Xylidyl blue I

CHF 61.00
In stock
CDX-X0009-G0011 gCHF 61.00
CDX-X0009-G01010 gCHF 272.00
CDX-X0009-G02525 gCHF 543.00
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Product Details
Synonyms XB-I; Magonsulfonate; 4-Hydroxy-3-[2-hydroxy-3-(2,4-dimethylphenylaminocarbonyl)-1-naphthylazobenzenesulfonic acid sodium salt
Product Type Chemical


MW 513.5
CAS 14936-97-1
Source/Host Chemicals Synthetic
Appearance Dark violet crystalline powder.
Solubility Soluble in water (partly) or aqueous alkaline solutions.
Identity Determined by 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.

Smiles [Na+].CC1=CC=C(NC(=O)C2=CC3=CC=CC=C3C(\N=N\C3=CC(=CC=C3O)S([O-])(=O)=O)=C2O)C(C)=C1
Shipping and Handling
Shipping AMBIENT
Short Term Storage +20°C
Long Term Storage +20°C
Handling Advice Keep cool and dry.
Protect from light and moisture.
Use/Stability Stable for at least 2 years after receipt when stored at +20°C.
MSDS Download PDF
Product Specification Sheet
Datasheet Download PDF

Colorimetric reagent for Mg detection. The aqueous solution of XB-1 is red, and turns reddish-violet in the presence of Mg at pH 9 (maximum wavelength: 510 nm, molar absorptivity: 49,000, detection range 0.02-0.4 ppm).

Product References

(1) C.K. Mann, et al.; Anal. Chim. Acta. 16, 155 (1957) | (2) Y. Takubo, et al.; Rinsho Byori 31, 1244 (1983) | (3) D. Ratge, et al.; Clin. Chim. Acta 159, 197 (1986)

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