Diphenyl ether
Specification
name
item
grade
Highest grade
Good grade
Chroma(platinum-cobalt) ≤
30
50
Crystallization point(℃) ≥
26.5
moisture(%) ≤
0.04
0.05
content(%) ≥
99.9
99.5
phenol(%) ≤
0.005
0.01
sulfur(%) ≤
0.0005
0.0008
chlorine≤(ppm)
8
20