Dimethyl terephthalate
CAS Number 131-11-3
Chemical Formula C10H12O2
Synonyms:
Dimethyl phthalate
DMP
Appearance: Colorless liquid
HS Code: 29173400
MOQ (Minimum Order Quantity): 1 FCL (Full Container Load)
Products Description of Dimethyl CAS# 131-11-3
Dimethyl phthalate is a colorless, oily liquid that serves as an important plasticizer and solvent. It offers good compatibility with many resins and polymers, enhancing flexibility and processability. It is widely used in plastics, coatings, adhesives, and personal care products for its stabilizing and softening properties. It is slightly soluble in water but miscible with most organic solvents.
Parameters
| Item | Value |
| Melting point | 0 °C(lit.) |
| Boiling point | 282 °C(lit.) |
| density | 1.19 g/mL at 25 °C(lit.) |
| vapor density | 6.31 (vs air) |
| vapor pressure | 1 mm Hg (100 °C) |
| refractive index | n20/D 1.515(lit.) |
| Fp | 295 °F |
| storage temp. | Store at +5°C to +30°C. |
| solubility | Slightly soluble in water |
| form | Liquid |
| color | Colorless |
| Odor | Mild aromatic odor |
| explosive limit | 0.9-2.8%(V) |
| Water Solubility | 4 g/L (25 ºC) |
| Stability | Stable. Incompatible with strong oxidizing agents. |
| LogP | 1.56 |
| CAS DataBase Reference | 131-11-3(CAS DataBase Reference) |
| NIST Chemistry Reference | Dimethyl phthalate(131-11-3) |
| EPA Substance Registry System | Dimethyl phthalate (131-11-3) |
Safety Information
| Item | Value |
| Hazard Codes | Xn |
| Risk Statements | 36-39/23/24/25-22 |
| Safety Statements | 26-45-36/37-16 |
| RIDADR | UN 3082 9 / PGIII |
| WGK Germany | 2 |
| RTECS | TI1575000 |
| Autoignition Temperature | 965 °F |
| TSCA | Yes |
| HS Code | 29173400 |
| Toxicity | LD50 orally in rats: 6.8 g/kg |
Product Application of Dimethyl CAS# 131-11-3
Dimethyl phthalate is widely used as a plasticizer for cellulose resins, PVC, and synthetic rubbers. It acts as a solvent in coatings, inks, and insect repellents. It is also used in cosmetics, hair sprays, and pharmaceutical products as a stabilizer and fixative agent.
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