*-naphthol
other name: β-Naphthol,
molecular formula is C*0H8.
white glossy flake or white powder,
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Physichochemical
Property
It is flammable and water insoluble, but dissolving in ethanol,
ethyl ether, chloroform, glycerin
and alkaline solution. The property is stable in the air, and its
color will turn dark if keeping for l
ong time or exposured in the sun. With irritant phenol odor and
sublimation by heating. The
density is 1.*8g/cm3, melting point is **3°C***4°C, boiling point
is **5°C***6°C and flash point is **1°C.
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Standard
It comply with Standard of
GB******4.
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Technical Data
Item
|
National First
Grade
|
Our Top
Grade
|
Appearance
|
Grey White Flakes
Or Uniform Powder,
Permitting Turn
To Dark Yellow Or Dark Red
|
*-Naphthol
Content %
|
≥*9%
|
≥*9.1%
|
*-Naphthol
Content %
|
≤0.2%
|
≤0.2%
|
Dry Product
Initial Melting Point
|
≥***0C
|
≥***0C
|
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Application
*-naphthol is used in dye, rubber and oil paint, and the raw
material of rubber antioxidant, bactericide,
mold inhibitor, preservative.