Industrial Naphthalene

We are offering industrial naphthalene.
Specifications
1.name: industrial naphthalene
2.cas: 91-20-3
3.appearance:white an light red or yellow powder
4.molecular formula:c10h8
molecular formula:
c10h8
molecular weight:
cas no.:
128.17
91-20-3
appearance:
white an light red or yellow powder
crystallization point:
≥ 78.0ºc (first grade),≥77.5ºc(second level)
invalatile substance:
≤ 0.04 (first grade), ≤ 0.06 (second level)
ash:
≤ 0.01 (first grade),≤0.02(second level)
melting point:
79-82 ºc
boiling point:
218 ºc
density:
0.99
flash point:
78 ºc
packing:
25kg plastic woven bag or cardboard drum with the lining of plastic film .
use:
used in producing phthalic anhydride and additive of concrete