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| IUPAC Name: | benzene-1,3-dicarboxylic acid |
| Description: | Isophthalic acid (CAS# 121-91-5) is a useful reagent for preparing semiconductor sealing materials, prepregs, build-up films, solder resists, dry films, and printed wiring boards. |
| Molecular Weight: | 166.13 |
| Molecular Formula: | C8H6O4 |
| Canonical SMILES: | C1=CC(=CC(=C1)C(=O)O)C(=O)O |
| InChI: | InChI=1S/C8H6O4/c9-7(10)5-2-1-3-6(4-5)8(11)12/h1-4H,(H,9,10)(H,11,12) |
| InChI Key: | QQVIHTHCMHWDBS-UHFFFAOYSA-N |
| Boiling Point: | 412.3 °C |
| Melting Point: | 341-343 °C |
| Flash Point: | 217.3°C |
| Purity: | 85 % |
| Density: | 1.54 g/cm3 |
| Solubility: | 6.02e-04 M;Soluble in 8000 parts cold water, 460 parts boiling water; freely soluble in alcohol; practically insoluble in petroleum ether;In methanol: 4.0 g/100 g at 25 °C; in propanol: 1.7 g/100 g at 25 °C, 2.7 g/100 g at 50 °C; in glacial acetic acid: 0.23 g/100 g at 25 °C;Insoluble in benzene, ligroin and ether;Water solubility: 120 mg/L at 25 °C, 350 mg/L at 50 °C, 3200 mg/L at 100 °C;In water, 5400 mg/L at 14 °C (pH adjusted water for complete dissociation);Solubility in water: none in cold water, poor in boiling water |
| Appearance: | White solid with a slight unpleasant odor. sinks in water. |
| Storage: | Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances. |
| Decomposition: | When heated to decomposition it emits acrid smoke and fumes |
| MDL: | MFCD00002516 |
| LogP: | 1.08300 |
| Refractive Index: | 1.5100 (estimate) |
| Stability: | Stable. Incompatible with strong oxidizing agents, strong bases. |
| Vapor Pressure: | 2.6X10-8 mm Hg at 25 °C(est) |
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Carbonyl Compounds
(S)-Hexahydropyrazino[2,1-c][1,4]oxazin-4(3H)-one hydrochloride
2-(6,8-difluoro-1,2,3,4-tetrahydro-naphthalen-2-ylamino)-pentanoic acid methyl ester
2-(6-Ethyl-3-methyl-4-(trifluoromethyl)-1H-pyrazolo[3,4-b]pyridin-1-yl)acetic acid
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