Customization: | Available |
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CAS No.: | 121-91-5 |
Formula: | C8h6o4 |
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Isophthalic acid Chemical Properties | |
Melting point | 341-343 °C (lit.) |
Boiling point | 214.32°C (rough estimate) |
density | 1,54 g/cm3 |
refractive index | 1.5100 (estimate) |
storage temp. | Sealed in dry,Room Temperature |
solubility | 0.12g/l |
pka | 3.54(at 25ºC) |
form | Crystalline Powder |
color | White to off-white |
Water Solubility | 0.01 g/100 mL (25 ºC) |
Merck | 145,197 |
BRN | 1909332 |
Stability: | Stable. Incompatible with strong oxidizing agents, strong bases. |
InChIKey | QQVIHTHCMHWDBS-UHFFFAOYSA-N |
CAS DataBase Reference | 121-91-5(CAS DataBase Reference) |
NIST Chemistry Reference | 1,3-Benzenedicarboxylic acid(121-91-5) |
EPA Substance Registry System | Isophthalic acid (121-91-5) |
Application
Used as an intermediate for polyester and coating resins. Mixed with terephthalic acid, isophthalic acid is used in the production of PET resins for drink plastic bottles and food packaging. The high performance polymer polybenzimidazole is produced from isophthalic acid. The acid is used as an important input to produce insulation materials.
Packed in 25kg inner plastic and aluminum bags and outer cardboard barrels.
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