5-Hydroxyisophthalic acid

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1,3-Benzenedicarboxylic acid, 5-hydroxy-
5-hydroxybenzene-1,3-dicarboxylic acid
Molecular Formula: C8H6O5
Molecular Weight: 182.13000
Appearance and properties: light gray white powder
Density: 1.612 g/cm3
Boiling point: 516.9ºC at 760 mmHg
Melting point: 298-302 °C(lit.)
Flash point: 280.5ºC
Stability: Stable at room temperature in closed containers under normal storage and handling conditions.
Storage conditions: Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances.

Items of Analysis Standard of Analysis Test Results
Appearance White to light yellow crystalline powder Conform
Assay ≥99.0% 99.94%
Melting point 295-298℃ 296.8-297.2℃
Moisture ≤0.5% 0.09%
Conclusion Conforms to Factory Standard

 5-Hydroxyisophthalic acid

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