Xylene Blue / acid blue 1 / Blue acid 1

English name：Xylene blue；Acid Blue 1；Azure Blue VX；Brilliant Acid Blue；Carmine Blue V；Patent Blue V；C.I. 42045
Other names:  Blue acid 1

CAS：116-95-0
C27H32N2O6S2=544.68

Grade：BR

Content：≥95.0%
Maximum absorption wavelength：637～641(λ/nm)
Absorbance test：≥0.80(λmax 4mg/L)

Loss on drying: ≤ 10.0%

Physicochemical properties: bright blue-green or dark blue powder. It is easily soluble in water and blue in ethanol. In case of concentrated sulfuric acid, it turns dark yellow and turns golden yellow after dilution. The aqueous solution becomes blue after adding sodium hydroxide and turns purple after boiling

Purpose: biochemical research. Biological stain.

Saving: RT