1-(4-Nitrophenyl)-2-thiourea
1-(4-Nitrophenyl)-2-thiourea (CAS: 3696-22-8), with the molecular formula O2NC6H4NHCSNH2 and a molecular weight of 197.21, is a chemical compound primarily utilized as a building block in organic synthesis. Its distinct structure makes it suitable for applications such as anion sensing in organic solvents. Supplied by Tech Serve Solutions with a purity of 98%, this compound is an important reagent for researchers and synthetic chemists.

Anion Sensing Reagent
1-(4-Nitrophenyl)-2-thiourea has been employed as a sensor for anions in organic solvent systems. Its chemical structure allows it to interact with specific ions, facilitating their detection.
Organic Synthesis Building Block
As an organic building block, this thiourea derivative serves as a valuable starting material or intermediate in the synthesis of more complex organic molecules. Its functional groups offer versatile reactivity.
Chemical Research
This compound is used in various chemical research settings, particularly in studies involving sulfur compounds and thiourea derivatives. It aids in exploring new synthetic pathways and molecular structures.
| Molecular weight | 197.21 |
|---|---|
| Linear formula | O2NC6H4NHCSNH2 |
| Assay | 98% |
| Application | 1-(4-Nitrophenyl)-2-thiourea was used as anion sensor in organic solvent1. |
| Melting point | 206 °C (dec.)(lit.) |

Hazard statements
- H301Toxic if swallowed
Precautionary statements
- P301IF SWALLOWED
| Transport (UN / ADR) | UN 2811 6.1 / PGIII |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | T |
| Risk statements (R) | 25 |
| Safety statements (S) | 45 |
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 1-(4-Nitrophenyl)-2-thiourea used for?
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1-(4-Nitrophenyl)-2-thiourea is primarily used as a building block in organic synthesis and has been employed as an anion sensor in organic solvents.
What are the CAS number and formula for 1-(4-Nitrophenyl)-2-thiourea?
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The CAS number for 1-(4-Nitrophenyl)-2-thiourea is 3696-22-8, and its linear formula is O2NC6H4NHCSNH2.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 1-(4-Nitrophenyl)-2-thiourea with an assay of 98%. We do not represent this product as USP, BP, or EP grade.
How should 1-(4-Nitrophenyl)-2-thiourea be handled?
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This compound is classified as toxic if swallowed (H301) and requires careful handling. Follow all safety precautions indicated by the Danger signal word and P301 + P310 precautionary statements. Ensure adequate ventilation and wear appropriate protective equipment.
How is 1-(4-Nitrophenyl)-2-thiourea packed and exported?
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1-(4-Nitrophenyl)-2-thiourea is packed according to international shipping regulations for hazardous materials (UN 2811 6.1 / PGIII) and exported globally by Tech Serve Solutions.
How can I request a sample or quote for 1-(4-Nitrophenyl)-2-thiourea?
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To request a sample or quote for 1-(4-Nitrophenyl)-2-thiourea, please contact our sales department through the website or by phone.
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