Dimethyl phthalate
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Dimethyl phthalate
structure -
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CAS No:
131-11-3
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Formula:
C10H10O4
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Chemical Name:
Dimethyl phthalate
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Synonyms:
1,2-Benzenedicarboxylic acid,1,2-dimethyl ester;Phthalic acid,dimethyl ester;1,2-Benzenedicarboxylic acid,dimethyl ester;Dimethyl 1,2-benzenedicarboxylate;Dimethyl phthalate;DMP;Fermine;Avolin;Mipax;NTM;Palatinol M;Solvanom;Solvarone;Unimoll DM;DMF (insect repellent);Repeftal;Dimethyl o-phthalate;NSC 15398;Metox 50;1,2-Dimethyl benzene-1,2-dicarboxylate;64441-70-9;1352054-35-3
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CAS No:
Description
Colorless oily liquid with a slightly aromatic fragrance. Immiscibility with ethanol, ethyl ether , soluble in organic solvents such as benzene, acetone, insoluble in water and mineral oil. colourless oily liquid Dimethyl phthalate occurs as a colorless, or faintly colored, odorless, viscous, oily liquid.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 c
Characteristics
52.6
1.47/2.12
Clear Liquid
1.189 g/cm3 @ Temp: 25 °C
5.5 °C
283.7 °C @ Press: 760 Torr
295 °F
n 20/D 1.515(lit.)
H2O: <0.1 g/100 mL at 20 ºC
2-8°C
Vapour pressure, Pa at 20°C: 0.8
6.69
Oral-Rat LD50: 6800 mg/kg; Oral-Mouse LD50: 6800 mg/kg
Combustible in case of open flame, high temperature and strong oxidant; burning emits irritating smoke
vol% in air: 0.9 (at 180°C) 8.0 (at 109°C)
Slight aromatic odor
Safety Information
UN 3082
1
20/21/22-36/37/38-39/23/24/25-23/24/25-11-52
24/25-45-36/37-16-7
TI1575000
F,T
Completely packed, lightly placed; storeroom ventilated, away from open flames, high temperature, and stored separately from oxidants
Stable. Combustible. Incompatible with strong oxidizing agents, strong acids, strong bases, nitrates. Sensitive to prolonged exposure to light.
P210-P260-P280-P301 + P310-P311
H225-H301 + H311 + H331-H370
Dimethyl phthalate Use and Manufacturing
The preparation method is to perform esterification reaction with phthalic anhydride and methanol, the reaction temperature is reflux temperature, and the reaction takes about ten hours. The obtained crude ester is neutralized, washed with water and distilled to obtain the product.
Solvent and plasticizer for cellulose acetate and cellulose acetate-butyrate compositions.Insect repellent for personal protection against biting insects.
Computed Properties
Molecular Weight:194.18
XLogP3:1.6
Hydrogen Bond Acceptor Count:4
Rotatable Bond Count:4
Exact Mass:194.05790880
Monoisotopic Mass:194.05790880
Topological Polar Surface Area:52.6
Heavy Atom Count:14
Complexity:200
Covalently-Bonded Unit Count:1
Compound Is Canonicalized:Yes
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