Thiocarbohydrazide
Thiocarbohydrazide (CAS 2231-57-4) is a sulfur-containing organic compound with the linear formula (NH2NH)2CS and a molecular weight of 106.15 g/mol. Available at 98% assay, this versatile building block is primarily utilised in chemical synthesis and as an intermediate in the production of various organic compounds. Its unique structure makes it valuable for researchers and industrial chemists seeking specific molecular architectures. Tech Serve Solutions supplies this reagent for laboratory and research applications.
- IUPAC
- Thiocarbonyldihydrazide
- Synonyms
- Thiocarbonyldihydrazide

Organic Synthesis Intermediate
Thiocarbohydrazide serves as a key intermediate in the synthesis of heterocyclic compounds, including thiadiazoles and other sulfur-nitrogen containing ring systems. Its reactive hydrazine and thiocarbonyl groups allow for diverse derivatization pathways.
Building Block for Complex Molecules
The compound functions as a fundamental building block in multi-step organic syntheses. It can be incorporated into larger molecular frameworks for applications in materials science or medicinal chemistry research.
Reagent in Analytical Chemistry
Thiocarbohydrazide can be employed as a derivatizing agent for the analysis of specific functional groups in analytical procedures. Its ability to react selectively aids in the identification and quantification of target analytes.
| Molecular weight | 106.15 |
|---|---|
| Linear formula | (NH2NH)2CS |
| Assay | 98% |
| Melting point | 171-174 °C (dec.)(lit.) |

Hazard statements
- H300Fatal if swallowed
- H311Toxic in contact with skin
- H319Causes serious eye irritation
- H330Fatal if inhaled
Precautionary statements
- P260Do not breathe dust, fume, gas, mist, vapours or spray
- P264Wash thoroughly after handling
- P280Wear protective gloves, clothing and eye/face protection
- P284Wear respiratory protection
- P305IF IN EYES
- P310Immediately call a POISON CENTER or doctor
| Protective equipment | Eyeshields, Faceshields, full-face particle respirator type N100 (US), Gloves, respirator cartridge type N100 (US), type P1 (EN143) respirator filter, type P3 (EN 143) respirator cartridges |
|---|---|
| Transport (UN / ADR) | UN 2811PIH 6.1 / PGI |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | T+ |
| Risk statements (R) | 5-26/28 |
| Safety statements (S) | 28-36/37/39-45 |
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 Thiocarbohydrazide used for?
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Thiocarbohydrazide is used as a building block in organic synthesis and as an intermediate for creating various complex molecules, including heterocyclic compounds. It also finds applications in analytical chemistry as a derivatizing agent.
What are the CAS number and formula for Thiocarbohydrazide?
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The CAS number for Thiocarbohydrazide is 2231-57-4, and its linear formula is (NH2NH)2CS.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Thiocarbohydrazide with an assay of 98%. We do not represent this product as USP, BP, EP, or any other pharmacopoeia grade unless explicitly stated.
What are the primary safety hazards associated with Thiocarbohydrazide?
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Thiocarbohydrazide is classified under GHS06 with the signal word 'Danger'. It carries hazard statements H300 (Fatal if swallowed), H311 (Toxic in contact with skin), H319 (Causes serious eye irritation), and H330 (Fatal if inhaled). Appropriate personal protective equipment, including eyeshields, faceshields, gloves, and suitable respiratory protection (e.g., N100 or P3 filters), must be used. Handle with extreme caution.
Is Thiocarbohydrazide a controlled substance?
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The provided data does not indicate that Thiocarbohydrazide is a controlled substance. However, users should always verify local regulations.
How is Thiocarbohydrazide packed, shipped, and exported?
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Thiocarbohydrazide is packed according to industry standards for hazardous materials and is exported globally by Tech Serve Solutions. Specific packaging details comply with UN 2811 regulations for toxic solids.
How can I request a sample or quote for Thiocarbohydrazide?
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To request a sample or a quote for Thiocarbohydrazide, please contact our sales team via the website or direct inquiry channels, providing your specific requirements and shipping details.
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