Diethyl 5-(hydroxymethyl)isophthalate
Diethyl 5-(hydroxymethyl)isophthalate (CAS: 181425-91-2), with the linear formula HOCH2C6H3-1,3-(CO2C2H5)2 and molecular weight 252.26 g/mol, is a valuable organic building block. This compound functions as a key intermediate in complex organic synthesis and finds application in the development of novel chemical entities. Its ester and hydroxymethyl functionalities offer versatile reaction pathways for chemists.
- Synonyms
- 3-(CO2C2H5)2

Organic Synthesis Intermediate
Diethyl 5-(hydroxymethyl)isophthalate serves as a versatile building block in organic chemistry. Its structure, featuring both ester groups and a primary alcohol, allows for diverse chemical transformations and the construction of more complex molecules.
Material Science Research
The compound's unique structural features make it a candidate for research in material science, potentially for the synthesis of polymers or functional materials. Its reactive sites can be leveraged to incorporate specific properties into larger molecular structures.
Pharmaceutical Intermediate Development
As a fine chemical, it may be employed in the early stages of drug discovery and development. It can act as a starting material or intermediate in the synthesis of potential active pharmaceutical ingredients (APIs).
| Molecular weight | 252.26 |
|---|---|
| Linear formula | HOCH2C6H3-1,3-(CO2C2H5)2 |
| Assay | 98% |
| Melting point | 82-85 °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) | 23-26 |
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 Diethyl 5-(hydroxymethyl)isophthalate used for?
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Diethyl 5-(hydroxymethyl)isophthalate is primarily used as a versatile building block and intermediate in organic synthesis, particularly in areas like material science research and the development of pharmaceutical intermediates.
What is the CAS number and formula for Diethyl 5-(hydroxymethyl)isophthalate?
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The CAS number is 181425-91-2, and the linear formula is HOCH2C6H3-1,3-(CO2C2H5)2.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Diethyl 5-(hydroxymethyl)isophthalate with an assay of 98%. This is a technical/research grade material, and TSS does not represent it as USP, BP, or EP grade.
How should Diethyl 5-(hydroxymethyl)isophthalate be handled safely?
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Diethyl 5-(hydroxymethyl)isophthalate is classified as a Warning substance. It may cause skin irritation (H315), serious eye irritation (H319), and respiratory irritation (H335). Appropriate personal protective equipment, including a dust mask type N95 (US), eyeshields, and gloves, should be used. Avoid breathing dust. Ensure good ventilation. For eye contact, rinse cautiously with water for several minutes and remove contact lenses if present and easy to do. Continue rinsing.
Is Diethyl 5-(hydroxymethyl)isophthalate a controlled substance?
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The provided data does not indicate that Diethyl 5-(hydroxymethyl)isophthalate is a controlled substance.
How is this chemical shipped or exported?
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Tech Serve Solutions is a specialist global supplier and exporter of fine chemicals and can facilitate international shipments. Specific packaging and shipping details will be provided upon order confirmation.
How can I request a quote or sample?
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To request a quote or a sample of Diethyl 5-(hydroxymethyl)isophthalate, please visit the 'Contact Us' section of our website or follow the 'Request a Quote' link associated with the product listing.
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