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Dimethyl phthalate

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Identification
Molecular formula
C10H10O4
CAS number
131-11-3
IUPAC name
dimethyl benzene-1,2-dicarboxylate
State
State

At room temperature, dimethyl phthalate is a liquid. It is valued for this liquid state in many industrial applications, including its use as a plasticizer and an insect repellent. It offers ease of application and combination with other materials due to its liquid form.

Melting point (Celsius)
2.00
Melting point (Kelvin)
275.00
Boiling point (Celsius)
282.00
Boiling point (Kelvin)
555.00
General information
Molecular weight
194.18g/mol
Molar mass
194.1850g/mol
Density
1.1920g/cm3
Appearence

Dimethyl phthalate is a colorless, oily liquid with a slight aromatic odor. It is well known for its excellent miscibility with various organic solvents, making it a suitable component in product formulations where such properties are desirable.

Comment on solubility

Solubility of Dimethyl Benzene-1,2-Dicarboxylate

Dimethyl benzene-1,2-dicarboxylate, also known as dimethyl phthalate, exhibits interesting solubility characteristics that are influenced by its chemical structure and polarity.

Solubility in Various Solvents:

This compound is notably:

  • Soluble in organic solvents: Dimethyl phthalate is readily soluble in nonpolar and slightly polar solvents such as ethanol, chloroform, and acetone.
  • Poorly soluble in water: Its solubility in water is quite limited, often categorized as insoluble or having a very low solubility, due to its hydrophobic aromatic nature.

Factors Affecting Solubility:

Several factors play a significant role in the solubility of dimethyl phthalate:

  • Molecular Structure: The presence of two carboxylate ester groups contributes to its compatibility with organic solvents while limiting its interaction with water molecules.
  • Temperature: As with many compounds, increased temperature generally enhances solubility in organic solvents, although the same is not necessarily true for water.
  • Polarity: The balance between the polar carboxylate groups and the nonpolar aromatic ring impacts the overall solubility in various media.

In summary, understanding the solubility of dimethyl benzene-1,2-dicarboxylate is crucial for applications in fields such as pharmaceuticals, environmental science, and industrial chemistry. Its tendency to dissolve in organic solvents rather than in water is a reminder of the principle: “Like dissolves like.”

Interesting facts

Interesting Facts About Dimethyl Benzene-1,2-Dicarboxylate

Dimethyl benzene-1,2-dicarboxylate, commonly known as dimethyl phthalate, is a fascinating compound with a variety of applications and properties that appeal to both chemists and industry professionals. Here are some noteworthy aspects:

  • Versatile Applications: This compound is widely used in the production of plasticizers, making plastics more flexible and durable. It also serves as an intermediary in the synthesis of various chemical products.
  • Flavor and Fragrance: Dimethyl phthalate is employed in the fragrance industry to enhance scents in products like perfumes and personal care items, lending its sweet, floral notes to formulations.
  • Impact on Health: While it has useful properties, concerns regarding the potential health effects of phthalates have led to increased scrutiny. Some studies suggest implications for reproductive health, prompting regulatory bodies to examine its usage in consumer products.
  • Environmental Considerations: As a result of its widespread use, there is ongoing research on the environmental persistence of dimethyl phthalate, particularly its impact on aquatic ecosystems.
  • Historical Context: First synthesized in the early 20th century, dimethyl phthalate has a rich history in the development of synthetic materials and continues to be relevant in studies surrounding chemical safety.

As a student or scientist, understanding dimethyl benzene-1,2-dicarboxylate opens doors to discussions about chemical synthesis, environmental chemistry, and the future of materials science. Exploring the balance between its industrial benefits and potential health risks is essential in the ongoing development of safer chemical alternatives.

Quotes from leading chemists often underscore the dual nature of such compounds: “In chemistry, we always walk a fine line between innovation and safety.” This encapsulates the challenge present in handling compounds like dimethyl phthalate in various applications.

Synonyms
Dimethyl phthalate
131-11-3
DIMETHYLPHTHALATE
Avolin
Mipax
Palatinol M
Solvarone
Fermine
Solvanom
Dimethyl o-phthalate
Unimoll DM
Phthalic acid dimethyl ester
Repeftal
Dimethyl 1,2-benzenedicarboxylate
dimethyl benzene-1,2-dicarboxylate
1,2-Benzenedicarboxylic acid, dimethyl ester
ENT 262
Phthalsaeuredimethylester
Phthalic acid, dimethyl ester
Dimethyl benzene-o-dicarboxylate
dimethylphtalate
1,2-Benzenedicarboxylic acid, 1,2-dimethyl ester
Caswell No. 380
DMF (insect repellant)
Dimethyl benzeneorthodicarboxylate
Phtalate de dimethyle
NSC 15398
CCRIS 2674
HSDB 1641
UNII-08X7F5UDJM
EINECS 205-011-6
08X7F5UDJM
NSC-15398
EPA Pesticide Chemical Code 028002
DTXSID3022455
DMF, insect repellent
AI3-00262
Phthalic acid methyl ester
NTM
CHEBI:4609
CHEMBL323348
DTXCID502455
Phthalic acid, bis-methyl ester
Dimethyl 1,2-benzendicarboxylate
EC 205-011-6
NCGC00090692-02
Dimethyl phthalate 5000 microg/mL in Methanol
Dimethyl phthalate, >=99%
DIMETHYL PHTHALATE (II)
DIMETHYL PHTHALATE [II]
DIMETHYL PHTHALATE (MART.)
DIMETHYL PHTHALATE [MART.]
RCRA waste number U102
CAS-131-11-3
Dimethyl phthalate [BSI:ISO]
PHTHALIC ACID DIMETHYL ESTER (D6)
Phthalsaeuredimethylester [German]
Phtalate de dimethyle [ISO-French]
Dimethyl phthalate, PESTANAL(R), analytical standard
RCRA waste no. U102
Dimethylester kyseliny ftalove [Czech]
Benzenedicarboxylic acid, dimethyl ester
Dimethylester kyseliny ftalove
Density Standard 1191 kg/m3
Bisoflex DMP
Kemester DMP
Kodaflex DMP
1,dimethyl ester
Ftalato di metile
MFCD00008425
Uniplex 110
Caswell No 380
Dimethyl orthophthalate
phthalsauredimethylester
1,2-dimethyl benzene-1,2-dicarboxylate
1,2-dimethyl phthalate
Dimethyl phthalate, 99%
Dimethyl phthalate [USP]
WLN: 1OVR BVO1
1,2-benzenedicarboxylic acid 1,2-dimethyl ester
SCHEMBL34630
Dimethyl phthalate, AR,99%
Dimethyl phthalate, CP,99%
MLS002177801
BIDD:ER0349
Dimethyl phthalate (Standard)
DIMETHYL PHTHALATE [MI]
DIMETHYL PHTHALATE [ISO]
HY-N7106R
DIMETHYL PHTHALATE [HSDB]
FIFRA 028002
DIMETHYL PHTHALATE [WHO-DD]
HY-N7106
NSC15398
Tox21_113536
Tox21_202145
Tox21_301045
BDBM50090983
s5378
STL283931
AKOS008969337
CCG-266531
DB13336
USEPA/OPP Pesticide Code: 028002
NCGC00090692-01
NCGC00090692-03
NCGC00090692-04
NCGC00090692-05
NCGC00090692-06
NCGC00254947-01
NCGC00259694-01
1,2 Benzene dicarboxylacid, dimethylester
BS-20466
SMR000777937
DB-062803
benzene-1,2-dicarboxylic acid dimethyl ester
CS-0013572
NS00010268
P0302
EN300-18366
G72747
Dimethyl phthalate, SAJ special grade, >=99.0%
Q423551
Z57902306
Density Standard 1191 kg/m3, H&D Fitzgerald Ltd. Quality
Phthalic acid, bis-methyl ester 1000 microg/mL in Acetonitrile
BENZENE,1,2-DICARBOXYLIC ACID,DIMETHYL ESTER (PHTHALIC ACID,DIMETHYL ESTER)
InChI=1/C10H10O4/c1-13-9(11)7-5-3-4-6-8(7)10(12)14-2/h3-6H,1-2H
205-011-6