Dimethyl isophthalate
Dimethyl isophthalate (CAS 1459-93-4), with the molecular formula C10H10O4 and a molar mass of 194.18 g/mol, is a diester of isophthalic acid. This organic compound serves as a valuable building block in chemical synthesis. It is primarily utilised in the creation of specialised polymers, such as polybutylene isophthalate derivatives and various poly(ethylene terephthalate-co-isophthalate) terpolyesters, contributing to advanced material science applications.
- Synonyms
- 3-(CO2CH3)2Dimethyl benzene-1,3-dicarboxylate
Polymer Synthesis
Dimethyl isophthalate is employed as a monomer in the synthesis of specialised polyesters. It is particularly used in creating polymers like polybutylene isophthalate end-capped with specific functional groups, and terpolyesters incorporating isophthalate and tert-butyl isophthalate units.
Material Science Research
This compound serves as a key intermediate for researchers developing novel polymers with tailored properties. Its inclusion in polymer chains can modify characteristics such as thermal stability and mechanical performance.
Organic Building Block
As a versatile organic building block, dimethyl isophthalate is used in various organic synthesis pathways. Its ester functionalities allow for diverse chemical transformations, making it a useful reagent in complex molecular constructions.
| Molecular weight | 194.18 |
|---|---|
| Linear formula | C6H4-1,3-(CO2CH3)2 |
| Assay | 98% |
| Grade | ReagentPlus® |
| Vapour pressure | 93.7 mmHg (208 °C) |
| Vapour density | 6.8 (vs air) |
| Application | Dimethyl isophthalate was used in the synthesis of:• polybutylene isophthalate end-capped with N-ethyl-pentadecafluorooctanamide1• poly(ethylene terephthalate-co-isophthalate-co-5-tert-butylisophthalate) terpolyesters2 |
| Melting point | 64-68 °C(lit.) |
Hazard statements
- H319Causes serious eye irritation
Precautionary statements
- P305IF IN EYES
| Protective equipment | dust mask type N95 (US), Eyeshields, Gloves |
|---|---|
| Flash point | 173 °C / 343.4 °F |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 36 |
| 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 Dimethyl isophthalate used for?
+
Dimethyl isophthalate (CAS 1459-93-4) is used as a building block in chemical synthesis, particularly for creating specialised polymers like polybutylene isophthalate and poly(ethylene terephthalate-co-isophthalate) terpolyesters.
What are the CAS number and formula for Dimethyl isophthalate?
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The CAS number for Dimethyl isophthalate is 1459-93-4, and its linear formula is C6H4-1,3-(CO2CH3)2. The molecular weight is 194.18 g/mol.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Dimethyl isophthalate in ReagentPlus® grade with an assay of 98%. TSS does not represent this product as USP, BP, or EP grade.
How should Dimethyl isophthalate be handled safely?
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Dimethyl isophthalate is classified as a warning substance (GHS07) and causes serious eye irritation (H319). When handling, use a dust mask type N95 (US), wear eyeshields and gloves. In case of eye contact, rinse cautiously with water for several minutes, removing contact lenses if present and easy to do (P305 + P351 + P338).
Is Dimethyl isophthalate a controlled substance?
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The provided data does not indicate that Dimethyl isophthalate is a controlled substance.
How is Dimethyl isophthalate packed, shipped, and exported?
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Tech Serve Solutions, a global supplier and exporter since 1998, ensures appropriate packaging for Dimethyl isophthalate for safe domestic and international shipment.
How can I request a quote or sample for Dimethyl isophthalate?
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To request a quote or sample for Dimethyl isophthalate, please contact the Tech Serve Solutions sales team through our website or designated contact channels.
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