Ethyl carbazate
Ethyl carbazate (CAS 4114-31-2) is an organic compound with the linear formula H₂NNHCO₂C₂H₅ and a molecular weight of 104.11 g/mol. This hydrazide serves as a valuable building block in organic synthesis. It is primarily utilised in the chemical industry for the preparation of various organic intermediates and active pharmaceutical ingredients, owing to its reactive hydrazine and ester functionalities.
- IUPAC
- Hydrazinocarboxylic acid ethyl ester
- Synonyms
- Hydrazinocarboxylic acid ethyl ester

Organic Synthesis Intermediate
Ethyl carbazate functions as a versatile synthon in the construction of more complex organic molecules. Its structure allows for diverse chemical transformations, making it a key component in multi-step synthetic routes.
Pharmaceutical Research
It is employed in the development of novel pharmaceutical compounds. The compound's reactive groups are suitable for creating heterocyclic systems and other pharmacologically relevant structures.
Heterocyclic Chemistry
Ethyl carbazate is frequently used in the synthesis of various nitrogen-containing heterocyclic compounds, which are prevalent in medicinal chemistry and materials science.
| Molecular weight | 104.11 |
|---|---|
| Linear formula | H2NNHCO2C2H5 |
| Assay | ≥97.0% (GC) |
| Boiling point | 108-110 °C/22 mmHg(lit.) |
| Impurities tested | ≤3% water |
| Melting point | 44-47 °C(lit.)44-48 °C |

Hazard statements
- H301Toxic if swallowed
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P301IF SWALLOWED
- P305IF IN EYES
| Protective equipment | dust mask type N95 (US), Eyeshields, Faceshields, Gloves |
|---|---|
| Flash point | 86 °C / 186.8 °F |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | T |
| Risk statements (R) | 25-36/37/38 |
| Safety statements (S) | 26-45 |
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 Ethyl carbazate used for?
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Ethyl carbazate is primarily used as a building block in organic synthesis, particularly for the preparation of pharmaceutical intermediates and heterocyclic compounds.
What is the CAS number and formula for Ethyl carbazate?
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The CAS number for Ethyl carbazate is 4114-31-2, and its linear formula is H₂NNHCO₂C₂H₅.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Ethyl carbazate with an assay of ≥97.0% (GC), containing ≤3% water. We do not represent this product as USP, BP, EP, or any pharmacopoeia grade.
What are the safety considerations for handling Ethyl carbazate?
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Ethyl carbazate is classified as dangerous. It is toxic if swallowed (H301), causes skin irritation (H315), causes serious eye irritation (H319), and may cause respiratory irritation (H335). Appropriate personal protective equipment, including a dust mask (N95 type US), eyeshields, face shields, and gloves, is essential.
How is Ethyl carbazate supplied and exported?
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Tech Serve Solutions is a specialist global supplier and exporter of fine chemicals. Specific packaging and shipping details are available upon request.
How can I request a sample or quote for Ethyl carbazate?
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To request a sample or a quote for Ethyl carbazate, please contact our sales team through the website or via the provided contact details.
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