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HomeProduct name list4-Methylbenzenesulfonhydrazide

4-Methylbenzenesulfonhydrazide

Synonym(s):TSH;Tosylhydrazide;p-Toluenesulfonhydrazide;p-Toluenesulfonic acid hydrazide;p-Toluenesulfonyl hydrazide

  • CAS NO.:1576-35-8
  • Empirical Formula: C7H10N2O2S
  • Molecular Weight: 186.23
  • MDL number: MFCD00007588
  • EINECS: 216-407-3
  • SAFETY DATA SHEET (SDS)
  • Update Date: 2024-08-06 16:32:36
4-Methylbenzenesulfonhydrazide Structural

What is 4-Methylbenzenesulfonhydrazide?

Chemical properties

white to off-white powder

The Uses of 4-Methylbenzenesulfonhydrazide

4-Methylbenzenesulfonhydrazide was widely used reagent for the preparation of tosylhydrazones.

The Uses of 4-Methylbenzenesulfonhydrazide

p-Toluenesulfonyl hydrazide is used as a reagent for the preparation of tosylhydrazones. It was used to prepare dipyrazolo[1,5-a:4?,3?-c]pyridines and 1,2,3-selenadiazole derivatives.

Flammability and Explosibility

Not classified

Purification Methods

Dissolve the hydrazide in hot MeOH (~1g/4mL), filter through Celite and precipitate the material by adding 2-2.5 volumes of distilled H2O. Dry it in air or in a vacuum. [Fiedman et al. Org Synth Coll Vol V 1055 1973, Beilstein 11 II 66.]

Properties of 4-Methylbenzenesulfonhydrazide

Melting point: 103-108 °C(lit.)
Boiling point: 340.5±35.0 °C(Predicted)
Density  1.42g/cm3
vapor pressure  0Pa at 20℃
refractive index  1.5400 (estimate)
Flash point: 60°C
storage temp.  Keep in dark place,Inert atmosphere,Store in freezer, under -20°C
solubility  5g/l
form  Powder
pka 9.39±0.10(Predicted)
color  White or off-white to slightly grayish
Water Solubility  5 g/L (15 ºC)
Sensitive  Moisture Sensitive
BRN  610130
Stability: Light Sensitive
CAS DataBase Reference 1576-35-8(CAS DataBase Reference)
EPA Substance Registry System Benzenesulfonic acid, 4-methyl-, hydrazide (1576-35-8)

Safety information for 4-Methylbenzenesulfonhydrazide

Signal word Warning
Pictogram(s)
ghs
Corrosion
Corrosives
GHS05
GHS Hazard Statements H290:Corrosive to Metals
Precautionary Statement Codes P234:Keep only in original container.
P390:Absorb spillage to prevent material damage.

Computed Descriptors for 4-Methylbenzenesulfonhydrazide

InChIKey ICGLPKIVTVWCFT-UHFFFAOYSA-N

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