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D201154

Sigma-Aldrich

Dioctyl phthalate

≥99.5%

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Synonym(s):
Bis(2-ethylhexyl) phthalate, DEHP, DOP, Phthalic acid bis(2-ethylhexyl ester)
Linear Formula:
C6H4-1,2-[CO2CH2CH(C2H5)(CH2)3CH3]2
CAS Number:
Molecular Weight:
390.56
Beilstein:
1890696
EC Number:
MDL number:
PubChem Substance ID:
NACRES:
NA.22

vapor density

>16 (vs air)

Quality Level

vapor pressure

1.2 mmHg ( 93 °C)

Assay

≥99.5%

form

oil

autoignition temp.

734 °F

impurities

≤0.05% water (Karl Fischer)

color

APHA: ≤10

refractive index

n25/D 1.483-1.487
n20/D 1.486 (lit.)

bp

384 °C (lit.)

mp

−50 °C (lit.)

density

0.985-0.987 g/mL at 20 °C
0.985 g/mL at 25 °C (lit.)

suitability

suitable for acidity (

<=0.003%as phthalic acid

)

SMILES string

CCCCC(CC)COC(=O)c1ccccc1C(=O)OCC(CC)CCCC

InChI

1S/C24H38O4/c1-5-9-13-19(7-3)17-27-23(25)21-15-11-12-16-22(21)24(26)28-18-20(8-4)14-10-6-2/h11-12,15-16,19-20H,5-10,13-14,17-18H2,1-4H3

InChI key

BJQHLKABXJIVAM-UHFFFAOYSA-N

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This Item
8003036735796832
Dioctyl phthalate &#8805;99.5%

Sigma-Aldrich

D201154

Dioctyl phthalate

Bis(2-ethylhexyl) phthalate Selectophore&#8482;

Supelco

80030

Bis(2-ethylhexyl) phthalate

Bis(2-ethylhexyl) phthalate PESTANAL&#174;, analytical standard

Supelco

36735

Bis(2-ethylhexyl) phthalate

form

oil

form

viscous liquid (clear)

form

-

form

liquid (Colorless)

refractive index

n25/D 1.483-1.487, n20/D 1.486 (lit.)

refractive index

-

refractive index

-

refractive index

n/D 1.5051

bp

384 °C (lit.)

bp

386 °C (lit.)

bp

386 °C (lit.)

bp

-

mp

−50 °C (lit.)

mp

-

mp

-

mp

-

density

0.985-0.987 g/mL at 20 °C, 0.985 g/mL at 25 °C (lit.)

density

0.985 g/mL at 20 °C (lit.)

density

0.985 g/mL at 20 °C (lit.)

density

1.0864 g/mL at 25 °C

Application

Dioctyl phthalate is a non-volatile solvent mainly used as a plasticizer for polymers such as polyvinyl chloride (PVC), polystyrene (PS) and polyisoprene (PI).

Pictograms

Health hazard

Signal Word

Danger

Hazard Statements

Hazard Classifications

Repr. 1B

Storage Class Code

6.1C - Combustible, acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects

WGK

WGK 1

Flash Point(F)

404.6 °F - closed cup

Flash Point(C)

207 °C - closed cup

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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Di-n-octyl phthalate analytical standard

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Di-n-octyl phthalate

Shear effects on solvated block copolymer lamellae: Polystyrene-polyisoprene in dioctyl phthalate.
Balsara NP
Physical Review Letters, 72(3), 360-360 (1994)
Dynamic mechanical behavior of the dioctyl phthalate plasticized polyvinyl chloride?epoxidized soya bean oil.
Semsarzadeh MA
European Polymer Journal, 38(2), 351-358 (2002)
Minjeong Kim et al.
Biomolecules & therapeutics, 26(5), 512-519 (2018-08-07)
Phthalates widely used in the manufacture of plastics have deeply penetrated into our everyday lives. Recently, a concern over the toxicity of phthalates on thyroid, has been raised but in most of cases, the doses employed were unrealistically high. To
Zhi-Ping Du et al.
Toxicology and applied pharmacology, 394, 114960-114960 (2020-03-24)
During pregnancy, fetal thyroid hormones (THs) are dependent on maternal placental transport and their physiological level is crucial for normal fetal neurodevelopment. Earlier research has shown that Di-(2-ethylhexyl) phthalate (DEHP) disrupts thyroid function and THs homeostasis in pregnant women and
D B Martinez-Arguelles et al.
The Journal of steroid biochemistry and molecular biology, 137, 5-17 (2013-01-22)
Di-(2-ethylhexyl) phthalate (DEHP) is a plasticizer with endocrine disrupting properties that is found ubiquitously in the environment as well as in human amniotic fluid, umbilical cord blood, human milk, semen, and saliva. It is used in the industry to add

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