Melamine

Melamine
(an important nitrogen heterocyclic material of organic chemical industry )

Alias: 1,3,5-Triazine-2,4,6-triamine; 2,4,6-Triamino-1,3,5-triazine; 2,4,6-Triamino-s-triazine
Molecular formula:C3N6H6 C3N3(NH2)3
Molecular weight:126.12

Physical properties: White crystalline powder, innoxious, flavorless.
Relative density: 1570kg/m³
Melting point: It can be decomposed in 354¡æ under ordinary pressure.
Sublimation temperature: 300¡æ
Dissolvability: It can be dissolved in carbinol, formaldehyde, acetic acid, hot glycol, glycerin, pyridine; it is slightly dissolved in water, ethanol; it can't be dissolved in aether, benzene, and carbon tetrachloride. Its water solution presents alkalescence.

GradePremium gradesContent(sublimation)≥%99.8Moisture(%)≤0.1Ash content(%)≤0.03Color (Pt-Co) degree ≤20Kaolin turbidity degree ≤20PH7.5-9.5AppearanceWhite powderMolecular formulaC3N6H6Density700-900kg/ m³Melting point (oC)354

Chemical properties:Melamine presents alkalescence, can react with various acidums to generate melamine salt. In strong acid or strong alkali liquor, melamine will hydrolyze---amido group will be slowly replaced by hydroxyl, thus generate ammeline, Cyanuric Acid and Ammelide. It can react with aldehydes to produce addition compounds. Among them, the reaction of melamine and formalin is the most important part.
Packaging: Net weight 25kg, 500kg, and 1,000kg in polypropylene woven bag and inner low-pressure PE plastic bag. Also we can provide other type packaging according to customer's requirement.
Storage: Kept in shady and ventilative places. Don't be stored or transported together with acid or oxidizer.
The application state of melamine
Melamine is a semi-finished product in organic chemical industry with even structure and vast applications; it is mainly used as the material to produce melamine formaldehyde (MF) colophony. Owning the abilities of fire-resistant, water-resistant, hot-resistant, age-preventing, electric arc resistant, bearing chemical corruption, perfect insulation capability, gloss grade, and machinery intention,  and good thermal-setting capacity, it is widely used in wood, plastic, dope, paper-making, textile industry, leather, electric, and medicine, etc.
The actual applications are:
1, decorative veneer plywood.
2, coating
3, moulding powder
4, paper
5, Mixed with other materials, melamine formaldehyde (MF) resin also can be used to produce fabric finished agent, tannage agent of leather, glazing agent, waterproof agent, rubber adhesive, high efficient water reducing agent of cement (naphthalene as material), and nitridizing agent of steel.

 

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