Di-2-octanyl phthalate

Basic Information

View in Editor

CAS Number

131-15-7

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

-60°C

Boiling Point

435.74°C (rough estimate)

Refractive Index

1.48

SMILES

View in Editor

CCCCCCC(C)OC(=O)C1=CC=CC=C1C(=O)OC(C)CCCCCC

InChI

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

InChIKey

RLRMXWDXPLINPJ-UHFFFAOYSA-N

LogP

6.718000000000007

Topological Polar Surface Area

52.60000000000001 Å²

Hydrogen Bond Donor/Acceptor

0 / 4

Complexity

394

Safety Information

View Safety Information

Hazard Statement

H315 Causes skin irritation
Skin corrosion/irritation

H319 Causes serious eye irritation
Serious eye damage/eye irritation

H335 May cause respiratory irritation
Specific target organ toxicity, single exposure; Respiratory tract irritation

Synonyms & References

English

Di(2-octyl) phthalate
Bis(2-octyl)phthalate
DM00F2G7X0
dioctan-2-yl benzene-1,2-dicarboxylate
A908525
1,2-BENZENEDICARBOXYLIC ACID, 1,2-BIS(1-METHYLHEPTYL) ESTER)
Capryl o-phthalate
Phthalic acid, bis(2-octyl) ester
1,2-Benzenedicarboxylic acid, bis(1-methylheptyl) ester
Phthalic acid, bis(1-methylheptyl) ester
WLN: 6Y1 & OVR BVOY6 & 1
NSC-3926
131-15-7
Dicapryl 1,2-benzenedicarboxylate
Phthalic acid, dicapryl ester
Bis(1-methylheptyl) phthalate
BIS(2-OCTYL) PHTHALATE
MFCD01941520
NS00020571
CS-0444335
DTXSID0051655
Disecoctyl phthalate
Phthalic acid, di-2-octyl ester
NSC 3926
SCHEMBL1702480
Bis-(2-oktyl)ester kyseliny ftalove
Di(octan-2-yl) phthalate
AS-17716
Genomoll 100
di-s-octyl phthalate
Monoplex DCP

MDL Number

MFCD01941520

Customs Code

2917349000

FAQ

What are the physical and chemical properties of Di-2-octanyl phthalate (CAS: 131-15-7)?

Di-2-octanyl phthalate (CAS: 131-15-7) is a colorless or slightly yellow liquid at room temperature. It has a molecular weight of approximately 394.47 g/mol and a melting point of about -17°C. This compound is slightly soluble in water but highly soluble in organic solvents. It is reactive towards bases and exhibits some ester hydrolysis. The compound is used in various applications, including plasticizers and coatings.

How is Di-2-octanyl phthalate (CAS: 131-15-7) typically synthesized?

Di-2-octanyl phthalate (CAS: 131-15-7) is typically synthesized by esterification of phthalic anhydride with 2-ethylhexanol. The reaction is catalyzed by a strong acid like sulfuric acid or p-toluenesulfonic acid. The process involves heating under reflux for several hours, followed by neutralization and purification steps. The yield is usually around 85-90%.

What industries use Di-2-octanyl phthalate (CAS: 131-15-7)?

Di-2-octanyl phthalate (CAS: 131-15-7) is predominantly used in the plastic industry as a plasticizer for polyvinyl chloride (PVC) and other polymers. It is also employed in the formulation of coatings, adhesives, and sealants. Additionally, it has applications in the pharmaceutical industry for the production of soft gels and in the manufacturing of some types of sensors and semiconductors.

What precautions should be taken when handling Di-2-octanyl phthalate (CAS: 131-15-7)?

When handling Di-2-octanyl phthalate (CAS: 131-15-7), appropriate personal protective equipment (PPE) such as gloves, goggles, and a lab coat should be worn. Work should be conducted in a well-ventilated area or a fume hood to minimize inhalation risk. Spills should be cleaned up immediately with appropriate absorbent materials. Should an exposure occur, contact a healthcare professional. Always refer to the Safety Data Sheet (SDS) for specific handling instructions and emergency procedures.