Dimethyl phthalate , CP,99% , 131-11-3

Synonym(s):
Dimethyl phthalate;DMP;Phthalic acid dimethyl ester

CAS NO.：131-11-3

Empirical Formula: C10H10O4

Molecular Weight: 194.18

MDL number: MFCD00008425

EINECS: 205-011-6

PRODUCT Properties

• Melting point: 2 °C (lit.)
• Boiling point: 282 °C (lit.)
• Density: 1.19 g/mL at 25 °C (lit.)
• vapor pressure: 0.008 hPa (20 °C)
• refractive index: n20/D 1.515(lit.)
• Flash point: 295 °F
• storage temp.: Store below +30°C.
• solubility: 4.0g/l
• form: Liquid
• color: Clear
• Specific Gravity: 1.194 (20/4℃)
• Relative polarity: 0.309
• PH: 7 (H2O, 20℃)
• Odor: sl. aromatic odor
• Water Solubility: <0.1 g/100 mL at 20 ºC
• Merck: 14,3255
• BRN: 1911460
• Henry's Law Constant: At 25 °C: 235, 246, 230, 214, 168, 127, and 118 at pH values of 3.00, 3.37, 5.88, 6.18, 7.62, 8.91, and 8.99, respectively (Hakuta et al., 1977).
• Exposure limits: TLV-TWA air 5 mg/m³ (ACGIH, MSHA, and OSHA).
• Dielectric constant: 8.1（45℃）
• Stability: Stable. Combustible. Incompatible with strong oxidizing agents, strong acids, strong bases, nitrates. Sensitive to prolonged exposure to light.
• InChIKey: NIQCNGHVCWTJSM-UHFFFAOYSA-N
• LogP: 1.54 at 25℃

Description and Uses

Phthalates are plasticizers, and increase the flexibility of plastics. They are also found in deodorant formulations, perfumes, emollients and insect repellents.

Dimethyl phthalate is used as an insect repellant. It has also been employed as a solvent for cellulose acetate.

Safety

• Symbol(GHS): GHS02,GHS06,GHS08
• Signal word: Danger
• Hazard statements: H225-H301+H311+H331-H370
• Precautionary statements: P210-P260-P280-P301+P310-P311
• Hazard Codes: F,T
• Risk Statements: 20/21/22-36/37/38-39/23/24/25-23/24/25-11-52
• Safety Statements: 24/25-45-36/37-16-7
• OEB: B
• OEL: TWA: 5 mg/m3
• RIDADR: UN 3082
• WGK Germany: 1
• RTECS: TI1575000
• Autoignition Temperature: 460 °C DIN 51794
• TSCA: Yes
• HS Code: 2917 34 00
• Toxicity: LD50 in mice, rats, guinea pigs (ml/kg): 7.2, 6.9, 2.4 orally (Draize)
• IDLA: 2,000 mg/m3