2-Methylhexanoic acid
2-Methylhexanoic acid (CAS: 4536-23-6), with the molecular formula CH3(CH2)3CH(CH3)COOH and a molecular weight of 130.18 g/mol, is a branched-chain carboxylic acid. It serves as a valuable organic building block in chemical synthesis. This compound is notable for its use in the production of various chemical intermediates and fine chemicals, contributing to diverse industrial applications.
- IUPAC
- 2-Methylcaproic acid
- Synonyms
- 2-Methylcaproic acid

Organic Synthesis Intermediate
2-Methylhexanoic acid is employed as a key intermediate in the synthesis of more complex organic molecules. Its carboxylic acid functionality allows for various derivatizations, making it useful in multi-step chemical processes.
Fine Chemical Production
This compound finds application in the production of fine chemicals, where its specific structure can impart desired properties to the final product. It is integral to creating specialised chemical entities for research and industrial use.
Research and Development
As a readily available organic building block, 2-Methylhexanoic acid is utilised in research laboratories for exploring new synthetic pathways and developing novel chemical compounds. Its availability facilitates a wide range of chemical investigations.
| Molecular weight | 130.18 |
|---|---|
| Linear formula | CH3(CH2)3CH(CH3)COOH |
| Assay | 99% |
| Boiling point | 209-210 °C(lit.) |
| Density | 0.918 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.422(lit.) |
| Vapour pressure | 0.0576 mmHg (25 °C)(lit.) |

Hazard statements
- H314Causes severe skin burns and eye damage
Precautionary statements
- 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 | 106 °C / 222.8 °F |
| Transport (UN / ADR) | UN 3265 8 / PGII |
| Water hazard class (WGK, DE) | 2 |
| Hazard codes (EU) | C |
| Risk statements (R) | 34 |
| Safety statements (S) | 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-Methylhexanoic acid used for?
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2-Methylhexanoic acid is primarily used as a building block in organic synthesis and for the production of fine chemicals and chemical intermediates.
What is the CAS number and chemical formula for 2-Methylhexanoic acid?
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The CAS number for 2-Methylhexanoic acid is 4536-23-6, and its linear formula is CH3(CH2)3CH(CH3)COOH.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 2-Methylhexanoic acid with an assay of 99%. This product is not represented as USP, BP, or EP grade.
What are the primary safety hazards associated with 2-Methylhexanoic acid?
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2-Methylhexanoic acid is classified as Danger and causes severe skin burns and eye damage (H314). Appropriate personal protective equipment, including gloves, goggles, and a full-face respirator, should be used. Ensure adequate ventilation and handle with extreme caution.
How is 2-Methylhexanoic acid packed, shipped, and exported?
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2-Methylhexanoic acid is packed according to safety regulations for hazardous materials. TSS exports chemicals globally, adhering to all international shipping and customs requirements for regulated substances like UN 3265, 8 / PGII.
How can I request a quote or sample of 2-Methylhexanoic acid?
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To request a quote or sample of 2-Methylhexanoic acid, please contact the Tech Serve Solutions sales team through our website or by phone, providing your specific requirements.
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