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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:
117-81-7
Molecular Weight:
390.56
Beilstein:
1890696
EC Number:
204-211-0
MDL number:
MFCD00009493
PubChem Substance ID:
24893594
NACRES:
NA.22

vapor density

>16 (vs air)

Quality Level

200

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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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
GHS08

Signal Word

Danger

Hazard Statements

H360FD

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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Dynamic mechanical behavior of the dioctyl phthalate plasticized polyvinyl chloride?epoxidized soya bean oil.
Semsarzadeh MA
European Polymer Journal, 38(2), 351-358 (2002)
Shear effects on solvated block copolymer lamellae: Polystyrene-polyisoprene in dioctyl phthalate.
Balsara NP
Physical Review Letters, 72(3), 360-360 (1994)
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
Mohammad Mahdi Najafpour et al.
Dalton transactions (Cambridge, England : 2003), 43(34), 13122-13135 (2014-07-22)
Eighteen Mn complexes with N-donor and carboxylate ligands have been synthesized and characterized. Three Mn complexes among them are new and are reported for the first time. The reactions of oxygen evolution in the presence of oxone (2KHSO5·KHSO4·K2SO4) and cerium(iv)
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