gels.
Yes. Interfering substances are ferrous, stannous, and cuprous sulfite or thiosulfate ions, and SO2.
Our Analytical Department has run absorbance spectra on many lots of D1878. Using 0.1 M phosphate buffer, pH 8.3 as the solvent, absorbance maxima in the range of 600-605 nm and a mM extinction coefficient of 18.0-19.7 have been reported.
Yes. Please see: W. Horowitz ed. Official Methods of Analysis of the AOAC Washington D.C. , 777, (1970) and K. Hiromi et al., Anal. Biochem. 101, 421, (1980).
No. Unfortunately, we have not performed solution stability studies on this product.
Ask a Scientist here.