CAS No. 69-89-6 2, 6-Dihydroxypurine 98% Pale-Yellow Powder
Grade
|
Chinese pharmacopoeia
|
Name
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Dihydroxypurine
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Colour
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Pale-yellow
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Appearance
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Powder
|
2,6-Dihydroxypurine, also called xanthine, is a compound formed by the fusion of a pyrimidine ring and an imidazole ring. It is a yellow flaky crystal, hardly soluble in water, alcohol, and easily soluble in hydroxide. Sodium is dissolved in solution. At pH6, there is maximum absorption at 267nm wavelength. There is no melting point for thermal decomposition. This product is soluble in water and acidic solution, slightly soluble in water and ethanol, insoluble in organic solvents.
Specificiation
Inspection Items
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Standard
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Results
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Appearance
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Pale-yellow
|
Conforms
|
Loss on drying
|
≤1%
|
0.51%
|
Residue ignition
|
≤0.2%
|
0.13%
|
Heavy metal
|
≤10ppm
|
Not Detected
|
Clear grade
|
Clear And Colorless
|
Conforms
|
Purity (HPLC)
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≥99%
|
99.12%
|
Assay
|
≥95%
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97.3%
|
Guanine
|
≤1%
|
0.7%
|
Function of
2,6-Dihydroxypurine
1. Excellent thickening effects even at low resin concentration in water and alcohol.
2.Thixotropy and high yield value in neutralized solution.
3.No stringy in solution, even at high viscosity.
4.High transparency in neutralized solution.
5.Excellent thickening effects over a wide pH range (pH 5 - 11)
Application of
2,6-Dihydroxypurine
2,6-Dihydroxypurine, also called xanthine, is a compound formed by the fusion of a pyrimidine ring and an imidazole ring. It is a yellow flaky crystal, hardly soluble in water, alcohol, and easily soluble in hydroxide. Sodium is dissolved in solution. At pH6, there is maximum absorption at 267nm wavelength. There is no melting point for thermal decomposition. This product is soluble in water and acidic solution, slightly soluble in water and ethanol, insoluble in organic solvents.
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Package :
X
anthine is packaged in drums, 25kg per barrel, or according to customer requirements.
Carton size :
40*45*60cm
Pallet Size :
1.2*1.2*1.8m
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