| Product Details | |
|---|---|
| Synonyms | 1,8-Dihydroxynaphthalene-3,6-disulfonic acid disodium salt; 4,5-Dihydroxynaphthalene-2,7-disulfonic acid disodium salt; Mordant Brown 7 Dihydrate; Chromogen C Dihydrate |
| Product Type | Chemical |
| Properties | |
| Formula | (HO)2C10H4(SO3Na)2 . 2H2O |
| MW | 364.3 . 36.0 |
| CAS | 5808-22-0 |
| Source/Host Chemicals | Synthetic. |
| Purity Chemicals | ≥99% (T) |
| Appearance | Off-white solid. |
| Solubility | Soluble in water. |
| Identity | Determined by 1H-NMR. |
| Declaration | Manufactured by Chemodex. |
| Other Product Data | Click here for Original Manufacturer Product Datasheet Our product description may differ slightly from the original manufacturers product datasheet. |
| InChi Key | QUEAKWJKJBFNEG-UHFFFAOYSA-L |
| Shipping and Handling | |
| Shipping | AMBIENT |
| Short Term Storage | +20°C |
| Long Term Storage | +20°C |
| Handling Advice | Protect from light and moisture. |
| Use/Stability | Stable for at least 2 years after receipt when stored at +20°C. |
| Documents | |
| MSDS | No |
| Product Specification Sheet | |
| Datasheet | ![](\"https://www.ebiomall.com/images/adipogen/download.png\") Download PDF |
Fluorogenic reagent for analytical the detection of Ag, ClO3-, Cr, Hg, NO2-, NO32-, Ti or CH2O (formaldehyde). Quantitative determination of formaldehyde is based on the specific formation of a red coloration (peaking at 580 nm wavelength) when chromotropic acid in 75% sulfuric acid reacts with formaldehyde. May be employed as a chromogenic reagent for the quantification of dipyrone in various pharmaceutical preparations.
Product References
(1) D. Letourneau & N. Krog; Plant Physiol. 27, 822 (1952) | (2) H.B. He, et al.; Talanta 38, 1159 (1991) | (3) B.-L. Poh, et al.; Tetrahedr. Lett. 30, 1005 (1989) | (4) B.K. Pal & K. Baksi; Mikrochim. Acta 108, 275 (1992) | (5) Z. Zhao, et al.; Microchem. J. 58, 1 (1998) | (6) L. Pezza, et al.; Anal. Sci. 16, 313 (2000) | (7) F. Gasparini, et al.; J. Braz. Chem. Soc. 19, 1531 (2008)
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