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D201154

Sigma-Aldrich

Dioctyl phthalate

≥99.5%

Synonym(s):

Bis(2-ethylhexyl) phthalate, DEHP, DOP, Phthalic acid bis(2-ethylhexyl ester)

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About This Item

Linear Formula:
C6H4-1,2-[CO2CH2CH(C2H5)(CH2)3CH3]2
CAS Number:
Molecular Weight:
390.56
Beilstein:
1890696
EC Number:
MDL number:
UNSPSC Code:
12352100
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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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

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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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)
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
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
Antía Lestido-Cardama et al.
Foods (Basel, Switzerland), 9(8) (2020-08-06)
Food packaging has received special attention from the food safety standpoint since it could be a potential source of contamination through the migration of chemical substances from the packaging material into food. The assessment of the exposure through the diet

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