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Isophthalic Acid m-Phthalic acid 121-91-5
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Isophthalic Acid:
Cas 121-91-5
EINECS No.: 204-506-4
MF: C8H6O4
Melting point: 341-343 ºC
Specification:
Item | Specification | Results |
Purity (% w/w) | 99.8% min | 99.9 |
Acid number (mg KOH/gm) | 675±2 | 675.01 |
3-CBA (ppm w/w) | 25 max | 0.2 |
m-Toluic acid (ppm w/w) | 150 max | 76 |
Water (pct w/w) | 0.1 max | 0.04 |
B (color) | --- | -0.75 |
Ash (ppm w/w) | 15 max | 3 |
Metals (ppm w/w) | None greater than 1 and in total max 10 | None greater than 0.1 and in total max 2 |
Storage:
Stored in a cool, dry container or tank. Storage warehouse must be regularly clearance, ventilate and inspection, be low temperature and dry.
Photos:
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