Dimethyl phthalate
CAS 131-11-3C10H10O4194.18 g/mol
Dimethyl phthalate is a methyl ester, a phthalate ester and a diester.
IUPAC: dimethyl benzene-1,2-dicarboxylate
PubChem
Physical & Chemical Properties
| Melting Point | 32 °F (NTP, 1992) |
| Boiling Point | 542.7 °F at 760 mmHg (NTP, 1992) |
| Density | 1.1905 at 68 °F (USCG, 1999) - Denser than water; will sink |
| Solubility | less than 1 mg/mL at 68 °F (NTP, 1992) |
| Flash Point | 295 °F (NTP, 1992) |
| Vapor Pressure | 1 mmHg at 212.5 °F ; 5 mmHg at 269.2 °F; 10 mmHg at 297.7 °F (NTP, 1992) |
| Appearance | Dimethyl phthalate appears as a water-white liquid without significant odor. Denser than water and insoluble in water. Hence sinks in water. Flash point 300 °F. Eye contact may produce severe irritation and direct skin contact may produce mild irritation. Used in the manufacture of a variety of products including plastics, insect repellents, safety glass, and lacquer coatings. |
Data: PubChem · Last updated: 4/20/2026
GHS Classification
No GHS classification data available.
Classification data is sourced from ECHA.
Regulatory Compliance
TSCA
Listed
note: Status based on EPA TSCA Active Inventory · inventory name: TSCA Chemical Substance Inventory
View sourceGlobal Trade Intelligence
No trade flow data available for this chemical.
HS Code(s): 2917
Data: UN Comtrade
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