Purified Terephthalic Acid
Formula: C8H6O4
purity:>99%
Description: White needle crystal or powder
Purified Terephthalic Acid
Formula: C8H6O4
Description: White needle crystal or powder
Uses : As a reagent for alkali in wool , additive to poultry feeds.
Chemical and physical properties
Combustibility: Flammable
Toxicity : Low toxicity
Density : 1.510 g/cm3
Sublimation : 402 °C ( Under natural pressure)
Melting point: 425 °C (in a gland )
Solubility : dissolving in hot grain alcohol , not dissolving in water, aether , glacial
Specification
Specifications |
| Unit | Quantity |
| Acidity | Mg of KOH/gm | 675 ± 2 |
| Moisture | wt % | 0.2 max |
| Ashes | ppm | 7 max |
| 4 Carboxybenzaldehyde | ppm | 20 max |
| Color | APHA (in N-N-Dimethyl From Amide Solution), HU | 10 max |
| Iron | ppm | 0.5 max |
| Para Toluic Acid | ppm | 120 max |
| Total metals Fe, Mn, Co, Cr, Ni, Mo, Ti | ppm | 2 max |
| Δ Y |
| 10 max |
| b-Color |
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