melamine

CAS£º[108-78-1]
Chemical formula£ºC3N6H6
Molecular weight:126.12
Properties:White crystal power,it can dissolve in glycerine,pyridine,heat ethylene glycol,acetic acid and formaldehyde.It is difficult soluble in the ether,benzene and tetrachloromethane.It will sublimate when heated,heated slongly it will decomposite.
Usage:Mainly used to produce melamine-formaldehyde resin.It also could be used for decorating plates,amino-plastic,coherent agent,intensifier of paper currency,textile assistant,water-saving agent of cement and leather tanning agent,etc.
Packing and transportation:packed with plastic bag coated with plastic woven bag,25kg or 1000kgs per bag,It should be kept dry,shored in cool and well ventilated place,avoiding to be stored and transported with acid and oxidant togehter.
Quality standard:GB/T9567-1997

Item
Index
Superior-grade
First-grade
Up to standard
Appearance
White power without any foreign impurity
Purity£¬%£¬ ¡İ
99.8
99.5
99.0
Moisture£¬%£¬¡Ü
0.1
0.15
0.2
Ash content,%£¬ ¡Ü
0.03
0.05
0.10
Formaldehyde dissolve test
All dissolve in 10 minutes
Turbidity(kaolin turbidity)£¬ ¡Ü
20
30
40
Colority(platinum-cobalt)number
20
30
40
PH value
7.5-9.5
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