8.22298

Phthalic acid

for synthesis

• Synonym(s): Phthalic acid, Benzene-1,2-dicarboxylic acid
• Linear Formula: C₆H₄(COOH)₂
• CAS Number: 88-99-3
• Molecular Weight: 166.13
• MDL number: MFCD00002467
• UNSPSC Code: 12352106
• EC Index Number: 201-873-2
• NACRES: NA.22

Properties

• vapor pressure: 7.8 hPa ( 191 °C)
• Quality Level: 200
• Assay: ≥99% (acidimetric)
• form: solid
• potency: 7900 mg/kg LD₅₀, oral (Rat)
• pH: 2 (20 °C, 5 g/L in H₂O)
• bp: 289 °C/1013 hPa (decomposition)
• mp: 191 °C (closed capillary tube)
• transition temp: flash point 168 °C
• solubility: water: 5.74 g/L at 20 °C
• density: 1.59 g/cm³ at 20 °C
• bulk density: 960 kg/m³
• storage temp.: 2-30°C
• InChI: 1S/C8H6O4/c9-7(10)5-3-1-2-4-6(5)8(11)12/h1-4H,(H,9,10)(H,11,12)
• InChI key: XNGIFLGASWRNHJ-UHFFFAOYSA-N

Description

Analysis Note

Assay (acidimetric): ≥ 99.0 %
Identity (IR): passes test

Safety Information

• Pictograms: GHS05
• Signal Word: Danger
• Hazard Statements: H318
• Precautionary Statements: P280 - P305 + P351 + P338
• Hazard Classifications: Eye Dam. 1
• Storage Class Code: 11 - Combustible Solids
• WGK: WGK 1
• Flash Point(F): 334.4 °F
• Flash Point(C): 168 °C