3-Ethyl-3-methylglutaric acid
3-Ethyl-3-methylglutaric acid (CAS 5345-01-7) is a dicarboxylic acid with the molecular formula C8H14O4 and a molecular weight of 174.19 g/mol. This organic compound serves as a valuable building block in chemical synthesis, particularly within the fields of organic chemistry and materials science. Its distinct structure makes it a useful intermediate for creating more complex molecules.
- IUPAC
- 3-Ethyl-3-methylpentanedioic acid

Organic Synthesis Intermediate
3-Ethyl-3-methylglutaric acid is utilised as a key intermediate in the synthesis of various organic compounds. Its functional groups allow for diverse chemical transformations, enabling the construction of complex molecular architectures.
Research and Development
This compound is frequently employed in academic and industrial research settings. Its availability as a building block facilitates exploratory chemistry and the development of novel materials and pharmaceuticals.
Carbonyl Compound Derivative
As a derivative of carbonyl compounds and a carboxylic acid, it can participate in reactions characteristic of both functional groups, expanding its utility in synthetic pathways.
| Molecular weight | 174.19 |
|---|---|
| Linear formula | HO2CCH2C(CH3)(CH2CH3)CH2CO2H |
| Assay | 97% |
| Melting point | 77-81 °C(lit.) |

Hazard statements
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P305IF IN EYES
| Protective equipment | dust mask type N95 (US), Eyeshields, Gloves |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 36/37/38 |
| Safety statements (S) | 26-36 |
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 3-Ethyl-3-methylglutaric acid used for?
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3-Ethyl-3-methylglutaric acid is primarily used as a building block and intermediate in organic synthesis and research and development activities.
What are the CAS number and chemical formula for 3-Ethyl-3-methylglutaric acid?
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The CAS number for 3-Ethyl-3-methylglutaric acid is 5345-01-7, and its chemical formula is HO2CCH2C(CH3)(CH2CH3)CH2CO2H.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 3-Ethyl-3-methylglutaric acid with an assay of 97%. We do not represent this product as USP, BP, or EP grade.
How should 3-Ethyl-3-methylglutaric acid be handled safely?
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This compound is a Warning irritant to skin, eyes, and the respiratory tract. Handle with appropriate personal protective equipment, including a dust mask (N95), eyeshields, and gloves, in a well-ventilated area. Avoid breathing dust. In case of contact, rinse thoroughly with water.
Is 3-Ethyl-3-methylglutaric acid suitable for export?
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Yes, Tech Serve Solutions is a specialist global supplier and exporter of fine chemicals, including 3-Ethyl-3-methylglutaric acid.
How can I request a quote or sample for 3-Ethyl-3-methylglutaric acid?
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Please contact our sales team or use the online request form to inquire about pricing, bulk quantities, or to request a sample of 3-Ethyl-3-methylglutaric acid.
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