Physical and Chemical Properties: white, reddish or yellowish flake crystal with special odor, easy to get volatized and sublime, the maximum density permitted in the air is 10ppm. Specific Gravity 1.162, melting point 80.1,boiling point 217.9, flash point 78.89, autoignition point 526, explosion limit: lower limit 2.5g/m2 steam 0.9-5.9%. It is a kind of 2nd grade flammable solid.

Main Ingredient: naphthalene

Molecular Formula: C10H8

Structural Formula:

Molecular Weight: 128.17

Up to GB6700-86

Quality Standards:

Item	Grade One	Grade Two	Products up to standard
Appearance	White ,reddish or yellowish crystal powder or flakes.
Crystallization point, not less than	78.3	78.0	77.5
Non-volatile matters, % not more than	0.04	0.06	0.08
Ash, % not more than	0.01	0.02	0.02

Note£º
1.For the non-volatile matters,it's according to the test standard of leaving producing factory.

2.The target of non-volatile matters is made by the producer and clients, when industrial naphthalene (liquid) is supplied.

Uses: the raw material for making phthalic anhydride£¬dyes, resin, ¦Á-naphthalene acid and glucide.

Packing: woven bag lined with plastic one, 50kg, liquid naphthalene could be delivered in the tank wagon of automobiles.