2-Amino-1-butanol
2-Amino-1-butanol (CAS 96-20-8), with the molecular formula C3H9NO and a molecular weight of 89.14 g/mol, is an amino alcohol. It serves as a versatile building block in organic synthesis and chemical research. Its structure, featuring both amine and alcohol functional groups, allows for diverse chemical reactions. It is primarily utilised in the development of pharmaceuticals, agrochemicals, and other fine chemical intermediates.

Pharmaceutical Intermediate
2-Amino-1-butanol is employed as a key building block in the synthesis of various active pharmaceutical ingredients (APIs). Its chiral nature, when resolved, is particularly valuable in stereoselective synthesis.
Organic Synthesis
As an organic building block, it participates in a range of reactions, including amidation, esterification, and alkylation, facilitating the construction of complex molecular structures for research and development.
Agrochemical Development
The compound can be utilised in the synthesis pathways for novel agrochemicals, contributing to the development of crop protection agents and related products.
Chemical Research Reagent
It is frequently used in academic and industrial research laboratories for exploring new chemical transformations and discovering novel compounds with potential applications.
| Molecular weight | 89.14 |
|---|---|
| Linear formula | C2H5CH(NH2)CH2OH |
| Assay | 97% |
| Boiling point | 176-178 °C(lit.) |
| Density | 0.943 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.4510(lit.) |
| Melting point | -2 °C(lit.) |



Hazard statements
- H302Harmful if swallowed
- H314Causes severe skin burns and eye damage
- H400Very toxic to aquatic life
Precautionary statements
- P273Avoid release to the environment
- P280Wear protective gloves, clothing and eye/face protection
- P305IF IN EYES
- P310Immediately call a POISON CENTER or doctor
| Protective equipment | Faceshields, full-face respirator (US), Gloves, Goggles, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Flash point | 84 °C / 183.2 °F |
| Transport (UN / ADR) | UN 2735 8/PG 3 |
| Water hazard class (WGK, DE) | 2 |
| Hazard codes (EU) | C |
| Risk statements (R) | 22-34-50 |
| Safety statements (S) | 26-36/37/39-45-61 |
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-Amino-1-butanol used for?
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2-Amino-1-butanol is primarily used as a building block in organic synthesis, particularly for pharmaceutical intermediates, agrochemicals, and in chemical research.
What is the CAS number and chemical formula for 2-Amino-1-butanol?
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The CAS number for 2-Amino-1-butanol is 96-20-8, and its chemical formula is C3H9NO.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 2-Amino-1-butanol with an assay of 97%. We do not represent this product as meeting USP, BP, or EP pharmacopoeia standards.
How should 2-Amino-1-butanol be handled safely?
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2-Amino-1-butanol is classified as corrosive and harmful if swallowed. Handle with appropriate personal protective equipment, including gloves, goggles, and face shields. Ensure adequate ventilation and avoid release into the environment.
Is 2-Amino-1-butanol a controlled substance?
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The provided data does not indicate that 2-Amino-1-butanol is a controlled substance.
How is 2-Amino-1-butanol packed and exported?
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2-Amino-1-butanol is packed and exported according to international regulations for hazardous materials, identified under UN 2735.
How can I request a sample or quote for 2-Amino-1-butanol?
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Please contact our sales team via the website or direct telephone to request a sample or a quotation for 2-Amino-1-butanol.
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