4-Phenylthiosemicarbazide
4-Phenylthiosemicarbazide (CAS 5351-69-9) is a chemical compound with the linear formula C <sub>6</sub>H <sub>5</sub>NHCSNHNH <sub>2</sub> and a molecular weight of 167.23 g/mol. This organic building block, featuring a thiocarbonyl group, is primarily used in chemical synthesis. It serves as a precursor in the creation of various organic molecules and has been employed in the development of specific resins and thiosemicarbazone derivatives. Tech Serve Solutions supplies this compound for research and synthesis purposes.
Synthesis of Amberlite XAD Resins
4-Phenylthiosemicarbazide has been utilised as a component in the synthesis of Amberlite XAD resins, which are employed in various separation and purification processes.
Preparation of Thiosemicarbazones
This compound serves as a precursor for synthesising a series of thiosemicarbazone derivatives, which are a class of organic compounds with diverse chemical properties and potential applications.
Organic Synthesis Intermediate
As an organic building block, 4-Phenylthiosemicarbazide is valuable in general organic synthesis for constructing more complex molecular structures.
| Molecular weight | 167.23 |
|---|---|
| Linear formula | C6H5NHCSNHNH2 |
| Assay | ≥99.0% (NT) |
| Solubility | methanol: soluble50 mg/mL, clear |
| Application | 4-Phenylthiosemicarbazide was used in the synthesis of amberlite XAD resins1. It was also used in the synthesis of a series of thiosemicarbazones2. |
| Melting point | 138-140 °C(lit.)138-140 °C |
Hazard statements
- H300Fatal if swallowed
Precautionary statements
- P264Wash thoroughly after handling
- P301IF SWALLOWED
| Protective equipment | Eyeshields, Faceshields, Gloves, type P2 (EN 143) respirator cartridges |
|---|---|
| Transport (UN / ADR) | UN 2811 6.1 / PGII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | T |
| Risk statements (R) | 25 |
| Safety statements (S) | 45 |
| Ignition residue | ≤0.05% |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is 4-Phenylthiosemicarbazide used for?
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4-Phenylthiosemicarbazide is used in chemical synthesis, including the preparation of Amberlite XAD resins and various thiosemicarbazone derivatives. It functions as an organic building block.
What is the CAS number and formula for 4-Phenylthiosemicarbazide?
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The CAS number for 4-Phenylthiosemicarbazide is 5351-69-9 and its linear formula is C <sub>6</sub>H <sub>5</sub>NHCSNHNH <sub>2</sub>.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 4-Phenylthiosemicarbazide with an assay of ≥99.0% (NT). This product is not represented as USP, BP, EP, or other pharmacopoeia grades.
How should 4-Phenylthiosemicarbazide be handled safely?
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4-Phenylthiosemicarbazide is classified as acutely toxic (H300). Handling requires appropriate personal protective equipment, including eyeshields, faceshields, gloves, and P2 respirator cartridges. Ensure adequate ventilation and immediate medical attention in case of exposure.
How is 4-Phenylthiosemicarbazide packed and shipped?
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4-Phenylthiosemicarbazide is packed according to industry standards for chemical safety and stability. It is available for export globally by Tech Serve Solutions, adhering to all relevant transport regulations, including UN 2811 6.1 / PGII classification.
How can I request a quote or sample for 4-Phenylthiosemicarbazide?
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To request a quote or sample, please contact the Tech Serve Solutions sales team through our website or by phone, providing the product name and CAS number (5351-69-9).
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