Dimethyl phthalate DMP CAS 131-11-3

Dimethyl phthalate (DMP)

CAS number 131-11-3
Molecular Formula: C10H10O4
Use of Dimethyl phthalate:Dimethyl phthalate, a known endocrine disruptor and one of the phthalate esters (PAEs), is a ubiquitous pollutant. Dimethyl phthalate is commonly used as a plasticizer to impart flexibility to rigid polyvinylchloride (PVC) resins.

Common Name Dimethyl phthalate
CAS Number 131-11-3 Molecular Weight 194.184
Density 1.2±0.1 g/cm3 Boiling Point 282.7±8.0 °C at 760 mmHg
Molecular Formula C10H10O4 Melting Point 2 °C(lit.)
MSDS Flash Point 146.1±0.0 °C
Symbol GHS02 GHS06 GHS08 Signal Word Danger

Dimethyl phthalate Biological Activity

Description Dimethyl phthalate, a known endocrine disruptor and one of the phthalate esters (PAEs), is a ubiquitous pollutant. Dimethyl phthalate is commonly used as a plasticizer to impart flexibility to rigid polyvinylchloride (PVC) resins[1].
Related Catalog
References

Chemical & Physical Properties

Density 1.2±0.1 g/cm3
Boiling Point 282.7±8.0 °C at 760 mmHg
Melting Point 2 °C(lit.)
Molecular Formula C10H10O4
Molecular Weight 194.184
Flash Point 146.1±0.0 °C
Exact Mass 194.057907
PSA 52.60000
LogP 1.64
Vapour Pressure 0.0±0.6 mmHg at 25°C
Index of Refraction 1.515
Stability Stable. Combustible. Incompatible with strong oxidizing agents, strong acids, strong bases, nitrates. Sensitive to prolonged exposure to light.
Water Solubility <0.1 g/100 mL at 20 ºC


Uses
Dimethyl phthalate is primarily utilized as a plasticizer, which enhances the flexibility and durability of plastics. Its applications include:
Plastic Manufacturing: Used in the production of cellulose acetate, which is further utilized in laminated safety glass for various applications, including flight helmets and goggles.
Cosmetics and Fragrances: Acts as a solvent and diluent in cosmetic products and fragrances.
Industrial Applications: Employed in the production of various plastic products, including food packaging and toys.
Safety Information
Dimethyl phthalate is classified as a hazardous substance. Key safety considerations include:
Health Hazards: Overexposure can lead to symptoms such as dizziness, nausea, muscle weakness, and respiratory issues. It is irritating to the skin and eyes, and may cause respiratory tract irritation upon inhalation.
Flammability: DMP is highly flammable, with a flash point of 146 °C (295 °F) and should be handled with care to avoid ignition sources.
Environmental Impact: It is important to manage its use and disposal to minimize environmental contamination, as it can be found in various consumer products.
Regulatory Status
Dimethyl phthalate is subject to various regulations due to its potential health and environmental impacts. It is not classified as a human carcinogen by the U.S. EPA, but caution is advised in its use and handling.
In summary, dimethyl phthalate (DMP) is a versatile chemical with significant industrial applications, particularly in plastics and cosmetics. However, its handling requires strict adherence to safety protocols to mitigate health risks and environmental impact.