Chemical Name: Phthalic acid
Synonyms: Benzene-1,2-dicarboxylic acid
CAS No.: 88-99-3
Molecular Formula: C8H6O4
Molecular Weight: 166.13
Molecular Structure:
Appearance: Powder
Phthalic Acid Typical Properties
| Melting point | 210-211 °C (dec.) (lit.) |
| Boiling point | 214.32°C (rough estimate) |
| Density | 1.59 g/cm3 at 15 °C |
| Refractive index | 1.5100 (estimate) |
| Colour | White |
| Appearance | Powder |
| Water Solubility | 7 g/L (25 ºC) |
| Vapor Pressure | 7.8 hPa (191 °C) |
Phthalic acid Usage
Used in the synthesis of polyester resin, polyester and drugs.
Used in the manufacture of dyes and plasticizers, etc.
Since phthalic acid and phthalic anhydride have similar chemical
properties, industry often produces phthalic anhydride directly.
Phthalic anhydride can be used instead of phthalic acid in applications
Phthalic acid Packaging and Shipping
Packing: 25KG/Drum
Phthalic acid Storage
Keep container tightly closed in a dry and well-ventilated place. Store below +30°C.
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