2-Hydroxyethylhydrazine
2-Hydroxyethylhydrazine (CAS 109-84-2) is a clear, colourless to pale yellow liquid with the molecular formula HOCH₂CH₂NHNH₂ and a molecular weight of 76.10 g/mol. It is a versatile organic building block and chemical intermediate. Commonly employed in organic synthesis and as a precursor in the development of various chemical compounds, it serves as a valuable reagent in research and industrial applications. TSS offers this compound at a typical assay of 90%.
- IUPAC
- 2-Hydrazinoethanol
- Synonyms
- 2-Hydrazinoethanol

Organic Synthesis Intermediate
Utilised as a key building block in the synthesis of more complex organic molecules. Its unique structure allows for various chemical transformations.
Reagent in Chemical Research
Employed in laboratory settings for chemical research and development. It serves as a versatile reagent for exploring new synthetic pathways and reactions.
Precursor for Specialty Chemicals
Acts as a precursor in the manufacturing of specialty chemicals, pharmaceuticals, and agrochemicals. Its functional groups enable the introduction of specific chemical properties.
| Molecular weight | 76.10 |
|---|---|
| Linear formula | HOCH2CH2NHNH2 |
| Assay | 90% |
| Boiling point | 155-160 °C/32 mmHg(lit.) |
| Density | 1.123 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.493(lit.) |
| Melting point | −70 °C(lit.) |


Hazard statements
- H301Toxic if swallowed
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
- H351Suspected of causing cancer
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P280Wear protective gloves, clothing and eye/face protection
- P301IF SWALLOWED
- P305IF IN EYES
- P311Call a POISON CENTER or doctor
| Protective equipment | Eyeshields, Faceshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Flash point | 77 °C / 170.6 °F |
| Transport (UN / ADR) | UN 2810 6.1 / PGIII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | T |
| Risk statements (R) | 23/24/25-36/37/38-40 |
| Safety statements (S) | 23-26-36/37/39-45 |
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 2-Hydroxyethylhydrazine used for?
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2-Hydroxyethylhydrazine is primarily used as an intermediate in organic synthesis and as a reagent in chemical research and development for creating specialty chemicals.
What are the CAS number and formula for 2-Hydroxyethylhydrazine?
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The CAS number is 109-84-2 and the linear formula is HOCH₂CH₂NHNH₂.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 2-Hydroxyethylhydrazine with an assay of approximately 90%. We do not represent this product as USP, BP, or EP grade.
How should 2-Hydroxyethylhydrazine be handled safely?
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2-Hydroxyethylhydrazine is a Danger substance, toxic if swallowed, in contact with skin, or if inhaled (H301 + H311 + H331). It also causes skin irritation (H315), serious eye irritation (H319), and may cause respiratory irritation (H335) and is suspected of causing cancer (H351). Always use with appropriate personal protective equipment, including eyeshields, face shields, gloves, and a suitable respirator in a well-ventilated area.
How is 2-Hydroxyethylhydrazine packed, shipped, and exported?
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2-Hydroxyethylhydrazine is shipped in accordance with relevant dangerous goods regulations (UN 2810, 6.1, PGIII). Please contact TSS for specific export and packaging details.
How can I request a sample or quote for 2-Hydroxyethylhydrazine?
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To request a sample or a quote, please contact our sales team through the website or by phone, providing your specific requirements.
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