Chemical Properties of P-hydroxybenzoic acid, hydrazide (CAS 5351-23-5)

P-hydroxybenzoic acid, hydrazide

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InChI Key
Molecular Weight1
Other Names
  • (4-Hydroxybenzoyl)hydrazine
  • (p-Hydroxybenzoyl)hydrazine
  • 4-Hydroxybenzhydrazide
  • 4-Hydroxybenzohydrazide
  • 4-Hydroxybenzoic acid hydrazide
  • Benzoic acid, p-hydroxy-, hydrazide
  • NSC 647
  • p-Hydroxybenzhydrazide
  • p-Hydroxybenzoic acid hydrazide
  • p-Hydroxybenzoic hydrazide
  • p-Hydroxybenzoyl hydrazide
  • para-Hydroxybenzoic acid hydrazide

Physical Properties

Property Value Unit Source
Δf -7.23 kJ/mol Joback Calculated Property
Δfgas -153.91 kJ/mol Joback Calculated Property
Δfus 25.61 kJ/mol Joback Calculated Property
Δvap 70.29 kJ/mol Joback Calculated Property
logPoct/wat -0.004 Crippen Calculated Property
Pc 6132.23 kPa Joback Calculated Property
Tboil 643.43 K Joback Calculated Property
Tc 889.21 K Joback Calculated Property
Tfus 492.64 K Joback Calculated Property
Vc 0.355 m3/kg-mol Joback Calculated Property

Temperature Dependent Properties

Property Value Unit Temperature (K) Source
Cp,gas 283.79 J/mol×K 643.43 Joback Calculated Property

Molecular Descriptors

Joback and Reid Groups
=CH- (ring) 4
-NH2 1
=C< (ring) 2
>NH 1
>C=O (nonring) 1
-OH (phenol) 1

Similar Compounds

4-Hydroxybenzamide. 4-Ethoxybenzhydrazide. 4,4'-Oxybis(benzoylhydrazide). Benzoic acid, hydrazide. 3-Hydroxybenzhydrazide. p-Methoxybenzamide. Benzoic acid, 4-methyl-, hydrazide. Salicyl hydrazide. Terephthalic dihydrazide. 4-Bromobenzoic acid hydrazide. 4-Chlorobenzoic acid hydrazide. Benzoic acid, 4-amino-, hydrazide. Benzoic acid, 2-benzoylhydrazide. 3-Methylbenzoylhydrazide. M-anisic hydrazide.

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