Product Name
|
Terephthalic acid
|
Melting Point
|
>300 °C (lit.)
|
CAS Number
|
100-21-0
|
Boiling Point
|
214.32°C (rough estimate)
|
Purity
|
99.9%
|
Place of Origin
|
Shandong, China
|
Appearance
|
White crystal powder
|
Molecular Formula
|
C8H6O4
|
Product Characteristics
|
Unit
|
Sales Specification
|
Acid Number
|
mg KOH/g
|
675.0±2.0
|
4-Carboxy
Benzaldehyde |
wt ppm
|
25.0 Max.
|
Para-Toluic Acid
|
wt ppm
|
170 Max.
|
Moisture
|
wt %
|
0.20 Max.
|
Apha Color (5% DMF Solution)
|
-
|
10 Max.
|
Ashes
|
wt ppm
|
6.0 Max.
|
Total Metal
(Mo, Cr, Ni, Co, Fe, Ti, Mg) |
wt ppm
|
3.0 Max.
|
Iron(Fe)
|
wt ppm
|
1.0 Max
|