Dimethyl phthalate
Dimethyl phthalate (CAS 131-11-3), with the molecular formula C6H4-1,2-(CO2CH3)2 and a molecular weight of 194.18, is an ester widely utilized as a chemical intermediate and building block. It serves as a plasticizer and is incorporated into various synthesis processes. Tech Serve Solutions supplies this compound, known for its role in organic synthesis and materials science applications.
- IUPAC
- DMP
- Synonyms
- 2-(CO2CH3)2DMP

Chemical Synthesis Intermediate
Dimethyl phthalate serves as a key building block in organic synthesis, facilitating the creation of more complex molecules. Its ester functionalities are amenable to various chemical transformations.
Plasticizer
It is employed as a plasticizer to enhance the flexibility and durability of polymers. This application leverages its ability to integrate into polymer chains and reduce intermolecular forces.
Laboratory Reagent
In research and development settings, Dimethyl phthalate is used as a reagent for various experimental procedures. Its well-defined properties make it suitable for controlled chemical reactions.
| Molecular weight | 194.18 |
|---|---|
| Linear formula | C6H4-1,2-(CO2CH3)2 |
| Assay | ≥99.0% |
| Grade | SAJ special grade |
| Boiling point | 282 °C(lit.) |
| Density | 1.19 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.515(lit.) |
| Melting point | 2 °C(lit.) |
| Autoignition temp | 1033 °F |
| Protective equipment | Eyeshields, Gloves, half-mask respirator (EU), half-mask respirator (US), multi-purpose combination respirator cartridge (US) |
|---|---|
| Flash point | 146 °C / 294.8 °F |
| Transport (UN / ADR) | UN 3082 9 / PGIII |
| Water hazard class (WGK, DE) | 1 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
| Availability | available only in Japan |
|---|
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 phthalate used for?
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Dimethyl phthalate is primarily used as a chemical intermediate and building block in organic synthesis, and as a plasticizer in various applications.
What is the CAS number and chemical formula for Dimethyl phthalate?
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The CAS number for Dimethyl phthalate is 131-11-3, and its linear chemical formula is C6H4-1,2-(CO2CH3)2.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Dimethyl phthalate in a SAJ special grade with an assay of ≥99.0%.
What are the safety and handling precautions for Dimethyl phthalate?
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Dimethyl phthalate has a flash point of 146 °C (294.8 °F) and an autoignition temperature of 1033 °F. Appropriate personal protective equipment, including eyeshields and gloves, should be used. Respiratory protection is also recommended. Consult the safety data sheet for detailed handling information.
How is Dimethyl phthalate packed and exported by TSS?
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Dimethyl phthalate is available only in Japan. Further details on packing and export can be provided upon request.
How can I request a quote or sample of Dimethyl phthalate?
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To request a quote or sample of Dimethyl phthalate, please contact the Tech Serve Solutions sales team directly through our official channels.
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