Dioctyl Terephthalate

Basic Information

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CAS Number

6422-86-2

Molecular Formula

C24H38O4

Molecular Weight

390.56 g/mol

Chemical Classification

Basic Chemical Raw Materials Organic Chemicals Carboxylic Acids

Basic Chemical Raw Materials Organic Chemicals Esters

Basic Chemical Raw Materials Organic Chemicals Ethers

Fine Chemicals Dyes and Pigments Organic Dyes

Fine Chemicals Surfactants Anionic Surfactants

Basic Physical Properties

Melting Point

−48 °C

Boiling Point

400 °C

Density

0.986 g/mL at 25 °C

Refractive Index

n20/D 1.49(lit.)

Vapor Pressure

1 mmHg ( 217 °C)

SMILES

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CCCCCCCCOC(=O)c1ccc(cc1)C(=O)OCCCCCCCC

InChI

InChI=1S/C24H38O4/c1-5-9-11-19(7-3)17-27-23(25)21-13-15-22(16-14-21)24(26)28-18-20(8-4)12-10-6-2/h13-16,19-20H,5-12,17-18H2,1-4H3

InChIKey

RWPICVVBGZBXNA-UHFFFAOYSA-N

LogP

6.721200000000008

Topological Polar Surface Area

52.60000000000001 Å²

Hydrogen Bond Donor/Acceptor

0 / 4

Complexity

386

Synonyms & References

English

Dioctyl terephthalate
DOTP
Bis(2-ethylhexyl) terephthalate
1,4-Benzenedicarboxylic acid bis(2-ethylhexyl) ester
Dioctyl terephthalate (DOTP)
DIOCTYL TEREPTHALATE
Kodaflex DOTP
Di(2-ethylhexyl) terephthalate
Di-(2-ethylhexyl) terephthalate
1,4-Benzenedicarboxylic acid, bis(2-ethylhexyl) ester
Eastman 168
Terephthalic acid, bis(2-ethylhexyl) ester
bis(2-ethylhexyl) benzene-1,4-dicarboxylate
1,4-Benzenedicarboxylic acid, 1,4-bis(2-ethylhexyl) ester
Terephthalic acid bis(2-ethylhexyl) ester
DSSTox_CID_7625
DSSTox_RID_78533
DSSTox_GSID_27625
Bis(2-ethylhexyl)

MDL Number

MFCD00072256

Customs Code

2917399090

FAQ

What is Dioctyl Terephthalate (CAS: 6422-86-2)?

Dioctyl Terephthalate (CAS: 6422-86-2) is a colorless, viscous liquid with the chemical formula C24H38O4. It is a diester commonly used as a plasticizer, offering low volatility, good thermal stability, and compatibility with various polymers. Its molecular structure consists of two octyl groups attached to a terephthalate acid core, making it effective in modifying material properties.

What are the main uses of Dioctyl Terephthalate (CAS: 6422-86-2)?

Dioctyl Terephthalate (CAS: 6422-86-2) is primarily used as a plasticizer in polyvinyl chloride (PVC) products, enhancing flexibility and durability. It finds applications in pharmaceuticals, industrial coatings, adhesives, and food packaging. Additionally, it serves as a solvent in research and manufacturing, and is valued for its stability in diverse environmental conditions.

Is Dioctyl Terephthalate (CAS: 6422-86-2) safe?

Dioctyl Terephthalate (CAS: 6422-86-2) is generally considered safe when handled properly, with low toxicity in normal use. However, it should be avoided in high concentrations to prevent potential skin or respiratory irritation. Safety standards like FDA and EU regulations ensure its safe application, emphasizing protective measures such as gloves and ventilation during handling.

How should Dioctyl Terephthalate (CAS: 6422-86-2) be stored?

Dioctyl Terephthalate (CAS: 6422-86-2) should be stored in a cool, dry, and dark place, sealed in airtight containers to prevent evaporation. Maintain storage temperatures below 25°C and avoid exposure to moisture or direct sunlight. Ensure proper ventilation and keep away from heat sources to preserve stability and prolong shelf life.