Dipropyl phthalate
Dipropyl phthalate (CAS: 131-16-8), with the molecular formula C16H22O4 and a molecular weight of 278.34 g/mol, is an ester. It is commonly utilized as a plasticizer to enhance the flexibility and durability of polymers. This compound also finds application as an intermediate in various chemical syntheses and in materials science research, contributing to the development of new materials and formulations.
- Synonyms
- 1,2-Benzenedicarboxylic acid, dipropyl esterPhthalic acid dipropyl esterPropyl phthalate
Plasticizer for Polymers
Dipropyl phthalate serves as an effective plasticizer, increasing the pliability, workability, and extensibility of plastics. It is incorporated into polymer matrices to reduce their glass transition temperature and improve mechanical properties.
Chemical Synthesis Intermediate
As an organic building block, this ester can be employed in the synthesis of more complex molecules. Its reactive functional groups allow for its participation in various organic transformations within research and industrial chemical processes.
Materials Science Research
Dipropyl phthalate is used in materials science for the formulation and development of novel materials. Its properties can be leveraged in the creation of specialized coatings, adhesives, and composites.
| Molecular weight | 250.29 |
|---|---|
| Linear formula | C6H4-1,2-(CO2CH2CH2CH3)2 |
| Assay | 98% |
| Boiling point | 317.5 °C(lit.) |
| Density | 1.078 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.497(lit.) |
Hazard statements
- H361F
- H411Toxic to aquatic life with long-lasting effects
Precautionary statements
- P273Avoid release to the environment
- P281Use personal protective equipment as required
| Protective equipment | Eyeshields, Gloves, half-mask respirator (EU), half-mask respirator (US), multi-purpose combination respirator cartridge (US) |
|---|---|
| Flash point | 109 °C / 228.2 °F |
| Transport (UN / ADR) | UN 3082 9 / PGIII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xn,N |
| Risk statements (R) | 51/53-62 |
| Safety statements (S) | 36/37-61 |
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 Dipropyl phthalate (CAS 131-16-8) used for?
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Dipropyl phthalate is primarily used as a plasticizer to improve the flexibility of polymers, as an intermediate in chemical synthesis, and in materials science research.
What is the CAS number and chemical formula for Dipropyl phthalate?
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The CAS number is 131-16-8, and the linear formula is C6H4-1,2-(CO2CH2CH2CH3)2. The molecular weight is 278.34 g/mol.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Dipropyl phthalate with a minimum assay of 98%. We do not represent this product as USP, BP, or EP grade.
How should Dipropyl phthalate be handled safely?
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Handle with appropriate personal protective equipment, including eyeshields and gloves. Ensure adequate ventilation and use a suitable respirator if needed. Avoid release to the environment, as it is harmful to aquatic life with long-lasting effects (H411).
How is Dipropyl phthalate shipped and exported?
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Dipropyl phthalate is shipped and exported in compliance with relevant regulations, classified under UN 3082, Class 9, Packing Group III.
How can I request a quote or sample of Dipropyl phthalate?
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Please contact our sales team through our website to request a quotation or to arrange for a product sample.
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