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Guanine

4,800.00

In the cosmetics industry, crystalline guanine is used as an additive to various products (e.g., shampoos), where it provides a pearly iridescent effect. It is also used in metallic paints and simulated pearls and plastics. It provides shimmering luster to eye shadow and nail polish.

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Description

Purity 99%
Packaging Details 1 KG
Grade Reagent Grade
Form Powder
Packaging Type as your required
Packaging Size as your required
Usage Industrial

CERTIFICATE OF ANALYSIS
PRODUCT NAME:Guanine

AS NO:73-40-5
FORMULA:C5H5N5O
MOLAR MASS:151.13 g/mol
APPEARNCE:White amorphous solid
DENSITY:2.200 g/cm3
MELTING POINT:360 DegreeC
BOILING POINT:SublimesC

INFORMATION OF GUANINE:one of the four main nucleobases found in the nucleic acids DNA and RNA, the others being adenine, cytosine, and thymine (uracil in RNA). In DNA, guanine is paired with cytosine. The guanine nucleoside is called guanosine.
With the formula C5H5N5O, guanine is a derivative of purine, consisting of a fused pyrimidine-imidazole ring system with conjugated double bonds. Being unsaturated, the bicyclic molecule is planar.
The first isolation of guanine was reported in 1844 by the German chemist Julius Bodo Unger (1819-1885), who obtained it from the excreta of sea birds, which is known as guano and which was used as a source of fertilizer; guanine was named in 1846.[3] Between 1882 and 1906, Fischer determined the structure and also showed that uric acid can be converted to guanine.
Guanine can be hydrolyzed with strong acid to glycine, ammonia, carbon dioxide, and carbon monoxide. First, guanine gets deaminated to become xanthine.[2] Guanine oxidizes more readily than adenine, the other purine-derivative base in DNA. Its high melting point of 350 DegreeC reflects the intermolecular hydrogen bonding between the oxo and amino groups in the molecules in the crystal. Because of this intermolecular bonding, guanine is relatively insoluble in water, but it is soluble in dilute acids and bases

 

 

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