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4-Methylbenzenesulphonylhydrazide, 97%, Thermo Scientific Chemicals
Description
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.
This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.
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.
Solubility
Soluble in water, alcohol.
Notes
Store away from strong oxidizing agents. Keep container tightly closed. Store in cool, dry conditions in well sealed containers.

Specifications
Specifications
Melting Point | 108°C to 111°C |
Density | 1.4 |
Quantity | 25 g |
UN Number | UN3226 |
Beilstein | 610130 |
Solubility Information | Soluble in water,alcohol. |
Formula Weight | 186.23 |
Percent Purity | 98% |
Chemical Name or Material | p-Toluenesulfonyl hydrazide |
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Certificates
Certificates
A lot number is required to show results for certificates. To find your lot number on previous orders use our order status area.
Lot Number | Certificate Type | Date | Catalog Number |
---|---|---|---|
10252669 | Certificate of Analysis | 27/11/2024 | A13529.22,A13529.14,A13529.36 |
10251846 | Certificate of Analysis | 12/08/2024 | A13529.22,A13529.14,A13529.36 |
10240427 | Certificate of Analysis | 20/02/2024 | A13529.22,A13529.14,A13529.36 |
10240428 | Certificate of Analysis | 20/02/2024 | A13529.22,A13529.14,A13529.36 |
10241075 | Certificate of Analysis | 08/06/2022 | A13529.22,A13529.14,A13529.36 |
Safety and Handling


- 4-Methylbenzenesulphonylhydrazide
- Danger
- Acute toxicity Category 3
- Serious eye damage/eye irritation Category 2
- Self-reaC & Dtive substanC & De or mixture Type C & D
- H242-Heating may cause a fire.
- H301-Toxic if swallowed.
- H319-Causes serious eye irritation.
- EUH044-Risk of explosion if heated under confinement.
- P210-Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking.
- P234-Keep only in original container.
- P280-Wear protective gloves/protective clothing/eye protection/face protection.
- P301+P310-IF SWALLOWED: Immediately call a POISON CENTER/doctor /
- P403+P235-Store in a well-ventilated place. Keep cool.
- MIXTURE LIST-Contains : 4-Methylbenzenesulphonylhydrazide
RUO – Research Use Only
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