Phthalic acid for synthesis, Sigma-Aldrich®

Supplier: Merck
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Synonyms: Pathalic acid

M-Clarity™ quality level = MQ200

8.22298.0100 8.22298.1000 8.22298.9025
8.22298.0100EA 30 GBP
8.22298.0100 8.22298.1000 8.22298.9025
Phthalic acid for synthesis, Sigma-Aldrich®
Phthalic acid
Formula: C₈H₆O₄
MW: 166,13 g/mol
Boiling Pt: 315…317 °C (1013 hPa)
Melting Pt: 79 °C
Density: 1,576 g/cm³ (20 °C)
Storage Temperature: Ambient
MDL Number: MFCD00002467
CAS Number: 88-99-3
EINECS: 201-873-2
Merck Index: 12,07527

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Specification Test Results

Solubility 5.74 g/l (20 °C)
Melting Point 191 °C (closed capillary tube)
Molar Mass 166.13 g/mol
Bulk Density 960 kg/m3
Boiling Point 289 °C (1013 hPa) (decomposition)
Vapor Pressure 7.8 hPa (191 °C)
Flash Point 168 °C
Density 1.59 g/cm3 (20 °C)
pH 2 (5 g/l, H2O, 20 °C)

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