What is the melting point of phthalic acid?

64°F
Melting point 64°F Flash point 305°F. Forms a corrosive solution when mixed with water. Used in the manufacture of materials such as artificial resins. Phthalic anhydride is the cyclic dicarboxylic anhydride that is the anhydride of phthalic acid.

What is the solubility of phthalic acid?

Phthalic acid is very soluble in boiling water, 18 g/100 mL, and is much less soluble in chilled (14°C) water, 0.54 g/100 mL. Thus, water is a very good recrystallization solvent for phthalic acid.

What happens when phthalic acid is heated?

heating, phthalic acid readily yields phthalic anhydride (with a five-membered ring), but isophthalic and terephthalic acids do not undergo this reaction.

How do you identify phthalic acid?

Thus the chemical formula of phthalic acid or phthalic acid formula is C6H4(CO2H)2 which means there is a six carbon ring with alternating double bond that makes it aromatic in nature with a carboxyl group ( -COOH) to one of the carbon atom of the aromatic benzene ring and the other carboxyl group ( -COOH) at the ortho …

How will you distinguish between benzoic acid and phthalic acid?

because sooty flames are given by aromatic compound pthalic acid is aromatic compound while oxalic acid is aliphatic. oxalic acid is oxidized by permanganate the phthalic acids aren’t. Measurement of the melting points will also distinguish.

Is Phthalic acid a dicarboxylic acid?

Phthalic acid is an aromatic dicarboxylic acid, with formula C6H4(CO2H)2. It is an isomer of isophthalic acid and terephthalic acid. Phthalic acid is one of three isomers of benzenedicarboxylic acid, the others being isophthalic acid and terephthalic acid.

Is Phthalic acid flammable?

ICSC 0768 – PHTHALIC ACID. Combustible. Finely dispersed particles form explosive mixtures in air. NO open flames.

Is phthalic acid a phthalate?

Phthalic acid is a benzenedicarboxylic acid cosisting of two carboxy groups at ortho positions. It has a role as a human xenobiotic metabolite. It is a conjugate acid of a phthalate(1-) and a phthalate.

How can you distinguish between Ethanoic acid and Methanoic acid?

The key difference between methanoic acid and ethanoic acid is that methanoic acid consists of a hydrogen atom bonded to a carboxylic functional group whereas ethanoic acid consists of a methyl group bonded to a carboxylic acid group. Carboxylic acid groups have the chemical formula –COOH.

Melting point: ca. 210 °C, converted into phthalic anhydride with the elimination of water. Gerhartz, W. (exec ed.). Ullmann’s Encyclopedia of Industrial Chemistry. 5th ed.Vol A1: Deerfield Beach, FL: VCH Publishers, 1985 to Present., p.

What is the formula for phthalic acid C 6 H 4?

Hydrogen phthalate. Phthalic acid is an aromatic dicarboxylic acid, with formula C 6 H 4 (CO 2 H) 2. It is an isomer of isophthalic acid and terephthalic acid. Although phthalic acid is of modest commercial importance, the closely related derivative phthalic anhydride is a commodity chemical produced on a large scale.

What kind of solid is isophthalic acid?

Isophthalic acid is a white solid with a slight unpleasant odor. Sinks in water. (USCG, 1999) Isophthalic acid is a benzenedicarboxylic acid that is benzene substituted by carboxy groups at position 1 and 3. One of three possible isomers of benzenedicarboxylic acid, the others being phthalic and terephthalic acids.

What is the position of benzene in isophthalic acid?

Isophthalic acid is a benzenedicarboxylic acid that is benzene substituted by carboxy groups at position 1 and 3. One of three possible isomers of benzenedicarboxylic acid, the others being phthalic and terephthalic acids.