2-Undecanol
2-Undecanol (CAS: 1653-30-1) is a secondary alcohol with the chemical formula CH3(CH2)8CH(OH)CH3. This C11 alcohol, also known as methyl nonyl carbinol, presents as a clear liquid. Its molecular weight is 172.31 g/mol. Primarily utilised as a building block in chemical synthesis and organic chemistry research, 2-Undecanol's properties lend themselves to various applications within the chemical industry and life sciences, including cell biology and nutrition research.
- IUPAC
- Methyl nonyl carbinol
- Synonyms
- Methyl nonyl carbinol

Organic Synthesis Intermediate
2-Undecanol serves as a valuable intermediate in the synthesis of more complex organic molecules. Its secondary alcohol functionality allows for a range of chemical transformations.
Research and Development
This compound is employed in laboratory settings for research purposes, contributing to advancements in areas such as cell biology and nutrition research.
Specialty Chemical Applications
Due to its long carbon chain and hydroxyl group, 2-Undecanol may find use in the development of specialty chemicals, surfactants, or lubricants, although specific industrial applications are not detailed.
| Molecular weight | 172.31 |
|---|---|
| Linear formula | CH3(CH2)8CH(OH)CH3 |
| Assay | ≥98.0% (GC) |
| Boiling point | 130-131 °C/28 mmHg(lit.)229-231 °C(lit.) |
| Density | 0.828 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.437(lit.)n20/D 1.437 |


Hazard statements
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
- H411Toxic to aquatic life with long-lasting effects
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P273Avoid release to the environment
- P305IF IN EYES
| Protective equipment | Eyeshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Flash point | 97 °C / 206.6 °F |
| Transport (UN / ADR) | UN 3082 9 / PGIII |
| Water hazard class (WGK, DE) | 2 |
| Hazard codes (EU) | Xi,N |
| Risk statements (R) | 36/37/38-51/53 |
| Safety statements (S) | 26-36-61 |
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-Undecanol used for?
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2-Undecanol is used as a building block in chemical synthesis, and in research areas such as cell biology and nutrition research. It is also known as methyl nonyl carbinol.
What are the CAS number and chemical formula for 2-Undecanol?
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The CAS number for 2-Undecanol is 1653-30-1, and its chemical formula is CH3(CH2)8CH(OH)CH3.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 2-Undecanol with an assay of ≥98.0% (GC). We do not claim USP, BP, EP, or other pharmacopoeia grades unless explicitly stated in the product data.
How is 2-Undecanol handled and shipped?
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2-Undecanol is classified with GHS07 and GHS09 symbols, indicating it is a warning substance that may cause skin irritation (H315), serious eye irritation (H319), respiratory irritation (H335), and is toxic to aquatic life with long-lasting effects (H411). It is shipped according to UN 3082 regulations, class 9, packing group III. Appropriate PPE, including eyeshields and gloves, is recommended.
Is 2-Undecanol a controlled substance?
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The provided data does not indicate that 2-Undecanol is a controlled substance.
How can I request a sample or quote for 2-Undecanol?
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Please contact Tech Serve Solutions directly to request a sample or a quote for 2-Undecanol. Our export team is equipped to handle global supply needs.
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