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Phthalhydrazide

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Phthalhydrazide Basic information

Product Name:
Phthalhydrazide
Synonyms:
  • PHTALYLHYDRAZINE
  • PHTHALHYDRAZIDE
  • PHTHALHYDRAZINE
  • PHTHALIC HYDRAZIDE
  • PHTHALOYLHYDRAZINE
  • 1,4-Ketophthalazine
  • 1,4-phthalazinediol
  • 2,3-dihydro-4-phthalazinedione
CAS:
1445-69-8
MF:
C8H6N2O2
MW:
162.15
EINECS:
215-893-4
Mol File:
1445-69-8.mol
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Phthalhydrazide Chemical Properties

Melting point:
>300 °C(lit.)
Boiling point:
288.82°C (rough estimate)
Density 
1.3264 (rough estimate)
refractive index 
1.5770 (estimate)
solubility 
Soluble in acetone and acetic acid.
pka
10.70±0.20(Predicted)
form 
Powder and Chunks
color 
White
BRN 
135926
InChIKey
KGLPWQKSKUVKMJ-UHFFFAOYSA-N
CAS DataBase Reference
1445-69-8(CAS DataBase Reference)
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Safety Information

Safety Statements 
24/25
WGK Germany 
3
RTECS 
TH8890080
HS Code 
29280000

MSDS

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Phthalhydrazide Usage And Synthesis

Chemical Properties

WHITE POWDER AND CHUNKS

Uses

Phthalic Hydrazide is a reagent in the synthesis in various pyrazolophthalazine derivatives.

Synthesis Reference(s)

Journal of Heterocyclic Chemistry, 5, p. 111, 1968 DOI: 10.1002/jhet.5570050120

Synthesis Reference(s)

Journal of the American Chemical Society, 84, p. 966, 1962 DOI: 10.1021/ja00865a018

Purification Methods

Recrystallise it twice from 0.1M KOH [Merenyi et al. J Am Chem Soc 108 7716 1986], EtOH or dimethylformamide and it sublimes >300o. [Beilstein 24 H 371, 24 II 194.]

Phthalhydrazide Preparation Products And Raw materials

Preparation Products

PhthalhydrazideSupplier

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