Dibutyl phthalate
Dibutyl phthalate (CAS 84-74-2), with the molecular formula C16H22O4 and a molecular weight of 278.34 g/mol, is a phthalate ester primarily utilised as a plasticizer. It is known for imparting flexibility to polymers. Dibutyl phthalate is also employed as a solvent in various chemical synthesis applications and as a component in certain formulations, contributing to material properties. This compound is supplied by TSS as a SAJ special grade.
- IUPAC
- n-Butyl phthalate,DBP,Phthalic acid dibutyl ester
- Synonyms
- 2-[CO2(CH2)3CH3]2n-Butyl phthalateDBPPhthalic acid dibutyl ester
Plasticizer
Dibutyl phthalate is widely used as a plasticizer to increase the flexibility, workability, and extensibility of polymers. It is particularly effective in PVC and other vinyl resins, making them suitable for applications requiring pliable materials.
Solvent in Chemical Synthesis
This compound serves as a solvent in various organic synthesis processes. Its chemical properties allow it to dissolve a range of reactants and intermediates, facilitating chemical reactions.
Component in Formulations
Dibutyl phthalate can be incorporated into specific formulations to modify their physical characteristics. It may be found in adhesives, coatings, and inks to adjust viscosity and film-forming properties.
| Molecular weight | 278.34 |
|---|---|
| Linear formula | C6H4-1,2-[CO2(CH2)3CH3]2 |
| Assay | ≥98.0% |
| Grade | SAJ special grade |
| Boiling point | 340 °C(lit.) |
| Density | 1.043 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.492(lit.) |
| Melting point | −35 °C(lit.) |
| Vapour pressure | 1 mmHg (147 °C) |
| Vapour density | 9.6 (vs air) |
| Autoignition temp | 756 °F |
| Application | Plasticizer |
Hazard statements
- H360DF
- H400Very toxic to aquatic life
Precautionary statements
- P201Obtain special instructions before use
- P273Avoid release to the environment
- P308IF exposed or concerned
| Protective equipment | Eyeshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Flash point | 171 °C / 339.8 °F |
| Transport (UN / ADR) | UN 3082 9 / PGIII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | T,N |
| Risk statements (R) | 61-50-62 |
| Safety statements (S) | 53-45-61 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
| Expl Lim | 0.47 %, 236 °F |
|---|---|
| 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 Dibutyl phthalate (CAS 84-74-2) used for?
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Dibutyl phthalate (CAS 84-74-2) is primarily used as a plasticizer to enhance the flexibility of polymers, and as a solvent in chemical synthesis. It also finds application as a component in various formulations.
What is the CAS number and formula for Dibutyl phthalate?
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The CAS number for Dibutyl phthalate is 84-74-2 and its linear formula is C6H4-1,2-[CO2(CH2)3CH3]2.
What grade and purity does Tech Serve Solutions supply for Dibutyl phthalate?
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Tech Serve Solutions supplies Dibutyl phthalate as SAJ special grade with an assay of ≥98.0%. TSS does not represent this product as USP, BP, or EP grade.
How should Dibutyl phthalate be handled safely?
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Dibutyl phthalate (CAS 84-74-2) is classified as hazardous. It carries GHS08 and GHS09 symbols with a Danger signal word, indicating potential reproductive toxicity (H360Df) and severe aquatic toxicity (H400). Always consult the Safety Data Sheet (SDS) and use appropriate personal protective equipment, including eyeshields, gloves, and a suitable respirator, as specified in the SDS and safety statements (e.g., P201, P273, P308 + P313).
Is Dibutyl phthalate available for export?
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Dibutyl phthalate (CAS 84-74-2) is available only in Japan. Please contact TSS for specific export inquiries.
How can I request a quote or sample for Dibutyl phthalate?
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To request a quote or sample for Dibutyl phthalate (CAS 84-74-2), please contact the TSS sales department through our website or by phone.
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